Transitioning Your Laboratory To The New ISO/IEC …...Transitioning Your Laboratory To The New...

Transitioning Your Laboratory To The New

ISO/IEC 17025: 2017 Standard PAGE 26

APRIL 2018NETWORKING / PEOPLE / COMMITTEES / LABORATORIES / REGIONAL EVENTS

NCSLI WORLDWIDE NEWS

Publisher NCSL InternationalEditor Linda Stone, NCSL InternationalContributing Editors Mark Kuster, Pantex MetrologyEditorial Committee Craig Gulka, NCSLI Executive DirectorTim Osborne, Trescal How to Reach Us:NCSL International5766 Central Avenue, Suite 150Boulder, CO 80301-5404 USAPhone 303-440-3339 • Fax 303-440-3384

© Copyright 2016, NCSL International. Permission to quote excerpts or to reprint any articles should be obtained from NCSL International. NCSLI, for its part, hereby grants permission to quote excerpts and reprint articles from this magazine with acknowledgment of the source. Individual teachers, students, researchers, and libraries in nonprofit institutions and acting for them are permitted to make hard copies of articles for teaching or research purposes. Copying of articles for sale by document delivery services or suppliers, or beyond the free copying allowed above is not permitted. Reproduction in a reprint collection, or for advertising or promotional purposes, or republication in any form requires permission from NCSL International.

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Publication ISSN #1940-2988Vol. 9, No. 1, January 2016

Metrologist is published byNCSL International and distributedto its member organizations.

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Vol. 8 No. 2 • June 2013

IN THIS ISSUE:The Circle Game: The use of theLunar Distance and Related Measurementsfor Celestial and Satellite-Based Navigationand Timekeeping

Two-Color One-Way FrequencyTransfer in a Metropolitan OpticalFiber Data Network

Experimental and Simulation Study fora Time Transfer Service via aCommercial Geostationary Satellite

A Survey of Time Transfer viaa Bidirectional Fiber Link for PreciseCalibration Services

measure®

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© Copyright 2018, NCSL International. Permission to quote excerpts or to reprint any articles should be obtained from NCSL International. NCSLI, for its part, hereby grants permission to quote excerpts and reprint articles from this magazine with acknowledgment of the source. Individual teachers, students, researchers, and libraries in nonprofit institutions and acting for them are permitted to make hard copies of articles for teaching or research purposes. Copying of articles for sale by document delivery services or suppliers, or beyond the free copying allowed above is not permitted. Reproduction in a reprint collection, or for advertising or promotional purposes, or republication in any form requires permission from NCSL International.

Publisher NCSL InternationalEditor Linda Stone, NCSL InternationalContributing Editors Mark Kuster, Pantex MetrologyEditorial Committee Craig Gulka, NCSLI Executive DirectorTim Osborne, American Association for Laboratory Accreditation (A2LA)

How to Reach Us:NCSL International5766 Central Avenue, Suite 150Boulder, CO 80301-5404 USAPhone 303-440-3339 • Fax 303-440-3384

Publication ISSN #1940-2988Vol. 11, No. 2, April 2018

Metrologist is published byNCSL International and distributedto its member organizations.

••• 48

60 Years of Innovation An Overview of Guildline Instruments

APRIL 2018

••• 46The Curta Calculator

••• 36

The National Research Council

of Canada Weighing In on

the Redefinition of the Kilogram

SPECIAL FEATURES

26 Transitioning Your Laboratory To The New ISO/IEC 17025: 2017 Standard

Helga A. Alexander and Dr. George Anastasopoulos, International Accreditation Service (IAS)

30 Toward a Measurement Information Infrastructure Tax Time

Mark Kuster, Pantex Metrology

46 The Curta Calculator Christopher L. Grachanen, Transcat

48 60 Years of Innovation An Overview of Guildline Instruments Richard Timmons and Tim Stark,

Guildline Instruments

DEPARTMENTS

2 From the President

4 Membership

8 NCSLI Workshop & Symposium 2018

24 Technical Exchange 2019

36 International News

58 Regional News

64 Ad Index

••• 38

Transportable Optical Clock

Used to Measure Gravitation for the

First Time

NCSLI.ORG METROLOGIST | APRIL 2018 1

IN THIS ISSUE •••

Measurements of Tomorrow Join us at the 2018 NCSLI Workshop & Symposium

Dr. James OlthoffDirector, Physical Measurement Laboratory, NISTNCSLI President [email protected]

When I started working at the National Institute of Standards and Technology (NIST), I had no real concept of the world of international metrology that existed beyond my laboratory. I never really thought about the National Measurement Institutes (NMIs) in other countries, or the complexity of maintaining a coherent and consistent measurement system around the world. It was only later in my career that I became aware of this exciting aspect of measurement that goes far beyond the everyday issues of traceability and uncertainties. It is a very exciting ele-ment of the metrology community.

NCSL International provides an excellent means to engage with the international metrology world. The NCSL International Board and the business office work hard to develop relationships with NMIs from other coun-tries, such as Canada and Mexico. We cooperate with the metrology regions of the world by presenting our

organization at the meetings of EURAMET (the regional metrology organization of Europe) and SIM (the regional metrology organization of the western hemisphere). In fact, NCSL International recently made it possible for 16 metrologists from South and Central America to attend the 2018 NCSLI Technical Exchange in Orlando, Florida this past February. We also strive to inform our mem-bers of important issues like the revision of international standards such as the ISO/IEC 17025 or the future redefi-nition of the kilogram.

One of the easiest ways for you as a member of NCSL International to peek into the world of interna-tional metrology is by attending the NCSLI Workshop & Symposium this August in Portland, Oregon. Like last year, we will have an awards ceremony Monday after-noon (August 27) before the opening exhibitor welcome reception, where you will have the unique opportunity to hear presentations by high level representatives from NMIs and metrology regions from around the world. It is an excellent way to hear about what is happening in faraway places that actually impact us where we live. This year’s Workshop & Symposium, with the theme “Measurements of Tomorrow,” promises to be one of the most exciting and valuable – because tomorrow is here! Visit www.ncsli.org for full conference registration details and I hope to see you all in Portland this August!

NCSLI Board Meeting, Baton Rouge, LA.

2 METROLOGIST | APRIL 2018 VOL. 11 NO. 2

••• FROM THE PRESIDENT

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Welcome New MembersMETAL CRAFT MANUFACTURING ENGINEERING13760 Business Center DriveElk River, MN 55330Contact: Steven Hill(763) 441-1855 [email protected]://www.metal-craft.com/

Since 1978, Metal Craft has specialized in providing exacting quality, unparalleled service, and innovation in machining. Established in Elk River, Minnesota, just north of the Twin Cities, our core values of quality, ser-vice, and innovation have lead us to become a recognized name among the leading suppliers in the Medical Device and Implant Manufacturing industries.

Metal Craft quality assurance includes: ISO 13485 as registered services and processes. We are also WBENC Certified, FDA Registered and ITAR Compliant offering State-of-the-art certified GTAW welding services which have been added in an effort to meet our customers growing demands.

Here at Metal Craft, our service to you is a lot like the parts we manufacture-precise, intelligent, and tailored to meet your expectations. From concept phase to comple-tion, our team of specialists work with you to understand your project’s parameters and meet your specific needs with an unparalleled level of quality. And while many of the all in-house capabilities we provide are complex, our promise to you is simple-when we work together, we’re dedicated to your success.

JERRY T. VAN AKEN, INDIVIDUAL CONTRACTOR634 S Hayes CtSpringfield, MO 65802Contact: Jerry T. Van Aken(417) [email protected]

BOEING INDIA PVT LTD.Block-A, 4th Floor, Lake View BuildingBagmane Tech Park, CV Raman NagarBangalore, Karnataka, 560093IndiaContact: Dilip Kumar [email protected]://www.boeing.co.in/boeing-in-india.page

More than 75 years ago, Tata Airlines operated a DC-3 aircraft in India. Since then, with the 707, 747, 757 Freighter, 777, 737 and the game-changing 787 Dreamliner, Boeing has been the mainstay of India’s commercial aviation sector with airlines such as Air India, Jet Airways and SpiceJet. Boeing’s relationship with India on the defense front goes back to the 1940s, when the Indian Air Force enlisted two Boeing aircraft—the T-6 Texan or Harvard Advanced Trainer made by North American Aviation and the C-47 Skytrain mili-tary transport, a military variant of the DC-3, made by McDonnell Douglas.

Presently, with 10 C-17 Globemaster strategic airlifters and eight P-8I maritime surveillance and anti-submarine aircraft delivered, Boeing is playing an important role in the mission-readiness and modernization of India’s defense forces. Headquartered in Delhi, Boeing’s India operations include an office and a Boeing Research & Technology Center in Bangalore, field service offices in Mumbai, Hindan, Rajali and New Delhi. Boeing subsidiary, Jeppesen—a provider of flight navigation solutions—is well established in Hyderabad. Another subsidiary, Continental Data Graphics (CDG) in Chennai, is also expanding its footprint in the country.

Boeing in India has around 500 employees and more than 3,500 people work on dedicated Boeing supply–chain jobs with its 30 suppliers across manufacturing, engineering and IT sectors. The company continues to increase its footprint as tier-1 and tier-2 suppliers and sourcing activities continue to grow rapidly.


••• MEMBERSHIP

INSTITUTE FOR DESIGN OF ELECTRICAL MEASURING INSTRUMENTSSwatantryaveer Tatya Tope Marg, Chunabhatti, Sion,Mumbai, Maharashtra 400 022IndiaContact: Mr. Pradipkumar Gujarathi+91-22-2405-0301 [email protected]

IDEMI is a Government of India organization under the Ministry of MSME (Micro Small & Medium Enterprises) established in 1968 with the assistance from UNIDO. IDEMI is a third-party certification body, rendering the services of calibration in the field of electro-tech-nical, thermal, mechanical and fluid flow measuring

instruments. IDEMI also provides testing services in the areas of EMI/EMC, Safety, Environment, and Type Test in the field of ESDM sector.

IDEMI calibration and testing laboratories are accredited by NABL (the National Accreditation Board for Testing and Calibration Laboratories) as per ISO/IEC 17025 since the beginning. IDEMI maintains CMC (Calibration Measurement Capability) by using primary standards which are directly traceable to the International System of Units (SI) through NPL, India; PTB, Germany; NIST, USA; NRCC, Canada etc. IDEMI serves specific calibration requirements for aviation, naval, space and defense sectors. This institute is also certified by SGS (UKAS) as per ISO 9001:2015.

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THE ENDRESS+HAUSER GROUPKägenstrasse 2CH-4153 ReinachSwitzerlandContact: Andreas Stürzinger+41 61 715 [email protected]://www.endress.com/en

Endress+Hauser is a global leader in measurement instrumentation, services and solutions for industrial process engineering. The Group employs 13,000 per-sonnel across the globe, generating net sales of more than 2.1 billion euros in 2016. With dedicated sales cen-ters and a strong network of partners, Endress+Hauser guarantees competent worldwide support. Our produc-tion centers in 12 countries meet customers’ needs and requirements quickly and effectively. The Group is man-aged and coordinated by a holding company in Reinach, Switzerland. As a successful family-owned business, Endress+Hauser is set for continued independence and self-reliance.

Endress+Hauser provides sensors, instruments, systems and services for level, flow, pressure and temperature measurement as well as analytics and data acquisi-tion. The company supports customers with automation engineering, logistics and IT services and solutions. Our products set standards in quality and technology. We work closely with the chemical, petrochemical, food & beverage, oil & gas, water & wastewater, power & energy, life science, primaries & metal, renewable energies, pulp & paper and shipbuilding industries. Endress+Hauser supports its customers in optimizing their processes in terms of reliability, safety, economic efficiency and envi-ronmental impact.

Founded in 1953 by Georg H. Endress and Ludwig Hauser, Endress+Hauser has been solely owned by the Endress family since 1975. The Group has developed from a specialist in level measurement to a provider of com-plete solutions for industrial measuring technology and automation, with constant expansion into new territories and markets.

NSAI NATIONAL METROLOGY LABORATORYGriffith Avenue Extension, GlasnevinDublin 11, D11 E527IrelandContact: Paul [email protected]://www.nsai.ie/

NSAI National Metrology Laboratory is the national metrology institute for Ireland holding a range of nation-al measurement standards and providing calibration, training and advisory services to industry and society. NSAI NML is also active in metrology-related R&D.

MAROTTA CONTROLS78 Boonton AveMontville, NJ 07045Contact: Abimael Torres(908) [email protected]://marotta.com/

With over 200 patents and nearly 75 years’ experience, Marotta Controls provides aerospace and defense sys-tem designers the solutions they need for controlling pressure, motion, fluid, electronics and power. Our offerings include precision valves, manifolds, power conversion, motor drives and control actuation systems for integration into weapon systems, shipboard and sub-sea systems, military aircraft, and government and commercial spacecraft.

••• MEMBERSHIP


STANDARD METER LAB, INC.236 Rickenbacker CircleLivermore, CA 94551-7642Contact: Diane Smith(925) [email protected]://sml-inc.com/

For over 40 years, we have provided comprehensive cal-ibration across the United States. As a family- owned business, we strive to maintain close relationships with all of our clients. Standard Meter Lab was founded in 1978 in a garage in Dublin, CA. Since then, we have grown from repair and sales of simple panel meters to providing comprehensive calibration in Electrical, High Voltage, Physical and Dimensional Force, Pressure, Torque, and Temperature Calibration. Our current ser-vice area now covers all 50 states as well as several different countries. We offer both on-site and in-house capabilities in calibration, repair, and upgrade of physi-cal testing equipment. Our client base ranges in private

and public sectors and covers a broad base of industrial, research & development environments, pharmaceutical, and food manufacturing.

Our technicians are professionals highly trained in calibration and repair of all testing instruments. We are independent service representatives for some of the major manufacturers. While many of our calibrations are performed in-house we also provide on-site calibrations. Our staff has received extensive on-site and manufactur-ers training to meet the needs of our clients. All training is meticulously documented. The principles of our firm actively maintain close adherence to the specifications specific to our scope of accreditation. Our personnel pro-vide quick, precise, and comprehensive service to our clients. Our goal is 100% customer satisfaction. Our staff is dedicated to providing quality calibration and service to each customer on a one to one basis. Our dedicated office personnel follow this with outstanding customer service with accurate and timely reports and documen-tation. Each instrument and customer is given extra attention to ensure the highest quality.

Biomedical IndustryFDA/ISO 13485 Measurement

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MEMBERSHIP •••

2018 NCSL INTERNATIONAL WORKSHOP & SYMPOSIUM Oregon Convention Center | Portland, Oregon | August 25-30, 2018 | ncsli.org

TOMORROWMEASUREMENTS

OF

9 1

92

63

1 7

70

Hz

299 792 458 m/s

1.602 176 634 x 10

-19 C

6.626 070 15 x 10 -34 J s

1.380 649 x 10 -23 J/K

6.02

2 1

40

76

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2015

2018 NCSL INTERNATIONAL

Workshop & Symposium

OREGON CONVENTION CENTERPORTLAND, OREGON

AUGUST 25-30

2015

The long-anticipated redefinition of the SI base units in 2018 will constitute a revolutionary and historic transformation in the world of metrology. But how will it affect the day-to-day work of stan-dards labs and their personnel?

