Eagle Monitor Manual

8/7/2019 Eagle Monitor Manual

1/85

www.rkiinstruments.com

Instruction ManualEagle Series

Portable Multi-Gas Detector

Part Number: 71-0028RK

Revision: 0

Released: 8/10/09


2/85

Warranty Eagle Instruction Manual

Warranty

RKI Instrum ents, Inc., w arran ties gas alarm equipm ent manu factured

by RKI and sold by RKI to be free from defects in materials and

workmanship for a period of one year from d ate of shipment from

RKI Instru ments, Inc. Any p arts found defective within that p eriod

will be repaired or rep laced, at ou r op tion, free of charge. Thiswarranty d oes not app ly to items tha t are subject to deterioration or

consum ption in normal service, and wh ich mu st be cleaned , repaired,

or rep laced rou tinely. Those items include, but are n ot limited to:

This warran ty is voided by m echan ical dam age, misuse, alteration,rough handling, or repairs not in accordance with the operators

manual. This warranty ind icates the full extent of our liability. We are

not responsible for removal or replacement costs, local repa ir costs,

transportation costs, or contingent expenses incurred w ithou t ou r

prior approval.

THISWARRANTYISIN LIEUOFAN YOTHERWARRANTIESAN D

REPRESENTATIONS, EXPRESSEDORIMPLIED , AN D ALLOTHEROBLIGATIONS

ORLIABILITIESON THEPARTOF RKI INSTRUMENTS, INC., INCLUDINGBUT

NOTLIMITED TOTHEWARRANTYOFMERCHANTABILITYORFITNESSFORA

PARTICULARPURPOSE. IN NOEVENTSHALL RKI INSTRUMENTS, INC., BELIABLEFORINDIRECT, INCIDENTAL, ORCONSEQUENTIALLOSSORDAMAGE

OFAN YKIND CONNECTEDWITHTHEUSEOFITSPRODUCTSORFAILUREOF

ITSPRODUCTSTOFUNCTION OROPERATEPROPERLY.

This warran ty covers instrum ents and parts sold to end u sers by

authorized distribu tors, dealers, and representatives of RKI

Instrum ents, Inc.

We do not assum e ind emnification for any accident or d amage caused

by the operation of this gas monitor. Ou r w arran ty is limited to

replacement of parts or our comp lete goods.

absorbent cartridges filter elements

pump diaphragms and valves batteries

lamp bulbs and fuses


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Eagle Instruction Manual Table of Contents

Table of Contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Abou t this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Alarm Ligh ts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Battery Charger Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Interface Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Buzzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Sample-Draw ing System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Circuit Board s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Methane Elimination Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

CAL/ SETUP Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Starting Up the Eagle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Normal Opera tion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Monitoring Com bu stible Gas in the PPM Range . . . . . . . . . . . . . . . . . 11

Monitoring Com bustible Gases Other Than Methane . . . . . . . . . . . . 11

Setting User Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Turn ing Off the Eagle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Alarm Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Resett ing Gas Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18


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Table of Contents Eagle Instruction Manual

Display Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

User and Station ID Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Peak Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Elapsed Time Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

TWA/ STEL Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Battery Voltage Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Date/ Time Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Clear Data Logger Screen s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Remain ing Log Time Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Setup Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Tips for Using Setu p Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Entering Setu p Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Up dating th e Battery Typ e Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Up dating Channel Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Updating the Combustible Gas Channels Units of Measure . . . . . . . 31

Up dating th e Alarm Poin t Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Up dating the Eagles Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Up dating the Lun ch Break Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Up dating the Alarm Latching Setting . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Up dating th e Alarm Silence Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Turn ing the User ID Fu nction O n or Off . . . . . . . . . . . . . . . . . . . . . . . . 35

Up dating the Au to Calibration Settings . . . . . . . . . . . . . . . . . . . . . . . . 35

Up dating the Back Light Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Turn ing the Au to Fresh Air Fu nction On or Off. . . . . . . . . . . . . . . . . . 36

Updating the Interval Time Setting (data log op tion) . . . . . . . . . . . . . 37

Updating the Log Data Over Write Setting (data log option) . . . . . . 37

Updating th e Time Calibration Setting (data log op tion) . . . . . . . . . . 38

Updating the Date and Time Settings (data log op tion) . . . . . . . . . . . 38

Up dating the Zero Follow Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Up dating the Confirmation Beep Setting . . . . . . . . . . . . . . . . . . . . . . . 39

Retu rn ing to Defau lt Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39


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Eagle Instruction Manual Table of Contents

Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

Calibration Supplies and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Preparing for Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Calibrating the Eagle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

Disp laying the Battery Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Replacing Alkaline Batter ies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Recharging N i-Cd Batter ies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Replacing Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Appendix A: Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

Appendix B: Methane Elimination . . . . . . . . . . . . . . . . . . . . . . . . .52

Setting u p for Methane Elimination Mode . . . . . . . . . . . . . . . . . . . . . . 52

Op erating With Methane Response OFF . . . . . . . . . . . . . . . . . . . . . . . . 52

Return ing to Methane Response Mode . . . . . . . . . . . . . . . . . . . . . . . . . 52

Monitoring Combu stible Gases Other Than Hexane . . . . . . . . . . . . . 53

Appendix C: Non-Standard Toxic Gas Sensors. . . . . . . . . . . . . . .54

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Keeping Fresh Batteries in a N on-Standard Toxic Eagle . . . . . . . . . . . 55

Calibrating N on-Standard Toxic Gas Sensors . . . . . . . . . . . . . . . . . . . . 56Replacing N on-Standard Toxic Gas Sensors . . . . . . . . . . . . . . . . . . . . . 58

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Appendix D: Carbon D ioxide Sensors . . . . . . . . . . . . . . . . . . . . . .61

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Normal Op eration of Carbon Dioxide Sensors. . . . . . . . . . . . . . . . . . . 62

Dem and Zero for Carbon Dioxide Sensors . . . . . . . . . . . . . . . . . . . . . . 62Calibrating Carbon Dioxide Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Replacing Carbon Dioxide Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65


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Table of Contents Eagle Instruction Manual

Appendix E: Infrared Methane Sensors . . . . . . . . . . . . . . . . . . . . .66

Target Gases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Calibrating Infrared Meth ane Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Replacing In frared Meth ane Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Appendix F: Eagle Tank Tester Model . . . . . . . . . . . . . . . . . . . . . .69

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Alarms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Appendix G: Five-Gas and Six-Gas Models . . . . . . . . . . . . . . . . .72

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Displaying Add itional Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Alarms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Calibration , Display, and Setup Modes . . . . . . . . . . . . . . . . . . . . . . . . . 73

Appendix H: Eagle Transformer Gas Tester . . . . . . . . . . . . . . . . .74

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Op eration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Alarms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Appendix I: Installing the Data Logger Board . . . . . . . . . . . . . . .76

Appendix J: Infrared HC Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . .77

Target Gases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77Calibrating the Infra red HC Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Replacing th e Infra red HC Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79


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Eagle Instruction Manual Introduction 1

Introduction

Overview

The RKI Eagle is the m ost advanced portable gas d etection system

available. The Eagle is bu ilt for ru gged reliability and ease of use and

includ es the latest innovations in gas d etection technology:

Simu ltaneous d etection of one to six gases. Standard target gases

includ e combu stible gas (% LEL and p pm), oxygen deficiency,

carbon m onoxide, and hyd rogen sulfide.

Powerful sample-drawing pum p w ith up to 100-foot range.

Dot-matrix liquid crystal display (LCD) for complete,

un derstandable information at a glance.

Microprocessor control for all functions, includ ing data logging

and user-ad justable alarms.

Visible and aud ible alarms for hazardou s cond itions and

malfunctions.

UL and CSA classified. Intrinsic safety for Class I, Division I,

Groups A, B, C, and D hazard ous atm ospheres (standard 4-gas

model and non -stand ard toxic gas versions). Consu lt RKI

Instru ment, Inc., for classification of other Eagle versions.

Tough case with a balanced, light-weight design.

WARNING: The Eagle detects a combinat ion of combust ible gas,

oxygen deficiency, hydrogen sulfide and carbon

monoxide, or ot her toxic gases w hich can be lethal. Users

must follow the instruct ions and w arnings in this

manual t o assure proper and safe operation of t he Eagle.


