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Metrology Thought Leader Customer Newsleer July 2017 Acoustics, Ultrasound and Vibration (AUV) Section: In this issue: Acouscs, Ultrasound and Vibraon (AUV) Secon: Laboratory Employee Profile AUV Secon: Laboratory Services AUV Secon: Projects NMISA 70/10 Celebraons How can we help you?
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Page 1: Metrology Thought Leader - NMISA Thought Newsletter... · Metrology Thought Leader Customer Newsletter July 2017 ... have to courier equipment to NMISA for calibration. • A primary

Metrology Thought Leader Customer Newsletter

July 2017

Acoustics, Ultrasound and Vibration (AUV) Section:

In this issue:

Acoustics, Ultrasound and Vibration

(AUV) Section: Laboratory Employee

Profile

AUV Section: Laboratory Services

AUV Section: Projects

NMISA 70/10 Celebrations

How can we help you?

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AUV Section: Laboratory Employee Profile

2. Ms Moses Temba

Senior Metrologist: Vibration

Laboratory

BTech: Electrical Engineering

Contact: 012 841 4341

[email protected]

1. Dr Aletta Karsten

Section Head: AUV

PhD: Physics

Contact: 012 841 3428

[email protected]

3. Mr Ian Veldman

Research and Development

Metrologist: Acoustic, Ultrasound

and Vibration Laboratories

MTech: Electronic Engineering

Contact: 012 841 4008

[email protected]

4. Mr Vumile Tyalimpi

Metrologist: Acoustics

Laboratory (Underwater

Acoustics)

MSc Physics

Contact: 012 841 4388

[email protected]

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AUV Section: Laboratory Employee Profile

5. Mr Henk Potgieter

Metrologist: Acoustics Laboratory

(Sound Pressure in air)

Bing: Mechatronics

Contact: 012 841 4388

[email protected]

6. Mr Thapelo Mametja

Masters Bursar: Ultrasound

and Acoustic Laboratory

BSc Hons (Physics)

Contact: 012 841 4388

[email protected]

7. Mr Marang Mutloatse

Masters Bursar: Vibration

Laboratory

BSc (Eng.) Mechanical

Contact: 012 841 4388

[email protected]

8. Mr Riaan Nel

Metrologist: Acoustics

Laboratory (Sound Pressure

in air)

BTech: Electronic

Engineering

Contact: 012 841 2534

[email protected]

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AUV Section: Laboratory Services

The AUV Section forms part of the Physical division at NMISA. It consists of the Acous-tics (sound pressure in air), Ultrasound and Vibration Laboratories.

It is responsible for the maintenance of the national measurement standards (NMS) for Air Acoustics Underwater Acoustics, Ultra-sound, Vibration and Shock. It is also re-sponsible for the dissemination of traceabil-ity to the South African industry, SADC re-gion and other African countries for these measurement parameters.

This section uses state of the art instrumen-tation and measurement techniques to de-liver the best international recognised cali-bration services in Southern Africa. The team members are actively involved in na-tional, regional and international platforms (e.g. CCAUV, AFRIMETS, SABS, SANAS, ISO and IEC).

The following Measurement and Calibration Services are offered by the laboratories in AUV.

Vibration Laboratory

• Vibration-transducers (accelerometers, velocity- and dis-placement Transducers)

• Shock sensitivity calibration of vibra-tion transducers

• Laser vibrometers

• Vibration measuring instruments

• Seismic monitoring equipment

• Charge amplifiers

• Force transducers

• Impact hammers

Figure 2: Primary Accelerometer

Figure 1: Microphones

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AUV Section: Projects

The following are new developments in the AUV Section:

• Artificial ear and artificial mastoid calibra-tion services in accordance with IEC 60318 are currently in development within the Acoustics Laboratory. Standard cali-bration services will be offered for artificial ears and artificial mastoids once SANAS accreditation has been obtained. This will underpin and establish traceability within South Africa for artificial ears and artificial mastoids, that are used for the calibration of audiometers, within the audiometry and hearing conservation communities (e.g. the testing of hearing and hearing aids)

• The Ultrasound Laboratory is busy with the implementation of a hydrophone cali-bration system (mainly aimed at the naval industry) as well as an ultrasound power calibration system (aimed at medical and manufacturing industries).

• In the Vibration Laboratory, the mobile calibration system has been evaluated and can now be used to perform onsite calibration of vibration transducers. This will reduce the downtime for clients that have to courier equipment to NMISA for calibration.

• A primary shock calibration system is un-der development in the Vibration laborato-ry.

Figure 3: Mobile Vibration Calibration System

Figure 4: Primary Shock System

Page 6: Metrology Thought Leader - NMISA Thought Newsletter... · Metrology Thought Leader Customer Newsletter July 2017 ... have to courier equipment to NMISA for calibration. • A primary

NMISA 70/10 Celebrations

The National Metrology Institution of South Africa (NMISA) is celebrating 10 years as an independent entity and 70 years as the offi-cial Metrology Institute in SA. A number of events have been planned from the 31st of July to the 4th of August 2017 to celebrate these significant milestones. NMISA’s Board of Directors together with the Executive Team led by CEO: Ndwakhulu Mukhufhi cor-dially invite you to share in the commemora-tion that will take place at conference ven-ues in Pretoria.

In 2007, after the promulgation of the new Measurement Units and Measurement Standards Act (Act No. 18 of 2006), NMISA

was established as a Technical (Quality) Infrastructure reporting to the Department of Trade and In-dustry (dti). Consequently, 1947 is the year Metrology was formally established in South Africa and 2007 NMISA was established as an independent institution.

The local Test & Measurement conference is also planned to link to the celebrations and the Intra-Africa Metrology System (AFRIMETS) annual General Assembly and related Technical Committee meetings will be hosted at the same time, thus ensuring that the “think-tanks” of Metrology in Africa will be in attendance. This also provides an opportunity to commemorate the Africa Year of Quality.

Representatives of the national, regional and international institutions in the Science and Metrology fraternity, high-ranking government representatives and prominent industry experts will be attending. Nobel Laureates and prominent metrologists will add a high-level scientific flavour to the occasion.

For more information and registrations, visit http://www.nmisa.org/Pages/default.aspx If you have any questions or need more information about the celebrations and programme, please email Dr Wynand Louw: [email protected] or call +27 12 841 4157 / 4152. Alternatively, email Xolelwa Mfengu (Communications) [email protected] or call +27 12 841 3523

Follow us on the following social media platforms:

Facebook : National Metrology Institute of South Africa

Instagram :@nmisouthafrica

LinkedIn : National Metrology Institute of South Africa

Twitter : NMISouthAfrica

We are looking forward to hosting and collaborating with you!

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How can we help you?

What measurement service do you require?

The expertise in the Vibration laboratory are available to industry, not only for calibration work,

but also to provide measurement solutions, assist with product development, training and any

and all vibration related matters.

Some of the industries we offer services to:

• Health & Safety

• Environmental monitoring

• Mines, truck drivers, civil engineering

• Plant Maintenance

• Motor Industry

• Aerospace

• Mining and Civil Engineering

• Universities and Research Institutes

For more information regarding our services and how we can help you, kindly contact us at:

[email protected]

[email protected]

or

(012) 841 3047

We are here to serve you.


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