Defining each base unit in terms of the fixed value of a physical constant not only removes the last artifact standard and provides a uniform con-ceptual basis for the entire system; it also makes scalable measurements readily achievable across orders of magnitude. But what changes will it require in the instruments and methodology we use, and the tests and evaluations we perform?

It is likely that, as a practical matter, the new definitions will result in no, or extremely mini-mal, discernible impact on the results we deliver to customers, with expected differences in a few calibrations limited to the range of parts per mil-lion – well below the level of significance to most

of industry and commerce. But how will the redefinition alter the ways in which we establish

traceability, ensure quality control, and train the next generation of lab professionals?

The 2018 NCSLI Annual Conference is the ideal forum to address these and related questions,

learn how your peers are planning to deal with the impending changes, and suggest new procedures

and techniques for success in the post-redefi-nition era.This year’s Workshop & Symposium, with the

theme “Measurements of Tomorrow,” promises to be one of the most exciting and valuable – because

tomorrow is here!

VISIT NCSLI.ORG FOR THE COMPLETE WORKSHOP & SYMPOSIUM PROGRAMNCSL INTERNATIONAL | 5766 Central Avenue, Suite 150 | Boulder, CO 80301 | (303) 440-3339 | [email protected]


TOMORROWMEASUREMENTS OF

HQ HotelRegistration

D O U B L E T R E E BY H I LTO N P O R T L A N D1000 NE Multnomah Street

Portland, Oregon, 97232, USATel: +1-503-281-6111

Fax: +1-503-284-8553NCSLI Group Rate $189Government Rate $182

Conference Dates: August 25-30, 2018

MONDAY, AUGUST 27 – THURSDAY, AUGUST 30CO N F E R E N C E R E G I ST R AT I O N

DOES NOT INCLUDE TUTORIAL PROGRAM

Regular Rate Ends June 30 Late Rate Begins July 1

Full ConferenceMember/Non-Member $1,235 / $1,445 $1,450 / $1,645

1-Day Member/Non-Member $420 / $475 $520 / $575

Extra Luncheon Ticket $50 $50

SATURDAY, AUGUST 25 – MONDAY, AUGUST 27T U TO R I A L P R O G R A M

ADDITIONAL PAID WORKSHOPS

Regular Rate Ends June 30 Late Rate Begins July 1

1/2-Day ClassMember/Non-Member $295 / $395 $325 / $425

1-Day ClassMember/Non-Member $495 / $595 $525 / $625

2-Day ClassMember/Non-Member $695 / $795 $725 / $825

Exhibitors

Sponsors


OREGON CONVENTION CENTER | PORTLAND, OREGON | AUGUST 25-30, 2018TUTORIAL PROGRAM AUGUST 25-27 | EXPOSITION HALL AUGUST 27–29 | TECHNICAL PROGRAM AUGUST 28–30

AccuMac CorporationADC CorporationAdditel CorporationA.K.O. Inc.Alpha Electronics CorporationAmerican Association for Laboratory Accreditation (A2LA)Ametek Sensors, Test & CalibrationAndeen-Hagerling, Inc.ANSI-ASQ National Accreditation BoardAssetSmartBionetics CorporationCal Lab Solutions, Inc.Data ProofDigitool Solutions, LLCEllab, Inc.Energy NorthwestEssco Calibration LaboratoryExelon PowerLabsExpress Calibration ServiceFluke CalibrationGEO CalibrationGuildline Instruments LimitedHIOKI E E Corporation

IndySoft CorporationInterface, Inc.International Accreditation Service (IAS)Isotech North AmericaJJ Calibrations, Inc.King Nutronics CorporationMahr, Inc.Masy BioServicesMeasurements InternationalMensor CorporationMeatest spol s r.oMettler-Toledo, LLCMicro Quality Calibration, Inc.Mitutoyo America CorporationMorehouse Instrument CompanyNational Physical Laboratory (NPL)National Research Council Canada (NRC)National Voluntary Laboratory Accreditation Program (NVLAP)NIST — Calibration Services Northrop Grumman Corporation Norway Labs, Inc.Ohm-Labs, Inc.On Time Support, Inc.

Pond Engineering Labs, Inc.Pratt & Whitney Measurement Systems, Inc.Precision Environments, Inc.Qualer Ralston InstrumentsRH SystemsRice Lake Weighing SystemSartorius CorporationSika USA Inc.Spektra Calibration SystemsTegam, Inc.Tektronix, Inc.The Boeing CompanyThe Modal Shop, Inc.Thunder Scientific CorporationTovey Engineering, Inc.Transmille CalibrationTrescal, Inc.Troemner, LLCVibration ResearchWestern Environmental CorporationWorkPlace TrainingZeiss Industrial Metrology



SATURDAY, AUGUST 25 | 8:00 AM - 5:00 PM | 1-DAYT-1: ISO/IEC 17025 ChangesTrevor Thompson, United Kingdom Accreditation Service (UKAS)

This course highlights the changes made to ISO/IEC 17025 and the underlying philosophy. It is presented by a member of the ISO/CASCO Working Group who has been working on the recently published new standard.

SATURDAY, AUGUST 25 | 8:00 AM - 5:00 PM | 1-DAYT-2: Decision Rules and Making Statements of Compliance with ConfidenceJeff Gust, Fluke Calibration

ISO/IEC 17025:2017 requires that when a statement of compliance is made for a customer, that decision rule for making the statement is defined, communicated, and agreed with the customer. When selecting a decision rule, the level of risk should also be considered. This class introduces the attendee to decision rules, and provides the underlying assumptions about risk, and discusses the pros and cons of many different decision rules.

SATURDAY, AUGUST 25 | 8:00 AM - 5:00 PM | 1-DAYT-3: Active Asset ManagementJames (Smitty) Smith, Boeing Test & Evaluation

This Active Asset Management (AAM) tutorial will focus on specific elements making up the four core sections of the Life Cycle loop: Technology Road Map, Acquisition, Active Use and the Technical Obsolescence decline of inventory & assets. Special attention is paid to mapping features which allow the AAM team to monitor and proactively balance their pools of assets to best support current and proposed workloads while minimizing excess, idle and costly assets. Checklists for execution of actions are incorporated to assist in standardized performance of core topics presented and to ease implementation. Detailed discussion on ownership costs verses acquisition costs are covered along with alternative acquisition to ensure the asset pool's technical level is maintained to support your business needs.

The tutorial is broken up into sections for business, quality and instrumentation service aspects so the multiple supporting skills may be incorporated into overall planning and success.

T U TO R I A L P R O G R A M

SATURDAY, AUGUST 25 | 8:00 AM - 5:00 PM | 1-DAYT-4: Running the Effective Laboratory Better: Data Driven Improvements that MatterJesse Morse, Morse Metrology and Dr. Malcolm Smith, National Research Council Canada (NRC)

Today's business and organizational climates have usurped traditional “seat-of-the-pants” calibration management by insisting on continuous improvement and the use of data based management decisions. Caught up in this new paradigm are independent calibration companies and calibration laboratories operating within and servicing their own organizations. This “How To” tutorial focuses on getting your calibration operation to maximum operational effectiveness, which will lead you directly to improvements in efficiencies. The tutorial covers five areas where performance measurement is critical in running an effective calibration operation. The five areas are: customer satisfaction, quality, service levels, productivity, and finance.

You will learn a range of necessary metrics and tools to help establish baselines and laboratory performance over time, which you can use to establish goals and monitor performance in each of the five mentioned areas. Suggestions on how you might use these tools in practice will be provided. Also, the tutorial includes examples of measurements you need for process improvement projects, along with examples of real life, practical experiences in implementing the many new ways of thinking associated with the paradigm. Anyone involved in or responsible for calibration management should take this tutorial.

Hands-on Training Offers Big BenefitsEven with the many advances in the training industry, traditional formats remain viable and effective. Classroom or Instructor-led training remains one of the most popular training techniques. It is a personal, face-to-face type of training as opposed to computer-based training and other methods

Training programs are more beneficial when they provide many opportunities for practicing a skill. Hands-on training means you get to use your hands to perform tasks. This training aims to make conditions as realistic as possible. The biggest benefit of hands-on training is the opportunity for repeated practice.

HANDS-ON TRAINING BY INDUSTRY EXPERTS

KeynotePRESENTATIONS

TUESDAY, WEDNESDAY & THURSDAY



TUTORIAL PROGRAM

SATURDAY, AUGUST 25 | 8:00 AM - 5:00 PM | 1-DAYT-5: Applying LEAN in a Calibration Lab EnvironmentDean S. Williams, Duke Energy

This hands-on, interactive tutorial provides the basic history and principles of LEAN and how those principles can be applied in a calibration laboratory. Interactive exercises and simulated “calibration labs” run by class participants enhance learning and knowledge retention. Insights and examples from calibration labs that have applied LEAN initiatives are provided to further reinforce the principles. These initiatives helped reduce waste and shorten calibration turn times while streamlining overall operations. Participants will be provided with handouts that document the information presented, contain useful exercises, and provides a list of helpful resources for future reference and study.

SATURDAY, AUGUST 25 | 8:00 AM - 5:00 PM | 1-DAYT-6: Traceability, Operations, and Good Measurement Practices for Balances in an Analytical EnvironmentMark Ruefenacht, Rice Lake Weighing Systems

This tutorial is designed for the beginner to advanced user of balances, calibration managers, quality managers, ISO/IEC 17025 assessors, and those wanting a better understanding of accurate weighing methods where analytical weighing is an integral part of operations.

SATURDAY, AUGUST 25 | 8:00 AM - 5:00 PM | 1-DAYT-7: The Road to Accreditation: Implementing ISO/IEC 17025:2017 and Accrediting Body Accreditation RequirementsRyan Fischer, ANSI-ASQ National Accreditation Board

Accreditation to the internationally recognized standard ISO/IEC 17025, “General requirements for the competence of testing and calibration laboratories,” is a primary means of determining the competency of testing and calibration laboratories. However, preparing for and going through the accreditation process can be very confusing and stressful. Knowing what to expect throughout the accreditation process can alleviate much of the stress and anxiety and make the entire process a positive, productive learning experience. This tutorial will focus on what one needs to know regarding the accreditation process including where to start and what to expect.

We will discuss the steps to accreditation including how to prepare for an assessment, and what happens both during and after an assessment. In addition, there will be an open discussion of the newly adopted ISO/IEC 17025:2017 requirements focusing on those requirements with major revisions or completely new to the document.

SATURDAY, AUGUST 25 | 8:00 AM - 5:00 PM | 1-DAYT-8: Microwave Network Analysis, Power Calibrations and Noise FigureBart Schrijver, Keysight Technologies

This tutorial will focus on an introduction to microwave measurement concepts and specifically on network analysis, RF power measurement and Noise Figure measurements. The measurement architecture of these types of measurements will be shown and described in detail. In addition, topics like signal flow diagrams, S-parameters, network analyzer calibration, calibration techniques, uncertainty analysis and traceability for network analysis, power measurements and noise figure measurements will be reviewed.

SATURDAY & SUNDAY, AUGUST 25 & 26 8:00 AM - 5:00 PM | 2-DAYT-9: Selection, Calibration, and Use of Contact ThermometersDawn Cross, National Institute of Standards and Technology (NIST)Karen Garrity, National Institute of Standards and Technology (NIST)

In this course, we will discuss contact thermometers commonly used in industry for applications that use platinum resistance thermometers, thermistors, thermocouples and digital thermometers. You will learn how to make and use an Ice Melting Point, calibrate a digital thermometer using a dry well block, and wiring thermocouples for measurements.

SATURDAY & SUNDAY, AUGUST 25 & 26 8:00 AM - 5:00 PM | 2-DAYT-10: The NIST Uncertainty Machine and the NIST Consensus BuilderAntonio Possolo, National Institute of Standards and Technology (NIST)

The NIST Uncertainty Machine (NUM) and the NIST Consensus Builder (NICOB) are web-based applications accessible worldwide via any internet browser. The NUM provides a user-friendly interface to uncertainty analysis for measurement models of the type described in the GUM (“Guide to the Expression of Uncertainty in Measurement”), using the GUM approach and also the Monte Carlo method of the GUM Supplement 1. The NICOB provides a user-friendly interface for the analysis and reduction of measurement results obtained in interlaboratory studies, including key comparisons: computation of consensus values, characterization of associated uncertainty, evaluations of reproducibility, and degrees of equivalence. This course will provide a hands-on familiarization with the NUM and with the NICOB, using concrete examples and real data from a wide range of fields of measurement science, and will also give the participants sufficient background and guidelines to empower them to make the particular choices needed to apply these tools thoughtfully and appropriately. The participants will have the opportunity to apply these tools also to their own data during the course, and to share their experiences while doing so. The participants are expected to have general familiarity with the basic notions and methods of uncertainty analysis as are explained in the GUM (or in NIST Technical Notes 1297 and 1900), but do not need to possess specialized knowledge of probabilistic or statistical methods.



SUNDAY, AUGUST 26 | 8:00 AM - 5:00 PM | 1-DAYT-11: Risk Based Thinking in MetrologyAndy Oldershaw, National Research Council Canada (NRC)

Risk based thinking has been a growing trend spreading to all aspects of the economy and society for many years. It will become more prominent for laboratories with the adoption of the upcoming ISO/IEC 17025 revision.

This module will help those involved planning, managing, implementing and reviewing any aspect of laboratory management systems to apply risk based thinking to determine what the emphasis on risk means to their laboratory.

Tools and techniques to identify, analyze, respond to, monitor and review risks will be introduced. Participants will have the opportunity to put them into practice during class room exercises.

SUNDAY, AUGUST 26 | 8:00 AM - 5:00 PM | 1-DAYT-12: Effective Calibration Interval AnalysisMark Kuster, Pantex Metrology

Don't know where to start with calibration interval analysis or where to go next? This tutorial lays the foundation for establishing a cost-effective, quality interval analysis system or improving an existing system. Via lecture and hands-on exercises, the course covers all the required program elements for a successful system and directs practitioners toward the most suitable methodology for their particular situation.

SUNDAY, AUGUST 26 | 8:00 AM - 5:00 PM | 1-DAYT-13: The Ins and Outs of Applying for and Maintaining ISO/IEC 17025 Accreditation: Challenges and tips for successRyan Fischer, ANSI-ASQ National Accreditation Board

This tutorial is designed to educate organizations (testing and calibration laboratories) about the challenges of applying for and maintaining ISO/IEC 17025 accreditation. During the first part of the tutorial, background information on the International Organization for Standardization (ISO), and the ISO/IEC 17025:2017 and ANAB accreditation requirements, and how to prepare and apply for accreditation will be presented. We will discuss the role of an accreditation body, the purpose and benefits of accreditation as well as key quality concepts of continuous improvement and effectiveness. In addition, information will be provided regarding the planning and activities to consider when preparing for formal application for accreditation.