8/85

2 Introduction Eagle Instruction Manual

About this Manual

This manu al is intended for use with all Eagle mod els. Examp les used

in this manu al are for the stand ard four-gas model (combustible gas,

oxygen, carbon monoxide, and hyd rogen su lfide). Differences

between the standard four-gas model and other Eagle mod els are

noted where applicable. This manu al is organized as follows:

The standard sections includ ed in pages 1 through 49 describe theEagles specifications and internal and external components. These

sections also describe the operation, calibration, and maintenance

of the Eagle.

App endix A lists part num bers for the Eagles replacement parts

and accessories.

Append ix B describes the Eagles methane elimination feature.

App endices C through E describe the Eagles non-standard

sensors.

App endix F describes the Eagle tank tester model.

Append ix G describes the Eagless five- and six-gas models.

App endix H d escribes the procedu re to install the Eagles optional

Data Logger board .


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Eagle Instruction Manual Specifications 3

Specifications

Table 1 lists physical and environm ental specifications for the Eagle.

Table 2 lists specifications for the Eagles stand ard sensors.

Table 1: Eagle Specifications

Target Gases1 Combustible gas; Oxygen (O2),Carbon monoxide (CO); Hydrogen sulfide (H2S)

Case High-impact polycarbonate-polyester blend

Safety/Regulatory2 CSA/NTRL and UL classified intrinsically safe(Class I, Division 1, Groups A, B, C, and D)

Dimensions 10.5 in. x 5.9 in. x 7.0 in. (26.7 cm x 15.0 cm x 17.8 cm)

Weight 5 lbs. (2.25 kg)

Power Four D-size batteries (alkaline or Ni-Cd)

Continuous OperatingHours

Alkaline: 30 hours (minimum)Ni-Cd: 18 hours (minimum)3

Operating Temperature 14F to 104F (-10C to 40C)

Humidity 0 to 95% (non-condensing)

Standard Accessories Shoulder strap; alkaline batteries; hydrophobic probe;5-foot hose

Optional Accessories Ni-Cd batteries; battery charger (115 VAC);continuous operation adapter (115 VAC or 12 VDC);dilution fitting (1:1 or 3:1); remote alarm; data logger

1 Appendices C, D, and E describe the Eagles non-standard sensors.

2 Consult RKI Instruments, Inc., for regulatory classifications of versions other than the standard 4-gas

and non-standard toxic gas versions.

3 Based on RKI part number 49-1240RK.


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4 Specifications Eagle Instruction Manual

Table 2 lists specifications for the Eagles standard sensors. Your

Eagle model may not include all of the sensors listed below. The alarm

settings a re user-adjustable (see Upd ating the Alarm Point Settings

on page 32.)

Table 2: Standard Sensor Specifications

Combustible

Gas (%LEL1)

Combustible

Gas (PPM2) Oxygen

Hydrogen

Sulfide

Carbon

Monoxide

Range 0 to 100% LEL Depends on

target gas40 to 40% O2 0 to 100

ppm0 to 500

ppm

Alarm 1 10% LEL 5000 ppm 19.5% O2

(decreasing)

10.0 ppm 25 ppm

Alarm 2 50% LEL 25,000 ppm 23.5% O2

(increasing)

30.0 ppm 50 ppm

TWA Alarm N/A N/A N/A 10.0 ppm 25 ppm

STEL Alarm N/A N/A N/A 15.0 ppm 400 ppm

DetectionPrinciple

Catalyticcombustion

Catalyticcombustion

Electro-chemical

Electro-chemical

Electro-chemical

Response Time

(to 90%)530 seconds 30 seconds 30 seconds 30 seconds 30 seconds

Accuracy(of fullscale)

5% 5% 5% 5% 5%

1 LEL (Lower Explosive Limit)

2 PPM (Parts Per Million)

3 Alarms settings are user adjustable. See Updating the Alarm Point Settings on page 32.4 The PPM range represents the same range as 0 to 100% LEL for that gas. For example, 100% LEL for methane

= 5% by volume = 50,000 PPM. Therefore, the PPM range for methane is 0 to 50,000.

5 With the Eagles standard hose and probe attached.


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Eagle Instruction Manual Description 5

Description

Case

The Eagle has a plastic case with a fu ll-sized hand le. The h igh-

visibility case is shielded to reduce radio frequency and

electrom agnetic interference (RFI/ EMI). The system is light-w eight

and balanced, wh ich m akes the Eagle easy to carry an d u se forextended periods. A foam ru bber gasket between the top and bottom

case components is w ater- and dust-resistant. You can set the case into

2.5 in. of w ater withou t damage.

Control Panel

The control panel is at the top of the Eagle. The touch-pad bu ttons

redu ce the risk of accidental activation. The dot matrix display

simultaneously show s the gas read ing for all installed sensors. (For

the 5- and 6-gas versions, the Eagle d isplays the gas read ing of four

channels. Use the AIR/ and SHIFT/buttons to scroll to the non-d isplayed channels.) The d isplay also show s inform ation for each of

the Eagles program m odes.

Buttons

The control panel includes the following six buttons.

Table 3: Eagle Button Functions

Button Function(s)

POWER/ENTER turns the Eagle on and off. used during setup and calibration.

RESET/SILENCE silences and resets audible alarm if the Eagle is programmed for

latching alarms and the Alarm Silence option is on 1

DISP/ADJ activates display modes

enters instructions into the Eagles microprocessor

LEL/PPM switches combustible gas detection ranges between %LEL

(lower explosive limit) and PPM (parts per million)2

AIR/ activates the demand-zero function (automatically adjusts the

Eagle in fresh-air conditions) scrolls through the display and settings modes

SHIFT/ scrolls through the calibration and settings modes

enters instructions into the Eagles microprocessor

1 The Eagles alarms are user-adjustable. See Setup Mode on page 23.

2 The LEL range is commonly used for safety applications; the PPM range can be used for environmental

or other special applications.


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6 Description Eagle Instruction Manual

Alarm Lights

Two u ltra-bright, red , light-emitting d iodes (LEDs) provide visual

alarms for gas concentrations and malfunctions. They are mounted on

the top rear of the case for greatest visibility.

Battery Charger Connector

The battery charger connector is mounted on the top right rear of the

case. The external battery charger connects to this connector torecharge nickel-cadmium (Ni-Cd) batteries. The continu ous operation

adap ter also connects to the battery charger connector.

Interface Port

The interface port is for the optional data logging or remote buzzer.

The port is mou nted on the top left rear of the case. When the Data

Logging op tion is installed , the Eagle records gas concentrations at

program med intervals and stores data on gas detected. You can

down load these measurem ents through the interface port to a PC-

compatible compu ter for use in data analysis program s. Data retrieval

requires the Eagle Data Dow nloader Kit (with PC connection cable

and software).

The optional remote bu zzer also connects to the interface por t. The

remote buzzer is for use in app lications w here a remote alarm

indication is required.

Buzzer

A solid -state electronic buzzer is mou nted inside the top of the case.

The buzzer sou nd s for gas alarms, malfunction, low battery voltage,and as an ind icator dur ing use of the Eagles man y d isplay and

adjustment op tions.

Sample-Drawing System

The samp le-draw ing system includes the pu mp , sensor block and

connections, internal filter and charcoal scrubber, and the external

hose, probe, and hydroph obic filter. This system provides continuous

flow of samp led air to the sensors w hile keeping ou t liqu ids and dust.

With p roper setup , the system can d raw a samp le flow from up to 100

feet aw ay from the Eagle. Consu lt RKI Instru ments, Inc., for sam ple

flow d istances longer than 100 feet.


13/85

Eagle Instruction Manual Description 7

Sensors

This section d escribes the Eagles stand ard sensors. Non -stand ard

sensors are described in Append ices C, D, and E. Your specific Eagle

model may not include all of the sensors described below. Under

norm al cond itions, the Eagles standard sensors have an op erating life

of approximately two years.

