Toxics sensors, Sensor replacement – RKI Instruments GX-94 User Manual
Page 46
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Page 45
GX-94 Operator’s Manual
Toxics Sensors
Replace the sensor when:
1. The detection circuit cannot be calibrated correctly.
2. The display does not show 00 immediately after the start-up
sequence and cannot be set to zero by the Demand Zero com-
mand.
Note
Allow up to 1/2 hour after the toxics sensors have been
replaced to show a normal response, then calibrate.
Sensor Replacement
Figure 5: GX-94 Sensors
Oxygen Sensor
GX-94 Shown w/out
Top Case
H2S Sensor
C O Sensor
Sensor Gasket
Combustible (HC) Sensor
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