During the second half of the tutorial, we will delve into several accreditation requirements including those requirements centered on risk-based thinking, proficiency testing planning and participation, traceability and advertising to learn how to read, interpret and implement the requirements in a testing or calibration laboratory. In addition, the most common nonconformances will be discussed.

We will wrap up the day by discussing challenges to gaining and maintaining accreditation and a provide a few tips for success. Participants new to the accreditation process as well as those familiar with mature quality management systems will be better prepared to assist their organizations with planning and preparing for an ANAB accreditation assessment.


SUNDAY, AUGUST 26 | 8:00 AM - 5:00 PM | 1-DAYT-14: The Book on Resistance and High Current MeasurementsMark Evans, Guildline Instruments

This 8 Hour hands-on course covering resistance measurements from 1 µΩ to 100 TΩ.

Session A (4 Hours) focuses on measuring low to mid-range resistances based on current and measuring high value resistances based on voltage; while session B covers very low resistance measurements using high currents. Session A (4 hours) will provide deep analysis into the variables that affect test setups, measurement results and uncertainties. Special attention will be paid to resistance design, impact of wiring, proper guarding and grounding; as well as well material contributions to uncertainty such as environmental, power and temperature coefficients, voltage coefficients, and individual drift of standards (with linear regression). Addressing these contributions in an uncertainty analysis will be provided.

Session B (4 hours) covers Precision DC high current measurements. Equipment to be used includes high current sources, different types of current shunts, and associated high current cabling. Participants will be able to use different setups with hands-on practice. Involvement in this workshop will provide understanding of best practices, associated measurement techniques, and tangible demonstrations of measurements using high current. Measurement parasites that affect high current measurements will also be covered as well as safety considerations. Design issues for high current standards will also be discussed. Measurement uncertainties will be reviewed and outlined in a real-world, practical uncertainty budget.

SUNDAY, AUGUST 26 | 8:00 AM - 5:00 PM | 1-DAYT-15: Pressure MetrologyMichael Bair, Fluke Calibration

This full day tutorial covers all the fundamental challenges of calibrating pressure instruments. The first half of the tutorial concentrates on the physics that have an effect on pressure measurement, including measurement modes, engineering units, the equation for a dead weight pressure gauge, the ideal gas law, surface tension and viscosity. The discussion includes practical considerations such as hardware selections, environmental concerns and data acquisition for all modes, fluids and ranges. The second half applies those concepts to hands on exercises with equipment supplied by the instructor. All participants will have the opportunity to take low pressure gas and high pressure oil calibrations. Error analysis and sources of uncertainties are discussed that are relevant to the hands on exercises.

SUNDAY, AUGUST 26 | 8:00 AM - 12:00 PM | 1/2-DAY AMT-16: Introduction to PhotonicsDr. Zeeshan Ahmed, National Institute of Standards and Technology (NIST)

We will present a brief introduction to photonics technology including fiber optics, silicon Nano-photonics and opto-mechanics and their relevance to sensing applications. We will focus on understanding the opportunities photonics present in metrology and avoiding pitfalls that can limit their usefulness



TUTORIAL PROGRAM

SUNDAY, AUGUST 26 | 8:00 AM - 5:00 PM | 1-DAYT-17: Realization and Dissemination of Mass in the New SIPatrick Abbott, National Institute of Standards and Technology (NIST)

This course will provide information on realization and dissemination of mass after the redefinition of the kilogram is adopted in 2019. Details will be presented on the motivation for redefining the unit of mass the and the experiments involved in tying the kilogram to an invariant of nature, the Planck constant. The effect of the redefinition on uncertainties of the NIST mass scale and customer calibrations will also be presented.

SUNDAY & MONDAY, AUGUST 26 & 27 | 8:00 AM - 5:00 PM | 2-DAYT-18: Evaluating Uncertainty and Risk: A Hands-On ApproachDr. Dennis Jackson, NSWC Corona Division

This is a 2-day, 16-hour class on Measurement Uncertainty and Risk. As participation in this class is a very hands-on experience, you will be required to bring a Windows laptop with Office 2010 or later. The objective of this class is to provide you with the skills to create defendable measurement uncertainty budgets using a provided uncertainty analysis tool. As part of the class, you will use this analysis tool to evaluate the uncertainty of test steps in an assigned calibration procedure.

MONDAY, AUGUST 27 | 8:00 AM - 5:00 PM | 1-DAY T-19: Calibration Management Software: How to Select and Implement for Your Regulated EnvironmentWalter Nowocin, Medtronic PLC

Two-part tutorial will engage you in understanding the key factors to consider in selecting and implementing a calibration management software solution for your laboratory, especially in a regulated environment. Based on practical lessons learned, it will guide you through the technical and business obstacles that everyone encounters. Each attendee will be given a CD and handouts of Business Software Requirements List, Vendor & Client Surveys, Test Script Template, GAMP 4 & 5 Information, and Vendor Comparison Excel Spreadsheet Template. Many of the topics can be applied to other software application decisions.

TEKTRONIX LAB TOURFRIDAY | AUGUST 31 | 9:00 AM –2:30 PM

MONDAY, AUGUST 27 | 8:00 AM - 5:00 PM | 1-DAY T-20: Evaluation of Measurement Uncertainty in Conformity Assessment of Measuring InstrumentsJim Salsbury PhD, Mitutoyo America Corporation

A revolution in measurement uncertainty has arrived - don't be left behind. New concepts and rules are significantly decreasing the measurement uncertainty reported in calibrations that involve conformity assessment of measuring instruments (verification testing or tolerance-type calibration). The attendees of this tutorial will learn about the uncertainty concepts in the international standard ISO 14253-5:2015 along with background, logic, and some extensions of the key concepts. This tutorial is not complex mathematically but goes deep into the understanding of calibration versus verification. This tutorial will utilize exercises and practical examples from the dimensional metrology field. All attendees should have a basic understanding of measurement uncertainty in accordance to ISO/IEC Guide 98-3 (GUM).

MONDAY, AUGUST 27 | 8:00 AM - 12:00 PM | 1/2-DAY AM T-21: Industrial Pressure Calibration and MeasurementsJon Sanders, Additel Corporation

This course will provide an introduction to basic pressure calibration and measurement. We will cover considerations when making pressure measurements and calibrations. Some of these considerations include a discussion on different pressure types such as gauge, absolute, compound, differential, negative gauge, and vacuum. We will also cover requirements for field calibration, uncertainties associated with field calibration, errors relating to temperature effects and different methods of calibration. In addition to pressure calibration and measurement theory, this course will also include a hands-on work shop where various methods of pressure calibration are tried and experienced.

MONDAY, AUGUST 27 | 8:00 AM - 12:00 PM | 1/2-DAY AM T-22: Vibration and Shock Sensor Theory and CalibrationPatrick Timmons, The Modal Shop

Vibration calibration class will dive into calibration theory, standards, and methodology for dynamic sensors as well as explanations of different sensor types and the operational theories behind them. Target audience is beginner to intermediate level.



MONDAY, AUGUST 27 | 8:00 AM - 12:00 PM | 1/2-DAY AM T-23: Force CalibrationHenry Zumbrun, Morehouse Instruments

Applied force calibration techniques will include live demonstrations using secondary standards to exhibit potential measurement errors made in everyday force measurement. The measurement errors demonstrated and discussed will include errors associated with improper alignment, use of different and/or incorrect adapter types, thread depth and thread loading as well as some load cell troubleshooting techniques. We will also cover the importance of calibrating force measurement devices in the manner they are being used to reduce measurement errors and lower uncertainty. Recommended skill level for the course is anyone who has experience with force equipment and wants to learn how they can minimize potential measurement errors. Using the material provided in the training, students will be able to put together an expanded uncertainty budget for force equipment used as secondary standards.

MONDAY, AUGUST 27 | 8:00 AM - 12:00 PM | 1/2-DAY AM T-24: Radiation Thermometry FundamentalsFrank Liebmann, Fluke Calibration

Radiation and infrared thermometry, this class teaches information on use and calibration of these instruments. The tutorial consists of both lectures and hands-on demonstrations. The lectures cover basics of radiation temperature measurement, uncertainty budgets, radiation thermometry standards, and infrared thermometry calibration.

The hands-on portion reinforces the topics coved in the lecture giving the user practical experience to include the calibration of an infrared thermometer. The tutorial is geared to those who are new to radiation thermometer metrology, those who need a refresher on the subject, and to those who would like to make better measurements.

MONDAY, AUGUST 27 | 8:00 AM - 12:00 PM | 1/2-DAY AM T-25: Fundamentals of Humidity MeasurementMichael Boetzkes, Metrology and Quality Consultant

The science behind humidity measurement will be covered including key terms, formulas and parameters. The effect of pressure and temperature on relative humidity will be explored using the psychrometric chart as a tool as well as available calculators. Selecting the appropriate measurement technology for various applications will be covered, looking at the key advantages, disadvantages and principles of operation of some of the more common measuring technologies. A closer look at instrument specifications will highlight the different components of the instrument specification and how they relate to the overall instrument performance which is can be significantly different than the accuracy specification.


MONDAY, AUGUST 27 | 8:00 AM - 12:00 PM | 1/2-DAY AM T-26: High Power Measurement and Wattmeter CalibrationAdam Fleder and Greg Tolentino, Tegam Inc.

This course will discuss issues that surround the measurement of RF power above 10W and how to establish traceability and develop error budgets in this environment. Attendees will learn how to measure RF power using flow calorimetry; how to trace power through AC power standards; and how to identify sources of error and create and error budget. Course will also discuss the construction of transfer standards and how to calibrate them.

MONDAY, AUGUST 27 | 1:00 PM - 5:00 PM | 1/2-DAY PM T-27: Understanding Pass/Fail Measurement Decision Risk and how to Comply with ISO/IEC 17025:2017Bob Stern, Keysight Technologies

The 2017 version of ISO/IEC 17025 will require laboratories to document how they determine Pass or Fail and the “level of risk” associated. This class will get you ready to have conversations with end customers and make the necessary changes to your measurement reports to comply with ISO/IEC 17025:2017. We will cover:• What is measurement decision risk?• Specific vs. global (average) risk; you’ll learn when to use each• Simple techniques for estimating per cent risk for decision rules in

common use today• Importance of considering both false accept and false reject risk• Flowchart to select appropriate decision rule to comply

with ISO/IEC 17025:2017• Class examples and exercises

MONDAY, AUGUST 27 | 1:00 PM - 5:00 PM | 1/2-DAY PM T-28: Good Weighing TechniquesTony Kowalski, Sartorius

This course breaks down how measurement uncertainty exhibits itself, across the capacity of an electronic balance. Material covered includes how to correctly assess and assign a weighing tolerance, before discussing the phenomena that affect the accuracy of weighing, to illustrate how easy it is to create poor weight data. Students will learn how to overcome these potential sources of error, and optimize a balance metrology regime.

This course focuses on:• Unraveling Weighing Terminology• Factors influencing Measurement Uncertainty • Determination of uncertainty• Operational range according to USP Chapter 41• Balance location and set up• Optimizing parameter settings to increase weighing accuracy• User testing• Personal weighing technique• The importance of Servicing Your Laboratory Balances• Increasing productivity from your High Precision Weighing Equipment• Using integrated software solutions in your daily tasks



TUTORIAL PROGRAM

MONDAY, AUGUST 27 | 1:00 PM - 5:00 PM | 1/2-DAY PM T-29: Fundamentals of Torque CalibrationHenry Zumbrun, Morehouse Instruments

This presentation is a review of the fundamentals of torque calibration. Topics include an overview of torque standards including ASTM-E2428 and BS7882, uncertainty of torque calibration standards, Type A and B uncertainty analysis, torque calibration equipment, calibration and testing of torque transducers, proper calibration techniques, error sources associated with torque calibration, and why proper torque measurement is more than just a traceable length and mass calibration. This segment will cover torque transducers as well as proper torque wrench use. There will be a “hands on” demonstration on how to properly use a torque wrench and the errors associated with improper handling. This segment is intended for those who are involved with torque calibration, those wanting to minimize the errors associated with improper use of torque equipment, and for those who have questions that need to be answered.

MONDAY, AUGUST 27 | 1:00 PM - 5:00 PM | 1/2-DAY PM T-30: Relative Humidity Generation for CalibrationMichael Boetzkes, Metrology and Quality Consultant

Building upon the Fundamentals of Humidity Measurement, this tutorial expands into the methods of generating stable relative humidity environments for calibration purposes. Some of the more common humidity generation methods will be covered in detail including saturated salts, divided flow generators and two pressure systems.

The operating principles for each generator type will be discussed. Uncertainty budgets will be created for each generation system allowing for better comparison of the capabilities of each. In all relative humidity calibration systems there are environmental impacts of parameters such as temperature on the calibration system can be the largest contributors to the uncertainty budget. The effects of these parameters on the overall uncertainty will be discussed as well as some practices that can be used to minimize these effects.

External references such as chilled mirrors are commonly used to reduce the overall uncertainty of the system or to simplify the traceability of the measurements. Examples of these configurations will be presented and the uncertainty budgets previously created will be updated to reflect the impact of the change of reference.

MONDAY, AUGUST 27 | 1:00 PM - 5:00 PM | 1/2-DAY PM T-31: Time and Frequency Measurements Using GPSMichael Lombardi, National Institute of Standards and Technology (NIST)

Global Positioning System (GPS) disciplined oscillators and clocks serve as standards of frequency and time in numerous calibration and metrology laboratories. These devices are inherently accurate sources of both frequency and time because they are adjusted via the GPS satellites to agree with the Coordinated Universal Time (UTC) time scale maintained by the United States Naval Observatory (USNO). Despite their excellent performance, it can be difficult to evaluate their uncertainty, and even more difficult for metrologists to prove their claims of uncertainty and traceability to skeptical laboratory assessors.

This tutorial is for metrologists and laboratory assessors who work with GPS disciplined oscillators (GPSDOs) or GPS disciplined clocks (GPSDCs). It describes the relationship between GPS time and Coordinated Universal Time (UTC), explains why GPS time is traceable to the International System (SI), and provides methods for evaluating the frequency and time uncertainty of signals produced by a GPSDO or GPSDC.

MONDAY, AUGUST 27 | 1:00 PM - 5:00 PM | 1/2-DAY PM T-32: Oscilloscope Calibration UncertaintiesRandy Van Wie and Ken Futornick, Tektronix, Inc.

This half-day tutorial presents techniques for analyzing and expressing uncertainties in calibration (verification of calibration) of oscilloscopes. Measurement methods and associated uncertainties for the commonly measured oscilloscope characteristics (gain, timing and bandwidth) will be described. A variety of real-time oscilloscope types will be discussed, including analog and digital, 50 ohm and 1 megohm input, and ranging from low-end to state-of-the-art. Expanded uncertainties will be developed according to ISO “GUM” (Guide to the Expression of Uncertainty in Measurement) guidelines.

MONDAY, AUGUST 27 | 1:00 PM - 5:00 PM | 1/2-DAY PM T-33: Theory and Operation of Dry-Block Temperature CalibratorsJim Pronge, Ametek

This course will describe the construction, evolution, and practical use of dry-block temperature calibrators. This will include the basic design, the added features that are bringing later generations closer to the precision of calibration baths, and how they should be used as well as common misuses.