Combustible gas sensorThe combustible gas (LEL) sensor is mounted with the flam e arrestor

down in the sensor block to allow th e samp le flow to diffuse into the

sensor. Five pins extend from the top of the sensor. The sensor cable

connects to the pins on one end and terminates in a four-position

connector, which plugs into the COMB socket on the analog pr int

circuit board (PCB).

The LEL sensor d etects combustible gas and vap ors in the atmosph ere

with a catalytic p latinu m element. The reaction of gas with oxygen on

the catalyst causes a change in the resistance of the element, which isconverted by the Eagle into a read ing of combustible gas

concentration.

Oxygen sensor

The oxygen (O2) sensor is mounted face dow n in the sensor block to

allow the sam ple flow to d iffuse into the sensor. A multi-pin p lug

connects the O2 sensor to the CN2 socket on the analog PCB.

The O2 sensor is an electrochem ical cell, wh ich reacts to the oxygen in

the atmosph ere and prod uces a voltage proportional to the oxygenconcentration. This voltage is converted by the Eagle into a reading of

oxygen concentration.

Standard toxics (CO and H2S) sensors

The CO and H 2S sensor s are physically very sim ilar. They have

cylind rical bodies and are mou nted face dow n in the sensor block. A

three-position connector from each sensor p lugs into EC1 or EC2

socket on the analog PCB. The sensor connected to the EC1 socket

d isplays as chan nel 3; the sensor connected to the EC2 socket d isplays

as channel 4.

The toxics sensors are electrochemical cells, which react to th e target

gas in the atmosph ere, producing a cur rent prop ortional to the

concentration of gas. The current is converted by the Eagle into a

reading of target gas concentration.


14/85

8 Description Eagle Instruction Manual

Circuit Boards

The Eagle circuit board s analyze, record, control, store, and d isplay

the information collected.

The analog PCB is moun ted p erpend icular to the base of the

instrum ent case. It is located in the same half of the case as the sensors

and sample-drawing system. The sensor leads connect to the analog

PCB.The main PCB is mounted in the top half of the case. It includes the

methane elimination and CAL/ SETUP switches.

CAUTION:The circuit boards should be serviced only by authorized repair

personnel.

Methane Elimination Switch

The methane elimination switch (SW1) is mounted near the top right

corner of the m ain PCB.

For app lications w here methane is an interfering gas, you can set the

methane elimination switch to eliminate most response to methane

(see App end ix B: Methane Elimination on p age 52). An external

methane elimination sw itch is available as an option.

CAL/SETUP Switch

The CAL/ SETUP switch (SW2) is mounted near the midd le left edge

of the main PCB.

This switch controls the Eagle functions ava ilable to the user by

d isabling the SHIFT/button. Without the use of this bu tton, the user

is unable to enter Calibration or Setup mode. (Display mode is

available with either sw itch sett ing.) See Setting User Access on

page 13to chan ge the switch setting.


15/85

Eagle Instruction Manual Operation 9

Operation

The Eagle has four operating modes: norm al operating mod e, d isplay

mode, setup mode, and calibration mod e. This section describes the

Eagle in norm al operating m ode. It includ es procedu res to start up the

Eagle, set various detection op tions for the combustible gas channel,

and shut d own the Eagle.

NOTE: The screens illustrated in this section are intend ed as

examples only. The screens d isplayed by your Eagle mod el

may be slightly d ifferent.

Starting Up the Eagle

1. Connect the samp le hose to the Eagles quick connect inlet fitting.

2. Connect the hyd rophobic filter and probe tip to the samp le hoses

quick connect fitting.

3. Press and briefly hold d own the POWER/ ENTER button. If the

Lunch Break feature is on (see page 33), the Resume Datalog

screen d isplays. (If the Lunch Break featu re is off, the Battery

Voltage screen d isplays.)

Press th e AIR/ button to continue accumu lating time-weighted average (TWA) and PEAK readings from the last

time the Eagle was u sed. (The short-term exposure limit [STEL]

reading is reset each time the Eagle is turn ed on.) The Battery

Voltage screen d isplays.

Press the DISP/ ADJ button to restart these measurements. The

Battery Voltage screen d isplays

If you do not p ress the AIR/ or DISP/ ADJ button w ithin 5

second s, the Eagle autom atically resum es datalog read ings and

displays the Battery Voltage screen.

E S U D T

N IY E S

A A

A:

L

RS

ID

O GR M E ?

O P:

5

L A Y

B A T T E R YM I N . 4 . 5 VB A T T E R Y

6 0 V.N O W


16/85

10 Operation Eagle Instruction Manual

The Battery Voltage screen d isplays the minimum usable and

actua l battery voltage (for exam ple, 6.0V). If the battery voltage is

too low, the Eagle will not continu e.

NOTE: The following screen on ly displays if the da ta logging op tion

is installed . If the d ata logging option is not installed , the Self

Diagnosis screen d isplays after the Battery Voltage screen.

This message displays the date and time as set in Setup mode. The

data logging op tion uses this information to record the time and

date of samp le and alarm events.

The following tw o screens d isplay w hile the Eagle checks itself for

proper operation. The Eagle alerts you if a malfunction occurs.

When th e Eagle successfully completes its self check, the OKmessage displays in place of the STAND BY message, then thenormal operating screen displays. The normal screen displays

fresh-air concentrations for all gases. The Eagle sounds a d ouble

tone to ind icate it is in normal operation.

CAUTION:Do not use gas from a cigarette lighter to test response to

combustibles. Exposing the combust ible gas sensor to

uncontrolled high concentrations of gas will reduce response

and sensor life.

PA 1 7 14 :

R 9 9 81 3 0

SG N SS E

I SC O

D I A OE L F

0 N D ST O G O

S T A N D B Y

C H 4 > < O YC >OH 2 S

< X>

1

C H 4O Y

C OH 2 S

X 2 0 . 90

00.0

LVPP

PP

MM

EO

LL

%%


17/85


4. Verify tha t the Eagle is operating correctly. Use the RKI Check Kit

to easily verify correct operation of the Eagle.

WARNING: If the Eagle does not respond t o v erificat ion, take it to a

know n fresh-air env ironment, then perform t he

demand zero procedure described in Preparing for

Calibrat ion on page 41. Repeat st ep 4 before using the

Eagle in a potent ially hazardous location.

Normal Operation

The Eagle continuou sly m onitors the sampled atmosph ere and

displays the gas concentrations present for its target gases. In a low-

light environm ent, press any button to turn on the d isplay backlight.

(See Upd ating the Back Light Setting on page 36 to program

backlight duration.) If the Confirm ation Beep op tion is turned on , the

Eagle beeps once every 15 minu tes to verify that its on the job.

To use the probe, insert it into the mon itoring a rea and w ait a fewsecond s for response.

NOTE: Response time increases with the length of the samp le hose.

Very long sam ple hoses may requ ire several seconds to show

response at the Eagle.

Monitoring Combustible Gas in the PPM Range

1. Start the Eagle in the LEL range as described in Starting Up the

Eagle on page 9.

2. Allow the combustibles sensor to stabilize (3 to 5 minu tes). This

stabilization p eriod is required for the PPM range on ly.

3. Press the LEL/ PPM button. The Eagle displays PPM in p lace of

LEL% for combustible gas, and the gas reading d isplays in parts

per million.

4. If the PPM read ing is not zero, take the Eagle to a fresh air

environm ent, then perform the demand zero procedure as

described in Prepa ring for Calibration on page 41.

NOTE: For the data logging option, combustible gas readings are

logged in %LEL regard less of the LEL/ PPM setting.

Monitoring Combustible Gases Other than Methane

If the combustible sensor is calibrated to methane (CH4), use Table 4

to determine the response of other combustible gases. This table is


18/85

12 Operation Eagle Instruction Manual

based on Eagles in fu ll response mod e (methane elimination switch

set to CH4) calibrated to methane. Multiply the display read ing by the

factor in the ap propriate colum n in the table. For example, if you are

detecting hexane an d the d isplay reads 10% LEL, the actual hexane

read ing is 10% x 2.55 = 26% LEL hexane.

WARNING: The Eagles alarms are init iat ed by the DISPLAY reading

not the FACTORED reading. If you are monit oring forhexane as in the example below and the low alarm is set

for 10% LEL, the Eagle w ill init iat e a low alarm at 26%

LEL hexane (display reading of 10% LEL).

