Analytical-industries GPR-2000 ATEX Portable Oxygen Analyzer Manuel d'utilisateur télécharger pdf (Page 27)

Advanced Instruments Inc.

Warning indicators:

An LED indicator located on the front panel will light continuously during the CHARGE cycle. A second LED indicator located on

the front panel provides a blinking 72 hour warning LOW BATT of the need to recharge the battery. Caution: Operating the

analyzer beyond this 72 hour warning may permanently damage the battery.

7 Spare Parts

Recommended spare parts for the GPR-2000 Series Portable Oxygen Analyzer:

Item No. Description

GPR-11-32-RT Oxygen Sensor

GPR-11-21-RT Oxygen Sensor

XLT-11-24-RT Oxygen Sensor

Other spare parts:

Item No. Description

A-1163 Battery Assembly (GPR-2000 only)

A-1157 Battery Assembly (GPR-2000P general purpose integral sampling pump)

A-1158 Battery Assembly (GPR-2000P intrinsically safe integral sampling pump)

FLTR-1002-1 Coalescing Filter

FLTR-1004-1 Coalescing Filter replacement element

FLTR-1001 Filter (GPR-2000P)

A-2420 Flow Through Adapter Assembly

A-2568 Housing Flow Through 1/8” SS Tube Fittings

MTR-1009 Meter Digital Panel LCD

A-1151-E-2 PCB Assembly Main / Display

PWRS-1002 Power Source Plug-in 9VDC 110V Battery Charger

PWRS-1003 Power Source Plug-in 9VDC 220V Battery Charger

A-2166-2 Pump Assembly

A-2166-4 Pump Assembly Heavy Duty

A-2166-5 Pump Assembly Intrinsically Safe Design

8 Troubleshooting

Symptom Possible Cause Recommended Action

Reading does not reflect

expected values

Sensor was not calibrated at the pressure,

flow rate and temperature anticipated in the

sample gas stream

Recalibrate the analyzer

Oxygen reading drifts toward

zero

Indication sensor is nearing the end of its

useful life

Replace sensor, see section 6 Maintenance

Slow response time

Erratic oxygen reading

No oxygen reading

Liquid covering sensing membrane

Presence of interference gases

Unauthorized maintenance

Defective electrical connection

Sensor failure

Gently remove with damp lint free towel.

Consult factory

Replace sensor and/or consult factory

High oxygen reading Inadequate control of flow rate

Abnormality in span gas

See Pressure and Flow

Qualify source

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Analytical-industries GPR-2000 ATEX Portable Oxygen Analyzer Manuel d'utilisateur Page 27

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