Wildhack Award

Education and Training Award

Best Paper Awards

Editor's Choice Award

Scholarship AwardsAWARDPRESENTATIONS



TECHNICAL PROGRAMVISIT NCSLI.ORG FOR THE COMPLETE WORKSHOP & SYMPOSIUM PROGRAM

ORAL PRESENTATIONS Choose from a full program of oral presentations by experts in a variety of fields.

POSTER PRESENTATIONS View and discuss poster presentations with their authors.

LEARNING LABS Learning labs are designed to promote conceptual understanding and deeper engagement in problem solving for small groups. Each learning lab will consist of a 60-minute session, where attendees will engage through discussion and activities surrounding the topic.


TECHNICAL PROGRAM

Automating the Audit ProcessGuy Robinson, Tektronix Inc.

The MetCert Certification Scheme for Calibration TechniciansSteve Sidney, National Laboratory Association - South Africa

Disaster Recovery: Managing the Recovery From the 2017 Northern California WildfiresMichael Dobbert, Keysight Technologies

Inter Laboratory Comparison of High Resistance Standard in JapanDr. Nobu-Hisa Kaneko, Metrology Institute of Japan (NMIJ)/AIST

Use of Current Transformers in Calibrations of Rogowski Coils at High Pulsed CurrentsBranislav Djokic, National Research Council Canada (NRC)

Steps Towards Value Creation via Intellectual Property in a National Metrology InstituteDr. Salvador Echeverria-Villagomez, Centro Nacional de Metrología, (CENAM)

Using Earned Value Management to Monitor Laboratory PerformanceKevin Abercrombie, Naval Air Warfare Center

Transitioning to the New SI through Quantum Based MeasurementsDr. Gregory Strouse, National Institute of Standards and Technology (NIST)

High Accuracy Roundness Measurements at NRCCatherine Aldous, National Research Council Canada (NRC)

Early Career Professionals and Technical TrainingJustin Gilbert, Daikin Applied

A Detailed Metrology Training Plan Including Competency: Based CredentialingDr. Joseph Fuehne, Purdue University

Tests for Optimizing the Performance of a Video Based Coordinate Measuring MachineWei Ren, National Institute of Standards and Technology (NIST)

The New American Standard for Digital, Dial, and Vernier CalipersJim Salsbury PhD, Mitutoyo America Corporation

Risk Based Thinking in the Calibration Laboratory: Practical ExamplesHelga Alexander, International Accreditation Service, Inc. (IAS)

Risk Based Thinking: A Paradigm Shift in Laboratory Management or Business as UsualIsabelle Amen, National Research Council Canada (NRC)

Mass Calibration at NIST After the IPKPatrick Abbott, National Institute of Standards and Technology (NIST)

The Future of the Mass Artifact in the New SIEdward Mulhern, National Institute of Standards and Technology (NIST)

Primary Metrology After Redefinition of the SIDr. Richard Green, Measurement Science and Standards Research Centre, National Research Council Canada (NRC)

NIST Report of Weather Station Liquid-in-Glass Thermometer MetrologyWilliam Miller, National Institute of Standards and Technology (NIST)

A Measurement Method for Chromaticity and Photometric Quantity of Laser DisplaysKeisuke Hieda, HIOKI E.E. Corporation

Development of the NRC Primary Spectral Irradiance FacilityÉric Côté, National Research Council Canada (NRC)

Uncertainty Evaluation of the Predicted Value in Regression Analysis Based on Repeated ObservationsChen-Yun Hung, Center for Measurement Standards/Industrial Technology Research Institute

Speeding up Monte Carlo Computations by Parallel Processing Using GPU for Uncertainty Evaluation in Accordance with GUM Supplement 2CM Tsui, Standards and Calibration Laboratory

Practical Correlation in Repetitive MeasurementsDr. Dennis Dubro, Self Employed

TECHNICAL PROGRAM PRESENTATIONS INCLUDE:



TECHNICAL PROGRAM


Electric Utility Outage MetricsPanelists: Tamaso Giannelli, Southern California Edison

Towards Making NIST Quality Measurements of Radiation and Radioactivity Using Commercial Analytical InstrumentsRyan Fitzgerald, National Institute of Standards and Technology (NIST)

The Reach and Impact of the Remote Frequency and Time Calibration Program at NISTMichael Lombardi, National Institute of Standards and Technology (NIST)

The Value of Subjective Information: An Empirical AssessmentSteven Dwyer, Corona Division NSWC

Calculating Interval Uncertainties for Calibration Standards That Drift with TimeDr. Elizabeth Auden, Sandia National Laboratories

Independent Review and Approval: Can it be Achieved in a Small Laboratory?Dr. Titilayo Shodiya, National Voluntary Lab Accreditation Program (NVLAP)

Effective Management ReviewJennifer Fleenor, Tektronix Inc.

Methodology for Measuring the Impact of Metrology in the Manufacturing Industry: Case Study of an Automotive Original Equipment ManufacturerEfren Busquets, BSP Consulting

Role of CENAM Providing Certainty for Seismic MeasurementsDr. Salvador Echeverria-Villagomez, Centro Nacional de Metrología (CENAM)

Fundamentals of Dynamic Force MetrologyNicholas Vlajic, National Institute of Standards and Technology (NIST)

Uncertainty Propagation for Force Calibration SystemsHenry Zumbrun, Morehouse Instrument Company

Computer Aided Verification of Voltage Dips and Short Interruptions Generators for Electromagnetic Compatibility Immunity Test in Accordance with ISO/IEC 61000-4-11: 2004-03Hau Wah Lai, Standards and Calibration Laboratory

The Intelligent Automated RF Measurement System (Microsoft Word-Excel Macro)Dr. Nghiem Nguyen, Raytheon Space and Airbone Systems


TECHNICAL PROGRAM


Redefinition of the Pascal through NIST’s Variable Length Optical Cavity and the Quantum SIJacob Ricker, National Institute of Standards and Technology (NIST)

Quantum-Based Pascal for Pressure RealizationJay Hendricks, National Institute of Standards and Technology (NIST)

A Proposal for a Standard Calibration Data FormatMichael Johnston, Fluke Calibration

Taxonomies for a Metrology Information InfrastructureMark Kuster, Pantex Metrology

The Periodic-ish Table of MetrologyHoward Zion, Transcat, Inc.

The SI Revisited by UniversitiesDr. Salvador Echeverria-Villagomez, Centro Nacional de Metrología (CENAM)

Fundamental Problem in Thread Gaging and Thread Gage MeasurementTravis Fletcher, JJ Calibrations, Inc.

Low-cost Laboratory Environment Monitoring and Alert SystemMichael Braine, National Institute of Standards and Technology (NIST)

Micro-scale Calibration for Universal Length Measuring MachinesDr. Meghan Shilling, National Institute of Standards and Technology (NIST)

The Ultra High Accuracy NIST Moore M48 Coordinate Measuring Machines: Unique Challenges of Extreme PerformanceJohn Stoup, National Institute of Standards and Technology (NIST)

Oxidization, Contamination, and Automation for High Temperature Verification of ThermocouplesMike Imholte, Boston Scientific

Thermocouple Testing Methods, Data Analysis and Reporting Calibration Results with Emphasis on Noble Metal TypesTom Kolat, Fluke Calibration

Evaluation of the New NIST Tungsten—Rhenium Thermocouple Calibration SystemKaren Garrity, National Institute of Standards and Technology (NIST)

SPC Detection Rules (Zone Tests) Applied to Calibration Adjustment DecisionsPaul Reese, Baxter Healthcare Corporation

Realization of Traceable Metrology Through InstrumentsJennifer Clarke, National Physical Laboratory (NPL)

The BIPM Facility for Measurement of CO2 Amount FractionChristopher Meyer, National Institute of Standards and Technology (NIST)

Prototype of a Compact Detachable Zener Module for DC Voltage StandardDr. Nobu-Hisa Kaneko, National Metrology Institute of Japan (NMIJ)/AIST

DC Voltage Divider Technology: Past, Present and Next GenerationRichard Timmons, Guildline Instruments

Dynamic Calibration of Pressure TransducersMichael Mende, SPEKTRA GmbH

Development of a Fiber Optic Calibration Grade Pressure TransducerNicholas Burgwin, Fibos Inc.

Impartiality and Association: Mutually Exclusive or Can They Coexist?Andrew Oldershaw, National Research Council Canada (NRC)

A NIST Testbed for Examining the Accuracy of Smart Meters under Nonlinear Waveform LoadsRichard Steiner, National Institute of Standards and Technology (NIST)

Metrology to Parts Quality Inspection: Integrating Metrological Practices into Parts Dedication TestingCory Peters, Exelon PowerLabs

Mobile Calibration of Scales in MissionRalf Weib, Center for Information Technology and Electronics

Matrix Calibration BasicsBrock Palmer, Interface, Inc.

Sensor Calibration: The Calibration Process, Self-Calibration Benefits, and Common Errors to EliminateJohn Holler, Vibration Research

Initial Investigations on Establishing New Types of LS2P Microphones as Reference StandardsMichael Mende, SPEKTRA GmbH

Automatic Flowmeter and Dynamic Expansion System for UHV/XHV StudiesJulia Scherschligt, National Institute of Standards and Technology (NIST)


TECHNICAL PROGRAM


NIST/CEESI Liquid Nitrogen FacilityThomas Kegel, Colorado Engineering Experiment Station, Inc. (CEESI)

Asset Utilization: Methods to Maximize Your Asset BudgetZoe Cline, Fluke Calibration

Development of In-Motion Weight Sensor ArraySoo Jeon, University of Waterloo

Development of a Hydrostatic Weighing System for Didactic ActivitiesJulio Jimenez, UPSRJ

Benefits of Automation in Weight CalibrationMark Kliebenschaedel, Mettler Toledo GmbH

How to Put Out a Fire in a Liquid Salt Bath: Dealing with the Temperature Problems with Lithium BatteriesMyles Gordon, Exelon PowerLabs

Accurate Temperature Representation of Stored Goods Using an Algorithm as a Replacement to a Physical BufferMichael Rusnack, AmericanPharma Technologies

Analysis of Different Assigned Value Determination Methods on Gauge Block Calibration Proficiency TestingChen-Yun Hung, Center for Measurement Standards/Industrial Technology Research Institute

ISO/IEC 17025:2017: Design of the New Calibration CertificateGerhard Mihm, Technical Center for Information Technology 81

The Design and Implementation of a Managed ISO/IEC 17025 Quality SystemMichael Bailey, Transmille Ltd

Arbitrary Power Waveforms Measurement for Electrosurgical Unit AnalyzersDr. Steven Yang, Standards and Calibration Laboratory

Metrology after MercuryDawn Cross, National Institute of Standards and Technology (NIST)

True Logistical Control: Leveraging a Cost Savings Shared Inventory System to Logistical Control of DronesCory Peters, Exelon PowerLabs

Proposal of a Table of Content of Training in Metrology with the Objective of an International HomologationJulio Jimenez, UPSRJ

Automation Design of Multiple Intelligent Integration SystemDr. Nghiem Nguyen, Raytheon Space and Airborne System

Uncertainty Analysis for AC-DC Difference Measurements with the AC Josephson Voltage StandardJason Underwood, PhD. Quantum Measurement Division, National Institute of Standards and Technology (NIST)

Metrological Parameterization of a High Temperature Oven using LabView at INM ColombiaWilmar Andres Montano Rodriguez, Instituto Nacional de Metrologia de Colombia


Conference ScheduleTUTORIAL PROGRAMSATURDAY, SUNDAY, MONDAY | AUGUST 25, 26, 27Tutorials: 8:00 AM – 5:00 PM

CONFERENCE OPENMONDAY | AUGUST 27Exhibitor Move-in | 8:00 AM – 4:00 PM

Conference Welcome Reception | 6:00 PM – 8:00 PM

Awards Reception | 3:30 PM – 5:30 PM

Committee Meetings

TUESDAY | AUGUST 28Exposition Hall Hours | 7:30 AM – 5:30 PM

Continental Breakfast in Expo Hall | 7:30 AM – 8:30 AM

Tuesday Keynote Presentation & Wildhack Award | 8:30 AM – 10:00 AM

Technical Program | 10:30 AM – 4:00 PM

Learning Labs | 10:30 AM – 12:00 PM

Luncheon Buffet in Expo Hall | 11:30 AM – 1:00 PM

Poster Presentations in Expo Hall | 12:15 PM – 1:00 PM

Metrology Mixer in Expo Hall | 4:00 PM – 5:30 PM

Committee Meetings

WEDNESDAY | AUGUST 29Exposition Hall Hours | 7:30 AM – 5:30 PM

Continental Breakfast in Expo Hall | 7:30 AM – 8:30 AM

Wednesday Keynote Presentation | 8:30 AM – 10:00 AM


Learning Labs | 10:30 AM – 12:00 PM

Luncheon Buffet in Expo Hall | 11:30 AM – 1:00 PM

Poster Presentations in Expo Hall | 12:15 PM – 1:00 PM

Metrology Mixer & Sponsor Raffle in Expo Hall | 4:00 PM – 5:30 PM

Committee Meetings

THURSDAY | AUGUST 30Thursday Keynote Breakfast | 7:30 AM – 8:30 AM

Closing Keynote, Business Meeting, Overall Best Paper Award | 8:30 AM – 10:00 AM


(Lunch is not included—onsite choices are available)

Committee Meetings

FRIDAY | AUGUST 31Tektronix Lab Tour | 9:00 AM – 2:30 PM


NCSL INTERNATIONAL | 303-440-3339 | NCSLI.ORG5766 CENTRAL AVENUE, SUITE 150 | BOULDER, COLORADO 80301

PRICING AND REGISTRATIONTraining Member Non-Member

1/2-Day Course (4 hours) $180 $205

1-Day Course (8 hours) $360 $410

2-Day Course (16 hours) $720 $820

Registration Includes:• Monday Evening Reception, Materials Bag, Continental Breakfast, Lunch

and Expert Measurement Training for that day!Discounts:• 10% discount when registering 3 or more attendees from your company.

Must call the NCSLI Business office at 303-440-3339 to register and receive discount.

• Non-Members: Join NCSL International and receive member pricing on your Technical Exchange registration.

Join Us for Three Days of Measurement Training Conducted by Experts in the Field of Metrology!

FEBRUARY 25–27, 2019

The NCSLI Technical Exchange will build and enhance specific hands-on skills in the calibration of measurement and test equipment. This three-day training will also teach best practices along with introducing new and innovative calibration hardware, software and calibration services. Each training session is taught by measurement science experts from throughout the industry.

Visit NCSLI.ORG for more information.

Conference Location: The Florida Hotel & Conference Center1500 Sand Lake Road, Orlando, FL 32809 | 1-800-588-4656

www.mintl.com • [email protected]

Accredited Calibration Services

• Traceability to NRC, NIST, NPL UK, and METAS

• Industry’s best uncertainties

• Fast turnaround

• Accredited since 2004 (Uninterrupted)

MI’s cal lab provides measurement uncertainties unmatched by any other commercial calibration lab.