To determine the concentration of other combustible gases with th e

Eagle in m ethane elimination mod e, see Table 7 on page 53.

Table 4: Full Response Mode Conversion Factors (Methane Calibration)

Target Gas LEL Factor PPM Factor Target Gas LEL Factor PPM Factor

Acetone 1.89 1.14 Isobutane 1.79 0.64

Benzene 2.85 .48 Isopropanol 2.19 .43

Butyl Acrylate ** .57 Methane 1.00 1.00

Butyl Acetate 4.34 1.49 Methanol 1.72 .91

2-Butyl Alcohol 4.49 1.54 Methyl Acetate 1.68 .54

1-Butyl Alcohol 6.28 .91 Methyl Acrylate 1.92 .54

Cyclohexane 2.77 .57 Methyl Ethyl

Keytone

2.94 .88

Cumene 5.89 .43 Methyl IsobutylKeytone

2.94 .47

EthyleneDichloride

5.55 .38 Mixed Xylenes 2.94 .48

Ethyl Alcohol 2.04 .55 Nonane 4.28 0.68

Ethyl Chloride 1.72 .27 Pentane 1.92 .58

Ethyl Acrylate 3.57 1.14 Propane 1.59 .67

Hexane 2.14 0.47 Styrene 4.09 .51

Hydrogen 1.10 .88 Toluene 2.00 .65

Vinyl AcetateMonomer

3.55 .89

** Vapor pressure too low for significant LEL reading.


19/85


Setting User Access

The CAL/ SETUP sw itch controls the Eagle functions available to the

user. The switch setting d oes not affect the Eagles ability to d isplay

gas readings and indicate gas and malfun ction alarms.

1. Turn off the Eagle.

2. Unscrew the two large screws on the top of the case.

3. Turn over the top half of the case, and locate the CAL/ SETUP

switch (SW2) near the midd le along on e edge of the main

processor board.

CAUTION:The Methane Elimination switch (SW 1) is on the opposite edge

of the board near the front end. DO NOT confuse these two

switches.

4. Place the CAL/ SETUP switch in the appropriate position.

To give the Eagle access to all modes, place the switch in theON position.

To limit the Eagle to normal operating and display modes,

place the switch in th e OFF position. (The Eagle p revents

access to the setup and calibration m odes by disabling the

SHIFT/button.)

5. Place the top of the case in its original position, then secure it with

the large screws you loosened in step 2.

6. Turn on the Eagle.

NOTE: Make sure the Eagles calibration is current an d the setup

options app ropriate and safe for the operating env ironm ent

before placing the CAL/ SETUP sw itch in the OFF position.

Turning Off the Eagle

To turn off the Eagle, press and hold d own the POWER/ ENTER

button u ntil GOOD-BYE displays, then release the bu tton. (You mu stwait for GOOD-BYE to disappear before you can tu rn on the Eagle

again.)


20/85

14 Alarms Eagle Instruction Manual

Alarms

Alarm Indications

This section d escribes the Eagles au dible and visual alarm ind ications

for gas, over range, low flow, low battery, and sensor failu re alarms.

This section also describes how to reset gas alarms.

The default alarm settings are listed in Table 2 , Stand ard Sensor

Specifications on page 4. The alarm settings are u ser-ad justable as

described in Upd ating the Alarm Point Settings on page 32.

NOTE: The screens illustrated in this section are intend ed as

examples only. The screens d isplayed by your Eagle mod el

may be slightly d ifferent.

First gas alarm

If a channels gas read ing exceeds the first alarm setting (falls belowfor the oxygen channel):

ALM1 d isplays in the alarm field for that channel.

The channels display line flashes.

The buzzer sounds a pulsed tone. The alarm lights flash.

Second gas alarm

If a channels gas read ing exceeds th e second alarm setting:

ALM2 d isplays in the alarm field for that channel.


The buzzer sounds a pulsed tone.

The alarm lights flash.

C H 4O Y

C OH 2 S

X 2 0 . 90

00.0

LVPP

PP

MM

EO

LL

%%

A L M 11

C H 4O Y

C OH 2 S

X 2 0 . 90

00.0

LVPP

PP

MM

EO

LL

%%

A L M 25


21/85

Eagle Instruction Manual Alarms 15

STEL alarm (toxics only)

If a toxic gas chann els average gas read ing for the p ast 15 minutes

exceeds the STEL alarm setting:

STEL displays in the alarm field for that channel.




TWA alarm (toxics only)

If a toxic gas channels average gas read ing for the past 8 hours

exceeds the TWA alarm setting:

TWA displays in the alarm field for that channel.




Over range alarm

If a channels gas read ing exceeds that chan nels full-scale setting:

OVER displays in the alarm field for that chann el.




C H 4O Y

C OH 2 S

X 2 0 . 90

00.5

LVPP

PP

MM

EO

LL

%%

S T E1 L

C H 4O Y

C OH 2 S

X 2 0 . 90

00.0

LVPP

PP

MM

EO

LL

%%

T W A1

C H 4O Y

C OH 2 S

X 4 0 . 00

00.0

LVPP

PP

MM

EO

LL

%% O V E R


22/85


Low flow alarm

If the Eagles sample system becomes restricted or blocked (for

example plugged probe, fouled filter, p inched tubing):

Th e m essageFAIL LOW FLOW LEVEL replaces the normal screen.

The buzzer sounds a steady tone.

The alarm lights are on continuously.

The pum p automatically shuts off to prevent damage.

Correct the flow blockage. Press the RESET/ SILENCE button to tu rn

off the alarm s and restart the p ump . If low flow conditions still exist,

the Eagle will go into alarm again. If the cond ition cann ot be corrected

immediately, take the Eagle out of service to a non-hazard ous area.

Low battery alarm

When th e battery charge d rops near the lower limit, the Eagle

d isplays the following screen (BAT flashes). For alkaline ba tteries, youhave app roximately 3 hou rs of use remaining; for Ni-Cd batteries you

have ap proximately 15 minu tes of use remaining.

When the battery voltage drops to the m inimu m limit, the following

screen d isplays, the alarm lights are on continu ously, and the bu zzer

soun ds a steady tone. The Eagle is not operational as a gas mon itoring

device when this screen displays.

NOTE: If you are using the data logging accessory and the Eagle goes

into Low Battery ALARM, shu t off the Eagle in order to save

the current data logging session.

F

F LL O W EL O W

A I L

L E V

C H 4O Y

C OH 2 S

X 2 0 . 90

00.0

LVPP

PP

MM

EO

LL

%%

BAT

Low BatteryWarning

B A T T E R YM I N . 4 . 5 V

B A T T E R YGC H NA E

Low BatteryALARM


23/85

Eagle Instruction Manual Alarms 17

Sensor failure alarm and emergency operation

The Eagle continu ously mon itors itself for p roper operation. If a

malfunction occurs, the Eagle alerts you with aud ible and visual

alarms.

If a sensor fails du ring start-up or normal op eration:

Th e m essage FAIL SENSOR displays.

The failed sensor d isplays in p arenthesis.

The buzzer sounds a steady tone.

The alarms lights flash.

If the sensor failed during start-up, the Eagle continues w ith the norm al

start-up sequence after the fail screen d isplays. When the normal

screen d isplays, the Eagle replaces the gas read ing for the failed

sensor with xxxxx.

If the sensor fails during normal operation and you want to continue

monitoring for the remaining target gases, turn the Eagle off, then follow

the approp riate start-up sequence. When the norm al screen d isplays,

the Eagle replaces the gas read ing for the failed sensor w ith xxxxx.

> < O Y>

< X>

F A I L

S E N S O R

C H 4

O YC OH 2 SX

0

00.0

L

VPP

PP

MM

E

O

L

L

%

%x x xxx


24/85


Resetting Gas Alarms

You can set the Eagles gas a larms for latching or self-resetting alarm s

(see Updating the Alarm Latching Setting on p age 34).

Self-resetting alarms

Self-resetting alarms automatically shu t off and reset when the gas

read ing falls below (or rises above for oxygen) the alarm sett ing. You

cannot silence or reset self-resetting alarm s.