Contact us at [email protected] with yourinquiry.

Helga A. Alexander and Dr. George AnastasopoulosInternational Accreditation Service (IAS)

The ISO/IEC 17025 standard, General requirements for the competence of testing and calibration labo-ratories, was first issued in 1999 by the International Organization for Standardization (ISO) and the International Electro-technical Commission (IEC). It is the single most important standard for calibration and testing laboratories around the world, with more than 50,000 laboratories accredited world-wide. Since its inception, the standard has been revised twice, in 2005 and most recently in November 2017. This third revision of the standard contains some significant changes, for which laboratories and accreditation bodies alike have to get prepared.

There is a 3-year transition period during which time laboratories can be accredited to either the 2005 ver-sion or the 2017 version of the standard. While each Accreditation Body may determine their own policy on how to handle their laboratories’ transition to the new revision of the standard, they all face the same dead-line. By December 1, 2020, all accredited laboratories, regardless of which Accreditation Body granted their accreditation, must have completed the transition to the new ISO/IEC 17025:2017.

This article aims to inform the reader of the transition policy of the International Accreditation Service (IAS), a nonprofit, public-benefit corporation that has been providing accreditation services since 1975. A signifi-cant part of IAS is dedicated to the accreditation of laboratories to the ISO/IEC 17025 standard, through a rigorous process that includes direct observation by qualified assessors of technical expertise. IAS also pro-vides accreditation to several other international and

Transitioning Your Laboratory

To The New ISO/IEC 17025: 2017

Standard


••• SPECIAL FEATURE

February 1, 2018 IAS starts accepting

applications for assessments to

ISO/IEC 17025:17

November 30, 2018End of assessments to

ISO/IEC 17025:05

August 31, 2020Last date for

assessment visit toconform to

ISO/IEC 17025:17

December 1, 2018 to August 31, 2020:

IAS assessments to the 2017 standard only

February 1, 2018, to November 30, 2018:

IAS assessments to the 2005 OR the

2017 standard

November 30, 2017ISO/IEC 17025:17Publication date

December 1, 2020All IAS accredited labs

conforming to ISO/IEC 17025:17

TOTAL TRANSITION PERIOD: 3 YEARS

February 1, 2018: IAS started accepting renewal or new applications to ISO/IEC 17025:2017

February 1, 2018 to November 30, 2018:IAS performs assessments to ISO/IEC 17025:2017 or ISO/IEC 17025:2005, depending on the laboratory’s needs and preferences

December 1, 2018:IAS starts assessing to the new standard: ISO/IEC 17025:2017

August 31, 2020:Last date for a laboratory accredited to ISO/IEC 17025:2005 to receive an IAS assessment audit for ISO/IEC 17025:2017 without a potential lapse of accreditation status

The diagram below aims to further illustrate this timeline.

national standards, including ISO 15189, ISO/IEC 17020, ISO/IEC 17065, and many others. IAS is a subsidiary of the International Code Council (ICC), a professional member-ship association that develops the construction codes and standards used by most municipalities within the United States. IAS accredits a wide range of companies and organizations including governmental entities, com-mercial businesses, and professional associations. IAS accreditation programs are based on recognized national and international standards that ensure domestic and/or global acceptance of its accreditations. As one of the leading accreditation bodies in the United States, IAS is a signatory to the four primary international organiza-tions (IAF, ILAC, PAC, APLAC) that form a unified system for evaluating and recognizing competent accreditation bodies worldwide.

In order to ensure a successful transition of all laborato-ries currently accredited by IAS to ISO/IEC 17025:2005, as well as to ensure accommodation of the growing demand for ISO/IEC 17025 accreditation from laboratories world-wide who are new to ISO/IEC 17025, IAS developed the following transition timeline:


SPECIAL FEATURE •••

In addition to developing a transition timeline and training its assessor corps on the new standard, IAS is offering ISO/IEC 17025:2017 training events and mate-rials to help laboratories better understand the new standard’s requirements. Details of the IAS training pro-gram can be obtained at the IAS website at https://www.iasonline.org/training/ or by contacting the authors.

In order to ensure a successful transition, laboratory managers should take the following steps:> Purchase the new ISO/IEC 17025:2017 standard (avail-able from various sources, including the NCSLI website and at ICC (http://shop.iccsafe.org/standards.html)

> Read the standard and learn how to interpret and implement the new requirements;

> Take advantage of training opportunities offered by IAS (for more details, see https://www.iasonline.org/training/)

> Decide on your overall timeline for transitioning your lab, taking into consideration when your next re-assess-ment is due, and/or discuss your organization’s needs with your accreditation body.

> Train your lab personnel who will be responsible for the transition and implementation;

> Conduct a gap analysis between the existing quality system and the requirements in the revised standard;

> Update your management system documentation. This includes updates to existing policies and procedures as required, plus the removal/modification/addition of poli-cies and procedures. Hint: Grab the opportunity that the new standard is providing to reduce management system documentation;

> Create a training plan and a communication plan for all laboratory personnel;

Implement the new and revised management system.

> Consider attending a metrology conference to listen to presentations on ISO/IEC 17025:2017, question the experts and discuss the new requirements with your colleagues from other laboratories.

By careful preparation and timely action, all laborato-ries can not only ensure a successful transition to the new ISO/IEC 17025:2017 prior to December 2020, but can also use the transition to improve their laboratory man-agement system and processes.



About the authors:Helga A. Alexander ([email protected]), IAS Calibration Program Manager, is in charge of the cali-bration accreditation program at IAS. Ms. Alexander has extensive experience as a calibration laboratory manag-er, ISO/IEC 17025 assessor and ISO 9001 quality system manager and auditor. Ms. Alexander holds a B.S. and M.S. degree in Physics.

Dr. George Anastasopoulos ([email protected]), IAS Director of Conformity Assessment, is a Mechanical Engineer with an MSc and a PhD in Applied Mechanics from Northwestern University, IL. As a member of ISO/TC176 and ISO/CASCO technical com-mittees he has contributed to the development of the ISO 9001:2015 and new ISO/IEC 17025:2017 standards. Dr. Anastasopoulos, recipient of the 2015 EOQ Presidential Georges Borel Award, participated in numerous con-sulting, research, training and assessment projects sponsored by government and industry in USA, European Union and many other countries worldwide.

CPC6050Modular Pressure Controller



Welcome back, everyone. United States readers, take a break from your income tax forms; elsewhere in the world, count your blessings. We’ve another MII chapter for you, starting with an update from the

Measurement Science Conference.

MII at the MSCThe NCSLI 141 MII & Automation Committee met at MSC in Anaheim this March. The meeting covered current business—tweaking the com-mittee charter to focus more on deliverable products, and deliberating taxonomy development strategies. The committee also discussed basic MII applications such as validating reported measurement uncertainties on certificates against accreditation scope CMCs1 and exchanging calibra-tion data.

Toward a MeasurementInformation InfrastructureTax Time

Mark KusterPantex [email protected]



On the latter subject, Michael Johnston of Fluke Corporation presented an MII-related MSC Session called “Tracking Calibration Metadata.” Michael had attended the MSC 2017 MII Session and decided to tackle a stan-dard calibration data format. After studying the MII work to date, he and his colleague Andrew Chapman expanded on VDI/VDE-2623, “Format for Data Exchange in Management of Measuring and Test Equipment – Definition of Calibration Data Exchange-Format (CDE-Format).” This German document, recognized throughout Europe, defines an XML2 calibration data structure.

Michael’s work, however, encodes calibration data in the ubiquitous EMI3 protocol—cell phones exchange EMI text messages by the billions—with the option to trans-late to XML. Michael’s structure adds numerous data fields for ISO/IEC 17025 compliance that VDI/VDE-2623 omits. We applaud Michael for his efforts and welcome him to the MII committee and working groups.

The MII working group also presented a session at this year’s MSC focusing on the taxonomy issue. Michael Schwartz of Cal Lab Solutions reported on a meeting to involve the Turkish AB4 TÜRKAK and illustrated ontol-ogy-taxonomy structures into which we may place the trees of standard quantity names and measurand qualifier terms that we seek. Colin Walker of Qualer summarized analysis of measurement units and quan-tity names from a database of 250,000 real CMCs and demonstrated Qualer Search (https://youtu.be/-xlLjR0L-gLQ), which exemplifies the power an MII will enable.

Other MII sessions delved into the Internet of Things, Big Data, intelligent sensors, and other information tech-nologies that have begun to confront the metrology world. The economics of calibrating sensors by the mil-lions will drive MII-like technology before we know it.

MII in the CMCsBack to taxonomy: Table 1 shows a CMC database syn-

opsis à la Colin’s presentation. As you see, it takes less than 20 quantities to cover over 95 % of the CMCs on U.S. AB-issued SoAs5. Building the required taxonomy top down via such a list would put most SoAs in the develop-ment avenue’s fast-lane to an MII’s search, computation, and processing value stream.

Quantity Occurrence

voltage 23.7 %

current 14.6 %

temperature 13.3 %

impedance, resistance 7.3 %

length 7.1 %

mass 5.9 %

frequency 5.4 %

capacitance 3.8 %

power 3.2 %

ratios 2.5 %

hardness 2.1 %

pressure 1.6 %

force 1.0 %

torque 1.0 %

volume 0.9 %

time interval 0.8 %

inductance 0.7 %

relative humidity 0.4 %

Total 95.4 %

Table 1. Quantities’ relative occurrence in the CMC database.

[ 1 ] Calibration and measurement capabilities[ 2 ] eXtensible markup language[ 3 ] External machine interface[ 4 ] Accreditation body[ 5 ] Statement of accreditation



MII and the SIThe MII will uniquely and unambiguously encode Table 1’s informal quantity names in machine-readable MII documents. You may liken those quantity codes to the airport codes you see on a flight-booking tool (like “PDX” for Portland International Airport) though MII document users would likely never encounter the internal codes. For normal consumption, each code will have one or more associated conventional forms for rendering on software interfaces and human-readable documents.

If we look at the SI7 Brochure (www.bipm.org) or deriv-ative documents such as NIST SP 811, “Guide for the Use of the International System of Units (SI),” and NIST

Quantity Function Qualifier 1

Qualifier 2

Qualifier 3

Influence Quantities

voltage source DC - - -

AC Sine RMSfrequency setting load impedance

AC Square peakfrequency setting load impedance

measure DC - - -

AC Sine RMSfrequency setting load impedance

AC Square peakfrequency setting load impedance

Table 2. An example partial voltage taxonomy.

So for example, loosely following some of Mike’s examples, Table 2 shows how a voltage

taxonomy might commence. As you may imagine, the qualifiers, influence quantities, input quantities,

and other descriptors will multiply quickly beyond those shown in order to encompass all the measurement techniques we may encounter on SoAs, not to men-tion instrument specifications and certificates. Think RMS6 vs. peak vs. peak-to-peak; waveform variations; instrument modes and settings; connector types; etc. Also, some techniques require specifying certain influ-ence quantities while the same quantities may remain optional for other measurements. Table 2’s blank spaces imply how the taxonomy also lends itself to a tree-like hierarchy (not shown).

SP 330, “THE INTERNATIONAL SYSTEM OF UNITS (SI),” we quickly find the formal (English) quantity names that should appear on documents so that everyone understands each name’s meaning. Reviewing the base quantities, we immediately cover time, length, mass, electric current, thermodynamic temperature, amount of substance, and luminous intensity, of which the lat-ter two don’t play a top-20 role. Note also that we now have the more precise terms “electric current” and “thermodynamic temperature” to replace Table 1’s, infor-mal “current” and “temperature” terms, respectively. As mentioned in the previous article, “thermodynamic temperature” and “temperature interval” represent two different quantities and require different implementa-tions in an unambiguous framework.

Moving on to derived quanti-ties, the SI Brochure validates Table 1’s remaining informal names except that it substi-tutes “electric resistance” for “resistance,” mentions “torque” only in the text, and does not explicitly address hardness or relative humidity. For rela-tive humidity we turn to ISO 80000-5, “Quantities and units — Part 5: Thermodynamics” and find “relative humidity” and its alternate name “rel-ative partial pressure” (for water vapor in air). Check that one off. The ordinal quantity “hardness” will require more work since its quantity values

reference a measurement procedure rather than a mea-surement unit and a variety of hardness scales exist. Uncheck (for now).

MII in the WildSpeaking of hardness, one of the more difficult MII devel-opment tasks lies in locating and adapting existing work. But as usual, we’ve stumbled upon more standardiza-tion resources from which to draw. OIML8, for example, provides a few. We drew on the VIM9 for standard termi-nology when we began this column back in 2013. As it happens, OIML publishes its version, the VIML10, which adopts the entire VIM and adds terminology important to



legal metrology that may also come in handy for an MII, such as instrument “type” or “pattern” (make-model), “category of instruments,” “family of measuring instru-ments,” “module,” “scale interval,” “influence factor,” and “software identification.”

OIML also categorizes legal measuring instruments (load cells, various weighing instruments, flow meters, etc.) on their web site (www.oiml.org) and so provides another resource for instrument taxonomies. Those cat-egories come with recommendation documents detailing the instrument terminology, accuracy and functional requirements, test methods, report formats, etc. Nice!

We discussed quantity categorization in the previ-ous installment (the way SoAs separate and name CMC groupings) and illustrated the different ways various international metrology organizations approach this. ILAC11 reportedly12 has its own organization, namely• Acoustics/Vibration• Biological/Microbiological• Chemical• Construction materials• Electrical• Environmental• Geotechnical• Mechanical• Non-destructive• Optical / Photometric• Ionizing / Radiometric• Thermal• Multidisciplinaryfor testing and• Dimensional• Mechanical• Electromagnetic – DC/low frequency• Electromagnetic – RF/Microwave • Ionizing Radiation• Optical Radiation• Thermodynamic• Time & Frequencyfor calibration, which seems more or less similar to the NVLAP parameter selection list and ANAB calibration scopes. Certainly not all ABs use the same scheme but nice to see some consistency. NAPT organizes its ILC/PT services similarly.

Finally, we should mention modeling again. Instrument modeling will provide immense value in an advanced MII in that it would allow us to translate our individual test

point results into the calibrated instrument’s internal state representation, from which we may character-ize error, uncertainty, false accept risk, measurement reliability and any other measurement quality met-ric over the instrument’s entire measurement space. In other words, users would have a characterization at the actual measured values, not just simply at the cal-ibration points. Klaus-Dieter Sommer of the Technische Universität Ilmenau and formerly of PTB emphasized modeling in his MSC presentation and discussions this year (and previously). It seems that the German technical community may have much to offer on this front.

MII on My MindI’ll venture that we’ll find laying out a taxonomy for an

MII easier than understanding the U.S. income tax code, but it remains a huge task. Ultimately, the taxonomy will benefit from the eyes, if not direct hands-on work, of subject-matter experts in the various measurement dis-ciplines. Contact us if you would like to contribute to its definition or reviews. In the meantime, go to NCSLI’s MII Community page at http://www.ncsli.org/Committees or our knowledgebase at http://miiknowledge.wikidot.com/start.