Latching alarms

You can set latching alarms w ith or w ithout Alarm Silence (see

Updating the Alarm Silence Setting on page 34).

With Alarm Silence on:

When the Eagle goes into gas alarm, press the RESET/ SILENCE

button to silence the buzzer. The LEDs continu e to flash, and the Eagle

continu es to display the current alarm level.

The gas reading must fall below (or rise above for oxygen) the lowalarm (ALM1) setting before you can reset the alarm. Press the

RESET/ SILENCE button to reset the alarm. The LEDs tu rn off and the

Eagle returns to the normal screen.

With Alarm Silence off:

The gas reading must fall below (or rise above for oxygen) the low

alarm (ALM1) setting before you can reset the alarm. Press the

RESET/ SILENCE button to reset the alarm. The LEDs and buzzer

turn off, and the Eagle retu rns to the norm al screen.

NOTE: With Alarm Silence off, you cannot silence the buzzer w hile

the gas read ing is above (below for oxygen) the low alarm

(ALM1) setting.


25/85

Eagle Instruction Manual Display Mode 19

Display Mode


mod e, setup mod e, and calibration mod e. With the Eagle in d isplay

mod e, you can:

set user and s ta tion IDs

display peak readings

display elapsed t ime

display TWA and STEL readings (toxic gases only)

display battery voltage

display da te and time (data logging option only)

clear the da ta log (data logging option only)

display remaining log t ime (data logging option only)

To enter display mode, from the norm al screen press the DISP/ ADJ

button. To scroll from one screen to the next press the DISP/ ADJ

button.

NOTE: Each screen d isplays for 20 second s. If you do not p ress the

DISP/ ADJ bu tton to scroll to the next screen within 20

second s, the Eagle autom atically return s to the norm al

operating screen.

User and Station ID ScreenThis screen d isplays only if the u ser ID function is activated (see

Turning the User ID Function On or Off on p age 35). Each ID

contains 10 characters. Uppercase letters, nu mbers, asterisks (*), and a

blank space are available characters.

Use this screen to identify u ser, location, or o ther inform ation. If you r

Eagle includ es the data logging option, the User and Station ID

provides a way to identify the u ser and location of exposure. The User

and Station ID are saved to the data logger w hen you turn off the

Eagle, so you can update the IDs for each data logging session.

S E R D

A T I OT IN D

U

S

I

* * * * * * * * * *

* * * * * * * * * *


26/85

20 Display Mode Eagle Instruction Manual

To enter a user and station ID:

To scroll to the next screen at any time, press the DISP/ ADJ bu tton.

1. Press the POWER/ ENTER button. The first character under USER

ID flashes (* is default).

2. Press the AIR/ and SH IFT/buttons to scroll through the

available characters. (The asterisk and blank sp ace are between the

set of letters and nu mbers.)

3. When the desired character d isplays, press the POWER/ ENTER

bu tton to enter the character and go to the next character.

4. Repeat steps 2 and 3 for the remaining 19 characters.

After you enter the last character, the Peak screen d isplays.

Peak Screen

The Peak screen d isplays the h ighest (low est for O2) concentra tions

detected since the Eagle was tu rned on. Peak readings are stored inthe Eagles memory u ntil a higher level is detected, you reset them, or

the Eagle is turned off. To reset the peak readings while using the

Eagle, press and hold the RESET/ SILENCE button while in the Peak

screen until you hear a beep, then release it.

The Lunchbreak RESUME op tion enables the Eagle to remember

peak readings when it is turned off. See Starting Up the Eagle on

page 9.

Elapsed Time Screen

The Elapsed Time screen d isplays the time in minutes since the Eagle

was last turn ed on.

C H 4

O Y

C OH 2 S

X 2 0 . 9

0

00.0

L

VPP

PP

MM

E

O

L

L

%

%

P

EAK

MR A I

M U

O NO P E TE NI

2SI N T E

T I

4 0


27/85

Eagle Instruction Manual Display Mode 21

TWA/STEL Screen

The TWA/ STEL screen d isplays the time-weighted average (TWA)

and the short-term exposure limit (STEL) readingsfor toxic gases only.

The TWA read ing is the average read ing during the last 8 hours. If 8

hou rs have not elapsed since the last time the TWA/ STEL reading

was cleared, the average is still calculated over 8 hours. The m issing

time is assigned a 0 value for readings.The STEL reading is the average read ing during the last 15 minutes.

Battery Voltage Screen

The Battery Voltage screen d isplays the minimu m operating voltage

and present battery voltage. New alkaline batteries typ ically measu re6.0 V; fu lly-charged Ni-Cd batter ies typ ically measure 5.2 V. This

screen also displays when you turn on the Eagle.

NOTE: The remaining screens on ly display if you r Eagle includ es the

data logging op tion. If you r Eagle does not include the da talogging option, press the DISP/ ADJ bu tton to return to the

normal screen.

Date/Time Screen

The d ate/ time screen d isplays the current d ate and time. You can set

the date and time in Calibration or Setup mod e (see page 38).

W S

C O2 S

A

00.0 P

PPP

MM

TH

T E L0.00

B A T T E R YM I N . 4 . 5 VB A T T E R Y

6 0 V.N O W

PA 1 7 14 :

R 9 9 81 3 0


28/85

22 Display Mode Eagle Instruction Manual

Clear Data Logger Screens

CAUTION:Once you clear the data logger, you cannot retrieve any data

previously stored in the data logger.

The Clear Data Logger screens allow you to clear the d ata logger

storage to accept new data. (Press the DISP/ ADJ bu tton to go to the

Remaining Log Time screen). You can set the Eagle to overw rite the

oldest data w hen the data log is full (see page 37).

To clear the data log:

1. With the above screen d isplayed, press the AIR/ button.

A confirmation message d isplays.

2. Press the AIR/ button to confirm that you want to clear the data

log.

The Eagle d isplays CLEARING DATA, then d isplays CLEAREDOK. The data log is cleared and the remaining log time value is

reset.

Remaining Log Time Screen

The Remaining Log Time screen d isplays the time remaining until the

Data Logger mem ory is full. The remaining time d epend s on h ow

often the Eagles stores data to the data log and how many channels

are active.

Press the DISP/ ADJ bu tton once more to return to the norm al screen.

O GC R D

N IY E S

A A

A:

T

RS

ID

AEL

L E?

O P: L A Y

G R

S UY O

N IY E S

E U

A: RS

ID

EA R

?

O P: L A Y

R

3T I

R IH

G M

UO R NSN

0L O

E GA IM

0E

0.


29/85

Eagle Instruction Manual Setup Mode 23

Setup Mode

NOTE: The screens illustrated in th is section are examp les only. The

screens displayed by you r Eagle mod el may be slightly

different.


mode, setup mode, and calibration mod e. This section describes the

setup mod e. In setup m ode, you can:

upd ate the battery type setting

update channel sett ings

up date the combustible gas channels units of measure

upd ate the alarm point set tings

up date the Eagles serial num ber

turn the lunch break function on or off

upd ate the alarm latching setting

upd ate the alarm silence setting

turn the user ID function on or off

up date the auto calibration settings

upd ate the back light sett ing

turn the auto fresh air function on or off

upd ate the data interval time sett ing (data logging option only)

upd ate the log data over write set ting (data logging option only)

up date the time calibration setting (data logging option only)

upd ate the date and time settings (data logging option only)

turn the zero follower on or off for each channel

turn the confirmation beep on or off

return to default settings (three default options)

The Eagle is pre-set to suit most ap p lications. Follow these

instructions only if required.

Tips for Using Setup Mode

To select a menu option, use the AIR/ or SHIFT/button to

place the prom pt next to the menu option, then p ress the POWER/

ENTER button to select the menu option.


30/85

24 Setup Mode Eagle Instruction Manual

To exit setup mod e, from the main menu p lace the prompt next to

the last menu option, START MEASUREMENT, then press the

POWER/ ENTER button. The Eagle begins its normal start-up

sequence.

Entering Setup Mode

WARNING: The Eagle does not detect gas or display readings w hile

in setup mode. The CAL/SETUP sw it ch (SW2) must be inthe ON posit ion to enter setup mode.

1. Take the Eagle to a non-hazardous location, and turn the power

off.

2. Press and hold down the AIR/ and SHIFT/buttons, then press

the POWER/ ENTER button. The main menu d isplays. It d isplays

four m enu options at a time. Press the AIR/ or SHIFT/button

to view ad d itional menu options.

Updating the Battery Type Setting

This setting allow s you to select between alkaline and Ni-Cd batteries.

The Eagle uses this setting to make sure adequate time is given

between the low battery warning and low battery alarm. This setting

has n o effect on battery charging.

1. From the main menu, select the BATTERY TYPE menu op tion.

2. Press the AIR/ or SHIFT/button to d isplay the d esired setting.

CAUTION:This setting should always match the type of batteries (alkaline

or N i-Cd) installed in the Eagle. If this setting does not matchthe installed batteries, the time between low battery w arning

and low batteryalarm may be less than expected.

3. Press the POWER/ ENTER button to enter the setting and return to

the main m enu.

M BB E R

M T% O R

T Y

O

T

%S

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Updating Channel Settings

This procedure describes how to up date channel settings for the

combustible gas, oxygen, and toxic gas chan nels.

CAUTION:Verify that the correct sensor is installed before you update a

channels settings.

Updating combustible gas channel settingsThis section describes how to update the target gas label, set a custom

gas label, and update the fullscale PPM setting for the combu stible gas

channel.

Updating the target gas label

1. From the main menu, select the GAS COMBINATIONS menu

option.

2. Use the AIR/ or SHIFT/button to p lace the promp t next to the

combustible gas chan nel (in this example CH4).

3. Press the POWER/ ENTER button. The combustible gas target gas

label flashes. This ind icates that this setting can n ow be updated.

4. Press the AIR/ or SHIFT/buttons to display the available

combustible gas target gas labels (CH4, HEX, H2, ***, and NOT

USED ).

NOTE: Select the HEX or *** setting for Methan e Elimination

(see App end ix B: Methane Elimination on page 52 for more

information.)

5. Press the POWER/ ENTER button to enter the new target gas label.

A screen d isplays that show s the fullscale PPM setting, which

correspond s to 100% LEL, and d isplay increments for the target

gas label you selected . If you select *** as the gas label, you mustupdate the fullscale PPM setting to correspond to 100% LEL for

the target gas.

C H 4

O Y

C OH 2 SX

>


32/85


The num ber in parenthesis ind icates the d isplay increment for that

portion of the PPM range. In the examp le below, the PPM reading

would d isplay in increments of:

5 from 0 to 100 ppm

50 from 100 to 1000 PPM and 1000 to 10,000 PPM

250 from 10,000 to 50,000 PPM

If you entered a label other than ***, continu e with step 6. If you

entered ***, go to the next section, Setting a custom target gas label.

6. Press the POWER/ ENTER button to return to the Gas

Combinations menu.

7. To exit the Gas Combinations menu , press the SHIFT/buttonuntil the prom pt is next to Chann el 4, then p ress the SHIFT/

button again. The ESCAPE message displays.

8. Press the POWER/ ENTER button. The messageSAVING DATAd isplays, then the m ain menu d isplays.

Setting a custom target gas label

1. With the prom pt next to the target gas label setting (***), press the

POWER/ ENTER button . The first asterisk flashes.

2. Press the AIR/ and SH IFT/buttons to d isplay the d esiredcharacter. Available characters are A through Z, 0 through 9, and a

blank space.

3. Press the POWER/ ENTER button to enter the d isplayed character.

The next character flashes.

4. Repeat steps 2 and 3 to enter the remaining characters. When you

enter the last character, the p rompt flashes.

Updating the fullscale PPM setting

CAUTION:The fullscale PPM sett ing must correspond to 100% LEL for the

target gas in order for the Eagle to display accurate PPM

readings for the combustible gas channel.

1. Press the SHIFT/button to p lace the prom pt in the second line,

then p ress the POWER/ ENTER button to up date the fu llscale

setting. The fu llscale setting flashes.

* * *5 0

(P

00

>0 0 P M

1 0 5 ) 01 0 0 0 ( 5 )001 0 0 ( 1 )0 5 00 0 0 ( 5 )02


33/85


The maximu m fullscale setting for the combustible gas channel is

50,000 PPM; the minimu m setting is 1000 ppm. The default setting

is 50,000 ppm.

2. Press the AIR/ and SH IFT/buttons to d isplay the d esired

fullscale setting (see Table 5 ), then p ress the POWER/ ENTER

bu tton to enter the setting. The promp t flashes.

Returning to the main menu

1. Press the SHIFT/button. The ESCAPE message displays. (Pressthe AIR/ button to return to the p revious screen.)

2. Press the POWER/ ENTER button to save the new setting. The

OTHER GAS SET message d isplays, then the Gas Combinationsmenu displays.

3. To exit the Gas Combinations menu , press the SHIFT/buttonuntil the prom pt is next to Chann el 4, then p ress SHIFT/ again.

The ESCAPE message displays.

4. Press the POWER/ ENTER button. The message SAVING DATAd isplays, then the m ain menu d isplays.

Table 5: Fullscale PPM ReadingsEquivalent to 100% LEL

Target Gas Fullscale Setting

Methane (CH4) 50,000 ppm

Hexane 11,000 ppm

Hydrogen 40,000 ppm

Pentane 15,000 ppm

Styrene 9,000 ppm

IPA 20,000 ppm

Isobutane 18,000 ppm

Propane 21,000 ppm

Propylene 20,000 ppm

Toluene 11,000 ppm

Ethane 30,000 ppm

Ethanol 33,000 ppm

Benzene 12,000 ppm


34/85


Updating oxygen channel settings

This section d escribes how to u pd ate the target gas label, fu llscale

setting, and d isplay increment setting for the oxygen chann el.



option.


oxygen channel (in th is exam ple OXY).

3. Press the POWER/ ENTER button. The oxygen target gas label

flashes. This indicates that this setting can now be upd ated .


oxygen target gas labels (OXY, ***, and NOT USED ).

CAUTION:The *** sett ing is not intended for customer setup. Contact RKI

Instruments, Inc., before using this sett ing for the oxygen

channel.


6. To exit the Gas Combinations menu , press the SHIFT/button

until the prom pt is next to Chann el 4, then p ress the SHIFT/

button again. The ESCAPE message displays.7. Press the POWER/ ENTER button. The SAVING DATA message

displays, then the m ain menu d isplays.

Updating the fullscale setting


then p ress the POWER/ ENTER button to up date the fu llscale

setting. The fu llscale setting flashes.

The maximum fullscale setting for the oxygen channel is 40.0

VOL%; the minimu m setting is 25.0 VOL%. The default setting is40.0 VOL%.


fullscale setting, then p ress the POWER/ ENTER button to enter

the setting. The prom pt flashes.

C H 4O Y

C OH 2 S

X>


35/85


Updating the display increment setting

1. Press the SHIFT/button to p lace the prom pt in the third line,

then p ress the POWER/ ENTER button. The d isplay increment

setting flashes. The allowable settings are 0.2 VOL% (defau lt) and

0.5 VOL%.

2. Press the AIR/ or SHIFT/button to d isp lay the d esired

d isplay increment setting, then press the POWER/ ENTER buttonto enter the setting. The p rompt flashes.



2. Press the POWER/ ENTER button to save the new settings. The






Updating toxics channel settings

This section describes how to update the target gas label, set a custom

gas label, and update the fu llscale and d isplay increment settings for a

toxic gas channel.



option.

2. Press the POWER/ ENTER button to display the Gas

Combinations menu.


toxic gas channel (in th is example H2S or CO).

4. Press the POWER/ ENTER button. The toxic target gas label

flashes. This indicates that this setting can now be upd ated .

C H 4O Y

C OH 2 S

X>


36/85



target gas labels for the toxic gas chan nel (H2S, CO, SO2, Cl2,

NH3, CO2 (5.00%), CO2 (10000 PPM), CO2 (5000 PPM), ***, and

NOT USED ).