[ 6 ] Root-mean-square [ 7 ] International System (of units) [ 8 ] International Organization of Legal Metrology [ 9 ] International Vocabulary of Metrology [ 10 ] International Vocabulary of Legal Metrology [ 11 ] International Laboratory Accreditation Cooperation [ 12 ] https://www.atcc.org/~/media/PDFs/webinars/Pre-

sentations/2015/ATCC%20Webinar%20Accredita-tion%20to%20ISO%2017025.ashx



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PROMOTINGACADEMIC

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Since the late 1800’s brought the international system of units to the global community, there have been leaps in all walks of science. The scientists driving this change are the metrologists and fundamental researchers whose work allows for ever-increasingly precise, and especially more reliable, results in all areas of research. When we observe the shifts from telephony, to radio, to mobile net-works; from the venerable compass, to satellite imagery to everyday GPS technology; it is difficult not to appre-ciate how far we have come. The changes brought about by the work on frequency and time, mass, electricity and magnetism, gravimetrics and thermometry are simply so commonplace today that they are relegated to the annals of scientific magazines and history.

The International System of units (SI), the world’s mea-surement system, will soon be revised. The units will be redefined in terms of fundamental physical constants, which will improve accuracy, stability and accessi-bility. In preparation for this event, the Task Group on Fundamental Constants of the Committee on Data for Science and Technology (CODATA) requested that laboratories perform-ing high accuracy determinations of these constants, in particular the Planck, Avogadro and Boltzmann constants, submit their latest results by July 1, 2017. These and previous results would be used to establish the fixed values for the constants to be ultimately recommended to International Committee on Weights and Measures (CIPM) and then used in the revised SI. All if this has now occurred.

In 2012, the NRC’s researchers identified, described and resolved a major source of errors, the mass exchange errors, in the NRC watt

The National Research Council of Canada Weighing In on the Redefinition of the Kilogram

balance which was originally designed and constructed at the National Physical Laboratory (NPL) based in the UK. The largest of these errors was caused by a tilting of the balance platform during the mass exchange, and it was eliminated by moving the mass lift off the platform and onto the base. The tare lift was also mounted on the balance platform, causing a platform tilt, but since the tare mass remains on during the entire weighing phase it did not introduce an error that is synchronous with the main mass status.

In 2014, the NRC published four watt balance results, each associated with a different test mass, which repre-sented the most precise Planck constant determination at that time. These were the result of several years of effort resolving issues of the previous Kibble balance design, including not just the mass exchange errors but also coil suspension and coil alignment.

Since that time the balance has been disassembled, primarily to modify the tare mass lift, and to make modifications to the interferometer. The resulting

National Research Council, Canada (NRC)


••• INTERNATIONAL NEWS

Figure 1: A schematic of the NRC Kibble balance.

improvements were used in three new determinations: the first performed in February 2016 with a silicon 500 g mass, the second in November 2016 with a gold-plated copper (AuCu) mass of 1 kg, and the third in December 2016 with an AuCu 500 g mass.

In 2017, the NRC’s Kibble balance team published their final determinations of Planck’s constant, which remains the most precise ever recorded at 9.1 ppb.

As the international scientific community comes together in November 2018 to weigh in on the new values of constants in the SI, we should all take a moment to congratulate each other on the difficult and tireless work involved. Though often unsung, and through no shortage of professional-though typically friendly-competition, the work we all have done and continue to do helps to keep moving research forward.

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Transportable Optical Clock Used to Measure Gravitation for the First Time

Helen Margolis, Fellow in Optical Frequency Standards and Metrology at the National Physical Laboratory (NPL), UK presents their proof-of-principle experiment which demonstrates that optical clocks could provide a way to eliminate discrepancies and harmonize measurements made across national borders. One day such technology could help to monitor sea level changes resulting from climate change.

For the first time, researchers measure gravita-tion with a transportable optical clock, paving the way for standardized measurement of the Earth’s surface.A European collaboration involving clock experts from the National Physical Laboratory (NPL), the Physikalisch-Technische Bundesanstalt (PTB) and the Istituto Nazionale di Ricerca Metrologica (INRIM) used one of the world’s only transportable optical atomic clocks to measure gravitation for the first time. The results of the experiment were published in Nature Physics.

Until now, such delicate clocks have been restricted to laboratories at a few major research institutions; how-ever, researchers at PTB have developed a transportable strontium optical lattice clock, opening up the possibility of performing measurements in the field.

The transportable clock was driven in a vibra-tion-damped and temperature-stabilized trailer to the French Modane Underground Laboratory (LSM). Operated by Centre National de la Recherche Scientifique and Grenoble-Alpes University, the multidisciplinary lab is located 1,700m below a mountain top, in the middle of the Fréjus road tunnel between France and Italy.

There, a team measured the gravity potential difference between the exact location of the clock inside the moun-tain and a second clock at INRIM – located 90km away in Torino, Italy, at a height difference of about 1,000 m.

National Physical Laboratory (NPL)



The accurate comparison of the two clocks was made possible using a 150 km long optical fiber link, set up by INRIM, and a frequency comb from NPL, to connect the clock to the link. Researchers from Leibniz Universität Hannover also determined the gravity potential differ-ence using conventional geodetic techniques, and the two measurements were shown to be consistent.

With improvements to the accuracy of the transport-able optical clock, this technique has the potential to resolve height differences as small as 1 cm across the Earth’s surface. The advantage of using optical clocks is that they can make measurements at specific points, in contrast to satellite-based measurements, such as GRACE and GOCE, which average the gravity potential over length scales of about 100 km.

This novel method could lead to higher resolution measurements of the Earth’s gravity potential, allowing scientists to monitor – with unprecedented accuracy – continental height changes related to sea levels and the dynamics of ocean currents. It will also lead to more con-sistent national height systems.

Currently, different countries measure the Earth’s sur-face in the same way, but relative to different reference levels. This has led to problems – one such being the Hochrhein Bridge between Germany and Switzerland, where construction on each side used different sea level calculations, leading to a 54 cm discrepancy between the two sides.

Achieving consistency between national height sys-tems will help to prevent costly mistakes from happening

in engineering and construction projects. Improved mea-surements of gravity potential may also help to improve our understanding of geodynamic effects associated with mass changes under the Earth’s surface.

This type of measurement of height will also help us to monitor changing sea levels in real-time, allowing us to track seasonal and long-term trends in ice sheet masses and overall ocean mass changes. Such data provides critical input into models used to study and forecast the effects of climate change.



COOMET Metrological Cooperation in the Euro-Asian Region

BackgroundMetrology is the science of measurement. Measurements accompany scientific investigations and innovations which are prerequisites to competitiveness of economy. Metrology deals with the development of measurement standards and instruments assuring their use in the pub-lic and private sectors. These tasks are realized by the National Metrology Institutes (NMIs). To facilitate global cooperation, NMIs work together in Regional Metrology Organizations (RMOs). COOMET is one of the five RMOs – besides AFRIMETS, APMP, EURAMET and SIM.

COOMET is an organization for the Euro-Asian coop-eration of National Metrology Institutions, (from the countries of Central and Eastern Europe, Asia and nearby countries). The principal fields of cooperation within COOMET include: Realization of the CIPM MRA;

Dr. Pavel NeyezhmakovNational Scientific Centre

Institute of Metrology

27th COOMET Committee meeting.



Establishment and maintenance of the national primary measurement standards of SI units; Solution of problems on general metrology, including problems of the theory of measurement and uncertainties, system of units, and terminology; Creation and use of reference materials of composition and properties of substances and materials; Coordination of issues on legal metrology between mem-ber countries; Creation and implementation of Quality Management Systems in NMIs; Support in developing basic metrological infrastructure of COOMET Member Countries; Raising proficiency level and work with young metrologists.

Position in the world metrological communityCOOMET takes an active part in the present inter-national scheme for establishing uniformity of measurements – the Metre Convention. In fulfilling its tasks COOMET collaborates with the Joint Committee of Regional Metrology Organizations (JCRB), and the BIPM International Organization of Legal Metrology (OIML) and other international and regional organizations (EURAMET, NCSL International, etc.).

Assistance in bridging the metrological gapAlmost all Central Asian and Caucasian countries became members of COOMET during the last years. COOMET supports them in:• developing their national metrological infrastructures

in conformity with international requirements;• preparing them for signing the CIPM MRA;• preparing them for participation in regional

comparisons.These activities give an opportunity to bridge the

metrological gap between COOMET members.

History in briefA ceremony of signing COOMET MoU and official decla-ration of COOMET establishment was held on June 12, 1991 in Warsaw. The MoU was signed by representa-tives of state metrology organizations of five countries: Bulgaria, Poland, Romania, USSR and Czechoslovakia. Several abbreviated names of the new regional cooper-ation were proposed. These were UNIMET, INTERMETR etc. However, the only name COOMET (short for "coop-eration in metrology") was agreed. As distinct from EUROMET (today – EURAMET) uniting metrology orga-nizations of only Western Europe, COOMET envisaged membership for countries of different regions of the world. It was agreed that devotion to a single region might limit organizations willing to cooperate.

In November of 1991, Germany became COOMET mem-bers as did Cuba, in 1992. Belarus and Ukraine joined in 1993, Lithuania in 1997, and Moldavia and Kazakhstan in 1998. In May of 2000 for the purpose of granting COOMET membership to European and Asian metrology organi-zations, COOMET changed its name to the "Euro-Asian cooperation of national metrological institutions."

Initial development stage of COOMET overlapped with the period of transformation and revision of national leg-islation in the field of metrology due to the conception of free trade. Major efforts were concentrated on defin-ing the boundaries of legal metrology and new principles of market surveillance. These issues are still vital for a number of COOMET member countries and have been discussed in the subject field "Legal metrology" led by experts from Germany.

In 2000 an article of the COOMET MoU set the insti-tution of COOMET vice-presidents and it’s Presidential Council. This structure included representatives of

Participants of the 27th COOMET Committee Meetting.



Belarus, Germany, Russia, Slovakia, Ukraine and formed an active-group of associates which would manage COOMET activities especially in the gap between con-secutive COOMET Committee meetings. An important stage of COOMET development is works regarding estab-lishment of global measurement system according with CIPM MRA.

Participation of COOMET in implementation of CIPM MRA has regulated COOMET activities and set up prac-tical objectives aiming towards the creation of an international market of metrological services and the following:• planning and arrangement of key and supplementary

regional comparisons;• intra- and interregional review of the calibration and

measurement capabilities (CMCs) of COOMET mem-bers and metrology institutes of other RMOs;

• assessment of effectiveness of quality management systems of COOMET NMIs.

COOMET in 2017Currently, COOMET is an internationally recognized regional metrology organization with wide international contacts. COOMET has necessary organizational-juridi-cal and methodological basis for cooperation, which has continually improved. Within the past 25 years, the num-ber of members increased from 5 to 21. Besides European countries, states from Central Asia and the Caucasian region have also become members of COOMET as well.

COOMET is led by the President’s Council consisting of the President, four Vice-Presidents and Head of the Secretariat. The supreme body is the COOMET Committee consisting of delegates from all member countries. The President is elected by the COOMET Committee members for a period of three years and designates Vice-Presidents.

The Secretariat, which is an executive body of the organi-zation, is located at the member institute of the President. 12 Technical Committees (TCs) realize scientific activi-ties in the field of measurements. Additionally, COOMET has TCs for legal metrology, information and training, as well as quality management. A new TC for research and development was established to solve tasks in new technologies.

27th COOMET Committee MeetingOn April 26–28, 2017, according to the schedule of meetings of COOMET structural bodies, the 27th meet-ing of the COOMET Committee and the 15th meeting of the COOMET Joint Committee for Measurement Standards were held. The meetings took place in Minsk, Belarus. COOMET Committee members and their official representatives, chairpersons of COOMET Technical Committees and representatives of COOMET National Secretariats from 17 COOMET mem-ber-countries (Armenia, Azerbaijan, Belarus, Bosnia and Herzegovina, China, Cuba, Georgia, Germany, Kazakhstan, Kyrgyzstan, Lithuania, Moldova, Russia, Slovakia, Tajikistan, Uzbekistan and Ukraine), represen-tatives of BIPM and BIML took part in the 27th COOMET Committee meeting.

At the 27th meeting, among the agenda items the fol-lowing issues were considered:• implementation of decisions of the 26th meeting of

COOMET Committee and main results of COOMET activities in 2016;

• cooperation with EURAMET and NCSL International;• realization and review of CIPM MRA.

The regular election of the COOMET President was held during the 27th COOMET Committee meeting. Valery Hurevich, The Belarusian State Institute of Metrology

27th COOMET Committee members.42 METROLOGIST | APRIL 2018 VOL. 11 NO. 2


(BelGIM), was elected as a new COOMET President by the results of the secret voting. According to the COOMET rules of procedure, the new President will assume his/her duties on the 28th meeting of COOMET Committee in a year.

22nd meeting of the COOMET President's CouncilThe 22nd meeting of the COOMET President's Council was held on November 29–30, 2017 in Braunschweig, Germany. Members of the COOMET President’s Council, Chairpersons of COOMET Quality Forum and TC 3.1 "Quality Forum Technical Committee," representatives of National Secretariats of COOMET and other invited guests took part in the work of the meeting.

The candidacy of Nino Mikanadze, director of the Institute of Metrology, GEOSTM, Georgia, was proposed and agreed for inclusion in the COOMET President's Council as COOMET Vice President, responsible for coop-eration in the field of quality management systems. Discussions on the results of the 37th and 38th JCRB meetings were presented, namely: the current status of KCDB and creation of new KCDB 2.0 database using mod-ern software; the results of the discussion on the possible “broader scope” CMCs; results of analysis of improve-ment areas of CIPM MRA process. A draft Memorandum of Understanding between EURAMET and COOMET was presented, which was approved for further adoption at the 28th meeting of COOMET Committee in April 2018.

VII International Competition of COOMET “The Best Young Metrologist – 2017”VII International Competition of COOMET “The Best Young Metrologist” was held on May 17–18, 2017 in Astana, Kazakhstan. It was the second time that the International Competition of COOMET “The Best Young Metrologist” was held with the participation of young metrologists from other RMOs and only in English. The competition was organized and held according to Recommendation COOMET R/GM/18:2013 “Procedure for the International Competition "The Best Young Metrologist of COOMET.”

One of the branches of activity of TC 4 “Information and Training” is carrying out the competition. Chairperson of TC 4 is COOMET Vice-President, COOMET Representative to the NCSLI BoD, General Director of NSC “Institute of Metrology” (Kharkov, Ukraine) Pavel Neyezhmakov. 36 works of young metrologists from 10 countries (Belarus, Columbia, Germany, Kazakhstan, Moldova, Peru, Russia, Slovakia, Spain and Ukraine) of 3 regional metrology organizations (COOMET, EURAMET and SIM) were sub-mitted for the competition.

The Scientific Committee of the competition included leading metrologists from international (BIPM, BIML) and regional (AFRIMETS, COOMET, EURAMET, SIM) metrology organizations: Vladimir Krutikov (COOMET, Russia), Pavel Neyezhmakov (COOMET, Ukraine), Toktabek Tokanov (COOMET, Kazakhstan), Nikolai Zhagora (COOMET, Belarus), Hans-Dieter Velfe (COOMET,

COOMET President's Council.