If you entered a label other than ***, continu e with step 7. If you

entered ***, go to the next section, Setting a custom target gas label.7. To exit the Gas Combinations menu , press the SHIFT/button



8. Press the POWER/ ENTER button. The messageSAVING DATAd isplays, then the m ain menu d isplays.

Setting a custom target gas label

1. With the prom pt next to the target gas label setting (***), press the

POWER/ ENTER button . The first asterisk flashes.


character. Available characters are A through Z, 0 through 9, and a

blank space.

3. Press the POWER/ ENTER button to enter the d isplayed character.

The next character flashes.

4. Repeat steps 2 and 3 to enter the remaining characters. When you

enter the last character, the p rompt flashes.

Updating the fullscale setting


then press the POWER/ ENTER button . The fullscale setting

flashes.

The maximu m fu llscale setting for a toxic gas chan nel is 1000 PPM;

the m inimum setting is 1.00 PPM. The default setting is 10.0 PPM.2. Press the AIR/ and SH IFT/buttons to d isplay the d esired

fullscale setting, then p ress the POWER/ ENTER button to enter

the setting. The prom pt flashes.

NOTE: The display increment setting au tomatically updates its

default setting as you change the fullscale setting.

* * *

1. P

00

>

0P M

1. P P M


37/85


Updating the display increment setting

1. Press the SHIFT/button to p lace the prom pt in the third line,

then p ress the POWER/ ENTER button. The d isplay increment

setting flashes.

The minimu m d isplay increment setting is 0.1 PPM; the maximum

display increment setting is 2.5 PPM.

2. Press the AIR/ and SH IFT/buttons to d isplay the d esiredd isplay increment setting, then press the POWER/ ENTER button

to enter the setting. The p rompt flashes.



2. Press the POWER/ ENTER button to save the new settings. The






Updating Combustible Gas Channel Units of Measure

This setting allows you to d isplay the combu stible gas reading in

percentage of LEL or percentage of volume. The d etection ran ge

remains the same. If 100% LEL equals 5% by volume, then fullscale onthe volum etric d isplay is 5%.

1. From the main menu, select the LEL% OR VOL% (HC) menu

option.

2. Press the AIR/ or SHIFT/button to d isp lay the desired setting.

NOTE: The data logging op tion logs all combustible gas readings in

LEL% regard less of this setting.

3. Press the POWER/ ENTER button to enter the setting and return tothe main m enu.

% O R O %LL E L V ( H C )

%L E L


38/85


Updating the Alarm Point Settings

Each of the Eagles gas detection channels includ es low and high gas

alarms. The combu stible gas channel also includes low and high

alarm s for PPM read ings; the toxic gas channels also includ e STEL

and TWA alarms.

This screen allows you to up date one or m ore alarm points (the

reading at w hich the Eagle recognizes the alarm ).1. From the main menu, select the ALARM POINTS menu op tion.

2. Select the channel of the alarm p oint you w ant to upd ate. The

channels Set Low Alarm Point screen d isplays (in this examp le for

the combu stible gas channel).

NOTE: The Eagle d isplays the set alarm point screens for each

channel in the following sequ ence: low alarm , high alarm,

TWA alarm (toxics only), and STEL alarm (toxics only).

If this is the alarm p oint you w ant to update, continu e with step 3. Ifnot, continu e pressing the POWER/ ENTER button until the correct

set alarm point screen displays, then continu e with step 3.

3. Use the AIR/ and SHIFT/buttons to display the d esired

setting.

4. Press the POWER/ ENTER button to enter the new alarm p oint

and scroll to the next set alarm p oint screen. (Repeat step 3 and 4

to up date another alarm p oint for this chann el.)

5. Press the POWER/ ENTER button to scroll to the last set alarm

point screen for this channel, then p ress the POWER/ ENTERbutton again to return to the Set Alarm Points menu.

6. Repeat steps 2 through 5 until all desired alarm p oints are

up dated. Make sure you return to the Set Alarm Points menu to

continue.

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39/85


7. To exit the Set Alarm Points menu , press the SHIFT/button u ntil

the p rompt is next to Channel 4, then press the SHIFT/ button

again. The ESCAPE message displays. (Press the AIR/ button ifyou want to return to the Set Alarm Points menu .

8. Press the POWER/ ENTER button to save the settings and return

to the main m enu.

Updating the Eagles Serial NumberEvery Eagle is programm ed with a unique serial nu mber. The Data

Logging op tion includ es the serial nu mber in its log data for

identification p urposes. The serial number setting accepts numeric (0

through 9) and alpha (A through Z) characters.

NOTE: The serial num ber is factory set and should not need to be

changed . How ever, if you reset all defaults, the serial

nu mber is reset to ******.

1. From the main menu, select the SERIAL NO. menu option.


character, then p ress the POWER/ ENTER button to enter the

character. The next character flashes.

3. Repeat step 2 to enter the remaining characters. The main menudisplays after you enter the last character.

Updating the Lunch Break Setting

With Lunch Break OFF (defau lt), the Eagle au tom atically starts new

TWA and PEAK reading collection at star t up.

With Lunch Break ON , the RESUME screen d isplays du ring start up .

From this screen, you can choose to continu e accumulating TWA and

PEAK readings from the last time the Eagle was used or start

collecting new readings.

1. From the main menu, select the LUNCH BREAK menu option.

S E

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# # #

H R

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40/85




the main m enu.

Updating the Alarm Latching Setting

With Alarm Latching ON, the Eagle remains in alarm condition u ntil

the alarm cond ition passes andthe RESET/ SILENCE is pressed .

With Alarm Latching OFF, the Eagle automatically resets its alarm

when the alarm cond ition p asses.

1. From the main menu, select the ALARM LATCHING menu

option.



the main m enu.

Updating the Alarm Silence Setting

NOTE: This feature works only when Alarm Latching is turned on.

With Alarm Silence ON , pressing th e RESET/ SILENCE bu tton

silences the bu zzer w hen the Eagles goes into alarm. The LEDs

continu e to flash, and the d isplay continu es to show the level of

alarm. When the gas concentration falls below the low alarm level,pressing the RESET/ SILENCE button turns off the LEDs and removes

th e ALM1 message.

With Alarm Silence OFF, you cannot silence the buzzer.

1. From the main menu, select the ALARM SILENCE menu op tion.



the main m enu.

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A N G

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41/85


Turning the User ID Function On or Off

With User ID Inpu t ON , the User and Station ID screen d isplays

during start u p. From this screen, you can enter u ser, location, or other

inform ation at the beginning of each gas d etection session (see

page 19).

With User ID Input OFF (default), the User and Station ID screen

does not display du ring start up .1. From the main menu, select the USER ID menu option.



the main m enu.Updating the Auto Calibration Settings

The Eagle stores defau lt calibration settings. This allows you to

calibrate a ll Eagle channels simu ltaneously w ith a calibration cylind er

that contains all required target gases (for example the RKI four-gas

calibration cylinder).

The Eagle includ es default auto calibration settings for m ost target

gases. For gases withou t defau lt auto calibration, the setting is 0.

NOTE: You can also up date au to calibration settings in Calibrationmode. If you upd ate auto calibration settings in Calibration

mod e, you mu st continue w ith the calibration procedure.

Upd ating these settings in Setup mod e allows you to upd ate

the settings withou t calibrating the sensors.

1. From the main menu, select the AUTO CALIBRATION menu

option. (To d isplay the combustible gas channel in PPM, press the

LEL/ PPM button.)

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42/85


2. Press and h old the SHIFT/button, then press the DISP/ ADJ

bu tton. The Au to Calibration screen for the combustible gas

channel displays.


4. Press the POWER/ ENTER button to enter the new setting. The

Auto Calibration screen for the next chan nel d isplays.

5. Repeat steps 4 and 5 for the remaining channels. (You m ust scroll

throu gh all remaining channels before you can exit the Auto

Calibration screen.)

6. When the Auto Calibration screen for the last chann el d isplays,

press the POWER/ ENTER button to return to the main Auto

Calibration screen.

7. Press the POWER/ ENTER button to return to the main m enu.

Updating the Back Light Setting

This setting ind icates the length of time the LCD illum inates wh en

you press any bu tton. The m inimu m setting is off; the m aximu m

setting is 10 minu tes. The default setting is 15 seconds.

1. From the main menu, select the LCD BACK LIGHT TIME menu

option.


setting.


the main m enu.

Turning the Auto Fresh Air Function On or OffWARNING: If Auto Fresh Air Adjust is ON, you must start t he Eagle

in a fresh-air env ironment. If this sett ing is O N and

the Eagle is s tarted in the presence of a t arget gas, the

readings and alarms w ill not be accurate or reliable.

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43/85


With Auto Fresh Air Adjust ON , the Eagle au tomatically set the fresh

air read ing for all chan nels du ring the start-up sequence.

With Au to Fresh Air Adjust OFF (default), you m ust press the AIR/

bu tton to set the fresh air read ing for all channels.

1. From the main menu, select the AUTO FRESH AIR AD J. menu

option.



the main m enu.

Updating the Interval Time Setting (data log option)

This setting ind icates how often the Eagle records readings into theData Logger. The m inimum setting is 10 seconds; the m aximum

setting is 5 minutes. The default setting is 5 minu tes.

1. From the main menu, select the INTERVAL TIME menu option.

2. Press the AIR/ and SH IFT/buttons to d isplay the d esiredsetting.


the main m enu.

Updating Log Data Over Write Setting (data log option)

With Data Over Write ON, the Eagle writes over the oldest data w ith

new data wh en the Data Logger memory is fu ll.

With Data Over Write OFF, the Eagle stops w riting data w hen the

Data Logger mem ory is fu ll.

S D

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44/85


1. From the main menu, select the LOG DATA OVER WRITE menu

option.

2. Press the AIR/ or SHIFT/button to d isp lay the desired setting.3. Press the POWER/ ENTER button to enter the setting and return to

the main m enu.

Updating the Time Calibration Setting (data log option)

This setting ind icates how often the Eagle alerts you to needed

calibration. The m inimum setting is 1 day; the maximu m setting is 180

days. The d efault setting is off.

Tip: Press and hold the AIR/ or SHIFT/bu tton to rap idly scroll

through settings.

1. From the main menu, select the TIME CALIBRATION menu

option.


setting.


the main m enu.

Updating the Date and Time Settings (data log option)

The Data Logger u ses the data and time to identify entries.

1. From the main menu, select the DATE/TIME menu op tion.

2. Press the AIR/ or SHIFT/button to d isplay the desired month.

RL AE TGG

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O V E R W R I

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R 9 9 81 3 0


45/85


3. Press the POWER/ ENTER button to enter the setting. The day

setting flashes.

4. Repeat steps 2 and 3 to enter the day, year, hours, and minutes

settings. The m ain menu d isplays after you enter the minu tes

setting.

Updating the Zero Follow Settings

The Zero Follow setting is not intend ed for custom er setup . Thedefau lt setting for most target gases is ON . The d efau lt setting for

carbon dioxide sensors and som e configurations of non -stand ard toxic

gas sensors is OFF. The oxygen sensor d oes not includ e this feature.

CAUTION:Contact RKI, Instruments Inc., before changing this sett ing.

Updating the Confirmation Beep Setting

With Confirmation Beep ON , the Eagle beeps once every 15 minutes

to verify that it is opera ting.

With Con firm ation Beep OFF (defau lt), the Eagle does not sou nd a

confirmation beep.

1. From the main menu, select the CONFIRMATION BEEP menu

option.



the main m enu.

Returning to Default Settings

Each of the p aram eters in Setup mod e has a d efau lt setting. The Eagle

includ es three d ifferent op tions for return ing d efau lt settings: reset all

defau lt settings, reset the defau lt alarm point settings on ly, and reset

the d efau lt oxygen zero setting only.

CAUTION:If you resetalldefault sett ings, any changes made in setup

mode or normal operation, including calibration settings, will be

lost.

A E

F

M NT II R ON

F

O PEFC

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B


46/85


To reset all default settings:

1. From the main menu, select the DEFAULT menu option.

2. Press the POWER/ ENTER button to d isplay the Set Default All

screen.

3. Press the AIR/ button to reset all param eters to their defau lt

settings. The messages SAVING DATA and END display, then themain m enu displays.

To reset all defaul t alarm point settings:

1. From the main menu, select the DEFAULT menu option. The Set

Default All screen displays.

2. Press the DISP/ ADJ button to display the Set Default Alarmscreen.

3. Press the AIR/ button to reset all alarm p oints to their defau lt

settings. The messages SAVING DATA and END display, then the

main m enu displays.To reset the oxygen zero setting:

1. From the main menu, select the DEFAULT menu option. The Set

Default All screen displays.

2. Press the DISP/ ADJ button. The Set Default Alarm screen

displays.

3. Press the DISP/ ADJ button to display the Set Default Oxygen Zero

screen.

4. Press the AIR/ button to reset the oxygen zero setting to its

default value. The m essages SAVING DATA and END d isplay, thenthe main menu d isplays.

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X EO O


47/85

Eagle Instruction Manual Calibration 41

Calibration

Calibrate the Eagle when you replace a sensor. Also calibrate th e Eagle

periodically to assure prop er sensor response.

You can program the Eagle to notify you w hen it is due for calibration

(see Upd ating the Time Calibration Setting on p age 38). The

frequency of calibration d epend s up on the am oun t and type of use. Atyp ical calibration frequency is once per m onth .

Calibration Supplies and Equipment

To calibrate the Eagle, you need :

Known calibrating samples of combustible and the appropriate

toxic gases. The sam ples shou ld h ave concentrations in

approximately the midd le of the range of detection.

An oxygen-free source, such as 100% nitrogen or CO in a nitrogen

balance

A demand -flow regulator to provide adequate samp le gas flow

For one-source, au to-calibration, you can use the RKI Four-Gas

Cylind er to ad just all the sensors at the same time, autom atically, with

no n eed for a zero-oxygen sou rce. This section includes instru ctions

for calibration w ith the deman d-flow regu lator and RKI Four-Gas

Cylind er. This section also includes inst ructions for calibra tion w ith

individual gas sources.

Preparing for Calibration1. Take the Eagle to a non-hazardous location w ith fresh-air

conditions.

2. Turn on the Eagle and allow one minute for warm u p.

3. Press and hold the AIR/ button u ntil a tone soun ds.

The Eagle au tomatically sets the combu stible gas an d toxics

circuits to zero and the oxygen circuit to 20.9%.

4. Screw the regulator to the calibration cylinder.

5. Connect the calibration tubing to the regulator.


48/85

42 Calibration Eagle Instruction Manual

Calibrating the Eagle

Press and hold the SHIFT/button, then press the DISP/ ADJ bu tton.

The Calibration menu d isplays.

NOTE: The following screens illustrate a four-gas Eagle with the d ata

logging op tion and are intended as examp les only. Your Eagle

may d isplay slightly d ifferent screens.

The Eagles Calibration m enu includes two method s of calibration:

Auto Calibration an d Single Calibration.

Auto Calibration: This method allow s you to calibrate all four

sensors simu ltaneously. It is designed for use w ith the RKI Four-

Gas Calibration Cylind er and is the qu ickest and easiest method tocalibra te the Eagle.

Single Calibration: This method allows you to calibrate one sensor

at a time. Use this method if you are only calibrating one or tw o

sensors, if you are calibrating non-stand ard toxic sensors, or if you

are not u sing the RKI Four-Gas Calibration Cylind er.

Calibrating with the Auto Calibration method

This section d escribes calibration u sing the Au to Calibration m ethod .

To calibrate using the Single Calibration m ethod , see Calibratingwith the Single Calibration method on page 44.

1. Use the AIR/ and SHIFT/button to place the promp t next to

th e AUTO CALIBRATION menu op tion.

2. Press the POWER/ ENTER button to display the Calibration

Values screen.

The gas concentrations d isplayed in the Calibration Values screen

must match the gas concentrations listed on the Four-Gas Calibration

Cylind er. Ifall concentrations m atch, go to step 7. Ifone or more

concentrations do not match, continu e with step 3.

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49/85

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Eagle Monitor Manual

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