Germany), Stephen Patoray (BIML, France), Chingis Kuanbayev (BIPM, France), Linoh Magagula (AFRIMETS, South Africa), Klaus-Dieter Sommer (EURAMET, Germany), Claire Saundry (SIM, USA).

The assessment of works was carried out in accordance with the criteria established in COOMET Recommendation R/GM/18:2013. Based on the assessment results of the works of competitors, the following winner and awardees of the competition were determined:

1st place went to Edyta Beyer, a PhD student of PTB Germany, for her report on the “Surface analysis by XRF and XPS for the Avogadro constant and the realization of the kilogram based on silicon spheres.”

2nd place was awarded to Mikhail Aleynikov (VNIIFTRI, Russia) for the report on the “Application of H-maser with increased power in fountain atomic clocks.” 3rd place went to Anna Villevalde (VNIIM, Russia) for her report on “Metrological support of mea-surements in brachytherapy.” It was the first time when the Proceedings of VII International Competition of COOMET “The Best Young Metrologist – 2017” were pre-pared and published in electronic and paper variants. The DOI index – digital object identifier was assigned to all papers. This was done by the specialists of NSC “Institute of Metrology” (Kharkov, Ukraine).

Members of the Scientific Committee of the competi-tion from other RMOs noted the high level of organization and participants’ papers, as well as the uniqueness of

Scientific Committee and the participants of “The Best Young Metrologist – 2017” Competition of COOMET.

Scientific Committee members.



such an event. The Best Young Metrologist competition very clearly showed that a high yield from this regional activity consists not only in demonstrating one’s own capabilities, but also in building friendship as well as developing and intensifying scientific and personal con-tacts between the young scientists of around the world. Another remarkable result of the series of competitions is the continuously increasing quality of papers and presentations. Meanwhile, all young scientists who par-ticipated in the competition have taken the chance to demonstrate their professional skills and to exchange knowledge and experience.

Future challengesCOOMET has to act as a link between research and final users, i.e. to deliver the metrological proof for scientif-ic results for the welfare of the whole society. To study the experience of better organization of joint scientific research and to deepen cooperation with EURAMET, a one-day workshop for COOMET member-countries on the procedure and conditions for participation in the European Metrology Programme for Innovation and Research (EMPIR) was held on December 4th in the PTB (Germany).

The seminar was attended by: the leaders of National Metrology Institutes from 7 COOMET member-coun-tries (Belarus, Georgia, Germany, Russia, Tajikistan, Ukraine and Uzbekistan), collaborators responsible for international cooperation and research coordination,

chairpersons of COOMET Technical Committees, rep-resentatives of EURAMET and EMPIR secretariats. The objectives of the seminar were to explain the Programme, instruments and processes of EMPIR with focus on pos-sible participation of COOMET member-countries. The seminar provided general information on the EMPIR pro-gram and its components, the experience and results of some previous projects, participation rules and pro-cedural issues regarding participation in new EMPIR research projects.

After the agenda issues were covered, a discussion took place. The positive experience of Ukraine’s (NSC “Institute of Metrology”) participation in EMRP and EMPIR projects as an unfunded and external funded participant of the project was noted, as well as the successful experience of Russia’s (VNIIOFI) participation as an unfunded par-ticipant of EMPIR. The issue of participation of designed representatives of COOMET TCs in the meetings of EURAMET TCs was discussed.

Development and implementation of joint research projects within COOMET will contribute to science and technology as well as stimulate innovations to solve metrological problems in COOMET member countries.

Looking to 2018 and the future, COOMET will set a num-ber of challenges ensuring its further improvement and broadening of cooperation. COOMET members believe in further growth of the organization and its success in regional and world metrology.

Edyta Beyer, presenting her report. “The Best Young Metrologist – 2017” Competition of COOMET winner, Edyta Beyer.



THE CURTA CALCULATOR

As a Metrology geek I developed a fascination with antique test and measuring equipment which I have collected over the past 20 odd years. Most of the test equipment in my collection have been gifts by friends and colleagues spanning from the mid-1800’s to the 1970’s. As a former Compaq Computer / Hewlett-Packard employee I also got interested in collecting vintage com-puters and calculators. It was upon researching vintage calculators I learned of an obscure calculator with a most fascinating story, the Curta Calculator.

The Curta calculator was conceived by Curt Herzstark, a mechanical engineer, in the 1930's in Vienna, Austria. Curta calculators were considered to be the best por-table calculators available until they were displaced by electronic calculators in the 1970's. Scientific America advertised the Curta calculator as a “precision calcu-lating machine for all arithmetical operations such as addition, subtraction, multiplication, division, squares and cube roots… and every other computation arising in science and commerce”1. The advertised price of a Curta Calculator in the early 1960’s was $125, a pretty hefty sum at the time ($125 in 1960 had the same buying power as $1,027 in 2017). What is absolutely amazing about the Curta calculator is that it is entirely mechanical and fits in the palm of your hand. The Curta calculator is a descendant of the Arithmometer, a mechanical adding machine which accumulated values on cogs that are added or complemented by multiple stepped drums. But instead of incorporating multiple drums the Curta calculator uses only one drum and employed nines com-plement math, a novel way of subtracting by adding. The

nines' complement math significantly reduced the mechanical complexity associated with "borrow-

ing" during subtraction operations allowing for a much smaller, compact design. The Curta

calculator became affectionately known as the "math grenade" due to its resem-

blance to a WWII hand grenade.

https://pixabay.com/en/curta-mechanical-calculator-1920406/

https://pixabay.com/en/curta-mechanical-calculator-1920411/

https://pixabay.com/en/curta-mechanical-calculator-1920398/https://pixabay.com/en/curta-mechanical-calculator-1920413/

Christopher L. GrachanenTranscat



So what is the fascinating story behind the Curta Calculator?During WWII Herzstark was interned at the Buchenwald concentration camp near Weimar, Germany. To help keep his sanity during this horrific time he developed the Curta calculator design in his head making some clandestine notes. This activity was found out by his NAZI captors and as Herzstark related in an interview after the war;

“The Gustloffwerk people made the following propo-sition to me. We will allow you, even encourage you, to continue working on your invention. However, you can do so only on your own free time. On Sunday, you can make drawings of this construction. When that is finished we will make a model. And when the whole thing is finished and if it is well done, so that it really functions, then we will give it to the Fuhrer as a present after we win the war.”2

Herzstark came to the realization that; “For me, that was the first time I thought to myself, my God, if you do this, you can extend your life. And then and there I started to draw the CURTA, the way I had imagined it.”2

After being liberated from Buchenwald in 1945, Herzstark embarked on a three year odyssey trying to obtain financial backing for manufacturing his beloved calculator. Herzstark eventually convinced the Prince of Liechtenstein to provide the seed money to create the Contina AG Mauren company which produced Curta cal-culators from 1949 starting with Curta Type I and ending in 1972 with the larger Curta Type II introduced in 1954.

Needless to say my 1950 vintage Type I calculator is one of the crown jewels in my collection (how I was able to obtain it is an amusing narrative in itself). I enjoy shar-ing the Curta calculator story with folks while they crank its handle and marvel at its compact, unique design.

[ 1 ] Scientific America, January 2004, “The Curious History of the First Pocket Calculator,” Cliff Stoll[ 2 ] An Interview with CURT HERZSTARK Conducted by Erwin Tomash on 10-11 September 1987, Nendeln, Liechtenstein



YEARS OF INNOVATIONAn Overview of Guildline Instruments

60 ••• SPECIAL FEATURE

Richard Timmons and Tim StarkGuildline Instruments


Guildline Instruments was formally incorporated in 1957 in the small Canadian town of Smiths Falls, Ontario. 60 Years later, the com-pany still resides in the same town

and in fact, the same building. It is interesting to exam-ine the changes in the last 60 years. These changes include instrumentation and technology changes; and changes in acceptability in terms of advertising, sociality norms, environmental protection and the impact of out-side world events.

How did Guildline start? In 1951 Tinsley, a British based company, started a Canadian operation located in Saint Jerome, Quebec, Canada. This company operated as Tinsley Instruments (Canada) Limited. Some of the ear-liest precision testing instruments were developed here, such as this Current Transformer Testing Apparatus. On a personnel side, many of Tinsley employees being British, wanted their children to attend an English School so they decided to move the company outside of Quebec, which is primarily French speaking. They wanted to be near Ottawa where the National Research Council Canada (NRC) is located, but also wanted to live in a rural area. As a result, a decision was made to transfer to Smiths Falls, Ontario around 1953. Thus, Tinsley Standards made in Canada have either St. Jerome or Smiths Falls as the manufacturing site.

Transformer Testing Apparatus cira 1950s.

Guildline Instruments – Smiths Falls, Ontario.

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In 1957 employees of Tinsley Instruments Canada purchased the company and renamed it to Guildline Instruments Limited to avoid confusion with the par-ent company that was still operating in the UK. The word 'guild' goes back to medieval times and is defined as "an association of craftspeople in a particular trade." Craftsmanship and quality has always been and remains a key component of Guildline culture. Guildline products are known for their longevity. There is an oil bath that the National Research Council Canada (NRC) purchased in 1958 from Guildline that is still in operation today.

During the late 1950’s the first Guildline products developed were a Dauphine isolating potential compar-ator, which enabled the first commercially available EMF comparison of better than 10 ppm; and the first current comparator resistance bridge with a permanent accu-racy of 0.1 ppm.

Early Potentiometer circa late 1950’s.

Early Potentiometer Operator Training Aid.

Many other significant Guildline firsts were the com-mercialization of voltage and resistance measuring instruments based on the principles of the direct current comparator (DCC) developed by NRC.

In the late 1950’s and early 1960’s Guildline devel-oped standards that were based on electro-mechanical designs. At that time integrated circuits (ICs) and associ-ated electronics did not exist. This meant that Guildline, as an elite design and manufacturing firm, had electri-cal engineers and draftsman develop new instruments consisting of only mechanical parts. The manufacturing was done by skilled craftsmen who were machinists and cabinet makers. Back then, design documents were hand drawn and manuals were developed on typewriters (and white-out).

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1950's



advertisement was developed to show the large capacity of the 9700 oil bath. Guildline Precision Oil and Fluid Baths went on to become the top performing and top selling oil baths for the next 30 years. Guildline Oil Bath innovation continues today with our new 5600-300 liter fluid bath where the mechanical parts are separated from the bath tank, but we have adapted to the social environment as shown with our new advertisement picture.

Photo from 2017 Ad for New Guildline Oil BathTraining Aid.

Photo from 1965 Advertisement for Guildline Oil Bath.

The end of the 1950’s saw heightened cold war devel-opment, heavy competition in the automotive and aerospace industry and the day the music died. Moving into the 1960’s saw the development of rock music, the building of a wall between a torn city, the race for space between socialism and democracy, and terror associated with the nuclear arms race. The need for accurate and repeatable measurements was in high demand.

In the 1960's Guildline was one of the first companies to make the transition from electro-mechanical instru-ments to electronically controlled instruments. Initially passive components such as resistors, capacitors, and inductors were used. In the later 1960's Guildline contin-ued introducing innovations into the metrology field by designing and manufacturing products that used active components such as tubes, transistors, diodes and dig-ital displays. This enabled better accuracy (i.e. lower uncertainties), automated measurements, simpler oper-ation and reduced the size and weight of measurement systems.

There were many “firsts” during this time period for Guildline including: the first current comparator resistance bridge, the first standard voltage cell using insertable saturated cells, the first direct reading digi-tal thermometer, the first ultra-accurate volt-ratio box, and the first 2000 Volt 0.1 ppm Kelvin Varley divider, etc. Guildline innovation extended beyond products into marketing as shown in the following advertisement.

Yes – this was a picture from a real advertisement for a Guildline 9700 Series Precision Oil Bath. This

1965

Another key product developed in 1964 was the 9700 Voltage-Ratio Standard. This product was, and believe it or not, is still the most accurate resistor-based Voltage Ratio Standard ever produced.

The National Metrology Institute (NMI) Australia today has a model 9700 in their laboratory that was shipped in April 1964, has been in continuous use for more than 53 years, and still provides sub ppm uncertainties. The issue with trying to manufacturer a standard like this today is that parts available back in the 60’s were dif-ferent and were designed for pure electro-analog passive performance.

With today’s almost exclusive digital world, older analogue parts are no longer available as are other com-ponents such as Mercury based switches.

NMI Australia 9700 Volt Ratio Standard.

1964



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During the 1970's the ''Digital Age" was born and mea-suring instrumentation began to take on a whole new look. Technology inventions included the development of the first microprocessors, calculators and video games. The Star Wars original movie was released and what hurt the most, the death of first generation Rock and Roll music.

Metrologists at that time did not trust new instruments with digital displays, and instrument manufacturers had difficulty convincing users that they could trust a digital readout to give accurate numbers. Guildline’s engineers accepted the challenge and successfully introduced in 1970 the world's first digital Teraohmmeter, the model 9520 for precision measurements of resistance in the range of 106 to 1016 ohms (10,000,000,000,000,000 ohms). It’s amazing that Guildline still receives 9520s to cali-brate and in fact there are still people selling this almost 50-year-old instru-ment on Ebay and on other websites.

Model 9520 Teraohmmeter with EMI Enclosure.

1972 saw Guildline entering new, unchartered waters (literally). With the support of the National Research Council Canada and Bedford Institute of Oceanography (BIO), Guildline embarked on an ambitious R&D pro-gram to develop oceanography instrumentation and related equipment for the rapidly expanding needs of Oceanographic Research Institutions. These prod-ucts are used on board research vessels as well as in oceanographic calibration laboratories. Temperature measurement of 0.002 °C at depths of 6000 meters was achieved with these new oceanography products.

Guildline Towed Instrument Platform.

1970's



Guildline's mechanical and electronic design exper-tise was used to develop the BATFISH, a programmable towed instrument-platform for oceanographic research. The company also developed the first CTD which was attached to the BATFISH or MiniBat and used to measure the conductivity, temperature, and pressure of seawa-ter (the D stands for "depth," which is closely related to pressure).

An important part of all oceanographic measure-ments is the salinity of water samples. In 1975 Guildline introduced the 8400 Automatic Salinometer, known as the Autosal, which is still today the defacto world stan-dard for the measurement of the salinity of seawater.

Why would Guildline develop a Salinometer? Basically, a Salinometer measures Seawater by using a 4-Wire con-ductivity/resistance measurement in a highly controlled temperature environment. These were skills and design techniques that Guildline engineers had been employ-ing for years. Oceanographers around the world continue to use Guildline salinometers, (i.e. Guildline 8400B Autosal and 8410A Portasal) for their traceable salinity measurements.

During the 1970’s, the company also introduced the first self-contained digital thermometers, multiple current transformer test sets and the first integrated DC voltage calibration system (model 9936). Guildline introduced the first thermal AC/DC model 7100 voltage difference measurement system, and the first digital thermal watt-meter, both incorporating new multi-junction thermal converter technology developed by NPL England.

In 1975 IEEE (Institute of Electrical and Electronics Engineers) standardized the GPIB (General Purpose Interface Bus), originally developed by HP, as the Standard Digital Interface for Programmable Instrumentation (i.e. IEEE-488). In the late 1970's Guildline introduced IEEE-488 into existing and new instruments, thus providing automation capability to customers.

The 1980’s saw the arrival of the big-hair bands, the wall that went up in the 1960’s come down, and we saw continued advancement of the digital and computerized age. The revolution of the computer industry started with the IBM 5150 PC and automation finally started to take off for commercial laboratories.

With its dual floppy drives and green fluorescent dis-play, an IBM PC was a state of the art system. For home use, there was the Commodore Vic-20 (with an amazing 8k of memory), floppy disks, tape drives and more. Computers enabled

spacecraft that were launched to fly by the Sun, Halley's Comet, Mars, Jupiter and Venus.

For Guildline, new instruments were designed to include an embedded micro-processer. Examples include:

the model 7130 AC/DC Thermal Transfer Standard, which was the first AC/DC standard with 10 ppm uncer-tainties; the 7200 Digital Wattmeter; the 6500 Series of Teraohmmeters; and the 9576/9577 which was the first 8 ½ digit Volt Meter. New passive standards were also released such as the 9350 Hamon Transfer Standards, and the 9711 Multi-Value DC Shunt which today is still the best performing multi-value DC shunt.

Moving into the 1990’s marked new SI units for the Volt and Ohm respectively based on Josephson Junction and Quantum Hall effects. There was a new rise in terrorism; new music genres like Grunge, Gangster Rap and Pop Rock; and gaming with Nintendo, Sega and PlayStation. We saw Windows 95, 98, 98ME and major advancements in technology.

Guildline Model 7100 Thermal Transfer Standard.

Model 8400B Autosal.

Guildline Model 7130 Thermal Transfer Standard.



And Guildline continued in the 90’s with many firsts in electrical standards. Based on technology developed by NIST, Guildline introduced the first Wideband Amplifier going to 1 MHz (model 7620); and the 7410, which was the first multiple frequency AC Waveform Frequency Source Standard. Guildline engineers designed the model 6675 and 6675A which were the first wide-range (i.e. 1 mΩ to 1 GΩ) Direct Current C o m p a r a t o r Resistance Bridges with an internal 1000 V source. Guildline also designed and released the first offering of Precision Air Resistance Standards from 1 Ω to 100 GΩ and the first Resistance Standards commercially available for the Teraohm (TΩ) Range.

At the very end of 1999 we all anxiously waited to see what would happen as we moved into the dreaded Y2K to start the 2000’s. Somehow we survived and for many, the beginning of this year started a true cultural change and introduced major leaps in technology.

For Guildline the 2000’s started with developing the most advanced Direct Current Comparator Bridge at the time, the model 6622A. This was the first wide-range, full multi-ratio, and truly modular DCC Bridge Series ever designed. The 6622A is still the most widely fielded and recognized Resistance Bridge in the world today.

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Guildline Model 7410.

6622A Resistance Bridge.

2000's

Guildline Model 7620.

1990's



Consider just how Direct Current Comparator Tech-nology has changed from the 1960’s to now. The measurement core technology, the toroid, is still basically the same now as it was 50 years ago, but the interface around it’s core technology has improved dramatically.

9930 Comparator (circa 1960’s).

1960's

Along with this new Bridge Series, Guildline also spend well over 1 million dollars designing a new Precision Current Source and Range Extender for this new Bridge Series. Like the 6622A Bridge, the 6623A Series also became the most widely fielded Range Extender in the world and the unique engineering found in this Extender led to multiple patents.

During this time-period, Guildline also started a move-ment towards a true modular “Systems Approach" to standards. For example, the 6625A System shown inte-grates multiple Guildline standards and instruments into more than a thousand configurations; providing lab-oratories with custom solutions based on commercial products. The 6625 Systems are the most widely fielded Precision Resistance and Current Measurement Systems ever manufactured.

The "Systems Approach" continues today with High to Ultra-High Resistance Measurement Systems, Complete Temperature Systems, Quantum Hall Systems, Precision Current Systems to 10,000 amperes and much more.

Looking at the past and now moving forward, what does the future hold? Guildline continues its world-class leading investment in new research, design and developments.

20186640T Temperature Bridge.

6625A Measurement System.

The above picture of the model 9930 Current Comparator is from one of our earliest commercial comparators from the 1960’s. Contrast that to our latest current comparator shown below, model 6640T (Temperature Bridge).

The core technology (toroid-based) is still basically the same but is finding its way into new applications. The late Dr. Petar Miljanic, who in the 1960’s developed the current comparator technology and is one of the origi-nal patent holders, collaborated with Guildline to develop and patent an improved toroid design to measure AC current. Guildline engineers took this new toroid design and integrated it with the latest technology to develop the 7220 Asynchronous Power Analyzer which measures noisy power signals. Measurements of each input sig-nal are made at almost 100 ksps (100 thousand samples



per second) and over 10 separate digital algorithms are applied in sequence to provide very accurate results.

Guildline's innovation continues with industry lead-ing designs being used to develop unique new standards to replace old technology still in existence. As an exam-ple, our new patented 7520 Precision Voltage Divider is designed to replace Voltage Divider standards from the 1970’s, 80’s and 90’s still used today. This new Divider incorporates the latest technology available while pro-viding uncertainties as low as 0.05 ppm, is self-aligning (i.e. self-calibrating), and is completely automated.

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7520 Precision Voltage Divider.

7220 Asynchronous Power Analyzer.

Guildline is also introducing innovations in passive technology. This includes new 4-Wire Kelvin Varley Decade Standards with values down to 1 micro Ohm, new oil and air resistors based on a multiple element design, new AC and DC Shunt technology and much more.

In just the last 7 years, Guildline has applied for and received 28 patents on new products that we have devel-oped. This shows the dedication of Guildline staff to continue investing in advanced technology and designs.

Which brings us to today, 18 years into the 21st Century. The iPhone X has been released, mobile applications dra-matically expanded, driver-less cars are being introduced and robotic technology is everywhere. History has yet to be written for this time and for the future, but Guildline will continue at the same frantic pace developing new technology, products and introducing new firsts.

For Guildline, we will end with a paraphrasing of the latest State Farm Commercial - We know a thing or two because we have seen a thing or two in designing and manufacturing the best measurement standards and instruments in the world for over 60 years!



Albuquerque••• REGIONAL NEWS

Edward O’[email protected]

The NCSL International Albuquerque Section held its winter meeting on January 10, 2018 at the Juan Tabo Public Library. The meeting lasted for approximately two hours and had 22

attendees. One of our speakers, Joshua Stanford was not able to attend. His presentation titled, “Gage R&R Study on New LCR Measurement System Software,” will be moved to a future NCSLI Albuquerque Section meeting.

The meeting began with an announcement of upcom-ing NCSLI events such as the upcoming Technical Exchange in February and the Workshop & Symposium held in late August. Attendees were then encouraged to become NCSLI members, if they were not already.

After the introduction, the first speaker was introduced. Since the original speaker was unable to attend, we were able to have Collin Delker of the Primary Standards Laboratory (PSL) at Sandia National Laboratories, pres-ent in his place. Collin provided a presentation titled,

“Combined Uncertainty Analysis Using PSL Calculator for Computing GUM and Monte Carlo Methods.” Collin discussed his Python based software which uses a mea-surement model along with information regarding each random variable within the model such as the probabil-ity distribution, shape parameters of each probability distribution and correlation between input variables to calculate the combined uncertainty. The primary out-put of the software is the mean value of the output of the measurement model and its associated standard uncertainty. The uncertainty is computed by the law of propagation of uncertainty that is discussed in the Guide to the Expression of Uncertainty in Measurement (GUM) and the Monte Carlo method discussed in the first supplement to the GUM. Other outputs of the software include input and output random variable histograms, sensitivity calculations, and breakdown of uncertainty component proportions to the standard uncertainty. Some other features of this program include, analysis using non-normal distributions, multiple functions per calculation, chaining functions together, symbolic equa-tion output, calculating Type A uncertainties from data

Collin Delker, PSL Sandia National Laboratories.


in a text file, and report generation which includes the resulting expanded uncertainty.

In summary, the PSL Calculator can determine the combined uncertainty using the GUM and Monte Carlo methods. It is currently only available to Sandia National Laboratories, but licensing is being worked on for a broader audience. The program has been tested and val-idated against numerous examples from the GUM and various NIST publications.

The second speaker was Randy Mendoza with a pre-sentation titled, “Traceable High-Frequency Vibration Calibration of Accelerometers in the Temperature Range of -60 °C to 90 °C.” Randy’s presentation discussed the calibration, in a back to back configuration, of a reference accelerometer and a device under test (DUT) on a shaker table. Depending on use conditions, accelerometers can be influenced by harsh environmental conditions such as extreme temperature variation. Up until the imple-mentation of this system, the reference accelerometer was traceable to the SI only under ambient environmen-tal conditions. The implementation of this system allows the reference to be traceable to the SI throughout a wider temperature range.

The PSL at Sandia National Laboratories now has a system that can provide traceable calibration of accel-erometers from frequencies of 10 Hz to 10 kHz in the temperature range of -60 °C to 90 °C. This new system was specifically designed for vibration calibrations at extreme temperatures. The uncertainties for this system (with a level of confidence of 95.45 % and coverage factor of k=2) are ±3 % at ambient and ±7 % at extreme temperatures.

The next Albuquerque section meeting is scheduled for Monday, June 4, 2018. We will be having Dilip Shah of E=mc3 present on calculating measurement uncertain-ties and risk analysis associated with the new revision of ISO/IEC 17025:2017. The hands-on measurement uncer-tainty class will discuss why measurement uncertainty is required and the different contributors that should be considered when performing an analysis. We will take the data from the uncertainty workshop and will look at how we can apply it to real-world applications during the managing risk workshop. We will focus on the ISO/IEC 17025:2017 Clauses 7.8.4, 7.8.5 and 7.8.6 and apply this risk-based thinking. The meeting announcement is to follow on the NCSL International website.

Collin Delker, PSL Sandia National Laboratories.

Randy Mendoza, Sandia National Laboratories.

Randy Mendoza, Sandia National Laboratories.


REGIONAL NEWS •••

JofraCloud is a new way to perform remote reading

and setting of Jofra temperature calibrators over an un-

limited distance. The data is presented as a copy of the calibrator’s display, and can

be viewed at jofracloud.com. The webpage is accessible via a browser on any

device — PC, laptop, tablet, or smartphone.

Remote Setpoints — Select a temperature Setpoint on your calibrator using your device.

Stability Reporting — When the calibrator reaches the set temperature and gains stability, an emailed report is sent.

reaches stability.

Control and communicate with up to 5 calibrators simultaneously.

Generate a timestamped emailed report on demand.

CrystalnVision

JOFRAASC-400

a m e t e kc a l i b ra t i o n .c o m

JOFRARTC Series

JOFRAPTC Series

CrystalXP2i

Twin CitiesCory [email protected]

The NCSL International Twin Cities Region held its winter meeting on a brisk and snowy day in Shoreview, Minnesota. The February 7, 2018 meeting was held at the Shoreview Community Center

and hosted by Precision Repair & Calibration.The day started with a rousing round of Minnesota

Vikings trivia. While many of the Vikings fans in atten-dance were still a bit sore about the recent loss to the eventual Super Bowl LII champion Philadelphia Eagles, it was fun to discuss measurement related Vikings trivia. For example, did you know that the Minnesota Miracle pass from Case Keenum to Stefon Diggs traveled nearly 56 meters (61 yards)?

After everyone settled in, the host presentation for the meeting was delivered by Brian Downie from Precision Repair & Calibration. Brian, who is also on the region’s steering committee, introduced attendees to Precision’s history, capabilities, and desire to partner with their customers.

Following Brian’s presentation, attendees heard from Doug Stohr from TSI, Inc. on the topic of, “The

Complexities of OEM NIST Traceability.” Doug started by reviewing TSI’s products and then explained the dif-ficulties that can arise when asked to show traceability to an SI unit when the traceability chain is lengthy and complicated. Doug showed examples of TSI’s traceability maps which have proven to be an invaluable visual aide for illustrating these chains to customers (internal and external) as well as auditors.

After a break for refreshments and networking, Travis Gossman from Rockwell Collins presented on the topic of, “The Contract Process – Communicating Calibration Requests.” Travis highlighted the need to be both good customers, (when communicating our calibration needs) and good calibration labs (when serving our customers). Travis reminded attendees that calibrations are more than just numbers and that decisions need to be made with the data that is collected. He showed that there is a cost when making the wrong decision, (to the company, customer, etc.) and that the key component to a success-ful calibration is communication.

Before lunch, Cory Otto from Boston Scientific (NCSLI Twin Cities Section Coordinator) recapped the 2017 NCSLI annual conference and updated attendees on upcoming NCSLI activities. The group then took a picture to com-memorate the day.

REGIONAL NEWS •••

Twin Cities Region Meeting.


Upon returning from lunch, Satish Pragalsingh from Medtronic, Kevin Rust from MTS Systems, and Gary Martz from Boston Scientific served as panelists on a discussion about developing and interpreting calibration specifications. The audience was able to weigh in on the methods they use, ask questions, and share information. This interactive discussion lasted for an hour and could have gone on for much longer had time allowed.

The final presentation for the day was given by Walter Nowocin from Medtronic. Walter’s presentation, entitled, “Best Lessons Learned from FDA Warning Letters” was a 2017 NCSLI Workshop & Symposium Best Paper Award winner. Congratulations Walter! Walter explained the basic principle that companies need to say what they are going to do, do what they said they would do, and then be able to prove that they did it. Walter emulated David Letterman’s Top 10 List and helped us learn from 10 com-panies that had difficulties in this area so that we can make sure not to make the same mistakes.

The successful and informative meeting wrapped up with a round of door prizes donated by NCSLI and the steering committee members.

The NCSLI Twin Cities Region would like to offer a sin-cere thanks to Precision Repair & Calibration for hosting and sponsoring this meeting, especially Brian Downie and Dick Palmer.

••• REGIONAL NEWS

Twin Cities Panel.

Walter Nowocin.

Travis Gossman.

Brian Downie.Doug Stohr.62 METROLOGIST | APRIL 2018 VOL. 11 NO. 2

CONFERENCE ON PRECISIONELECTROMAGNETIC

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ncsli.orgNCSL International | 5766 Central Avenue, Suite 150, Boulder CO 80301 | 303-440-3339 | [email protected]

2018 NCSL INTERNATIONAL WORKSHOP & SYMPOSIUM Oregon Convention Center | Portland, Oregon | August 25–30, 2018 | ncsli.org

TOMORROWMEASUREMENTS

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9 1

92

63

1 7

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299 792 458 m/s

1.602 176 634 x 10

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6.626 070 15 x 10 -34 J s

1.380 649 x 10 -23 J/K

6.02

2 1

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76

x 1

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ol-1

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