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3.
Operating Instructions
3.1
Principle of Operation
The Compur gas generator is a device to check the proper function of gas detectors. The
instrument contains a gas specific generator cell. Depending on the type of gas, the generator
will produce, either electrochemically or thermally, a gas concentration above the TLV
1
-level.
The response of a gas detector can be checked with the small gas concentration produced by
the gas generator. However, since the gas generator does not produce a certifiable known gas
concentration, it is not suitable for detector calibration.
3.2
How To Run a Gas Test
• Insert the sensor of the gas detector into the adapter of the gas generator.
• When the detector is pressed down, the generation of gas starts automatically. If you want
to test the Compur Monitors gas detectors Monitox plus or Dositox, please use the switch
pin extension included with the generator. Compur gas detectors Monitox S/SD and
Minitox are tested without extension. If you want to check gas detectors of other
manufacturers, please check whether it works with or without the switch pin extension.
• The gas generator will produce gas for a period of 10 seconds. During gas generation, the
green LED will turn on. If the red LED illuminates, the battery needs replacement.
Note:
) If the generator cell is exposed to low humidity, it may dry out. Therefore, please cover the
generator with the included humidity cap. Make sure the sponge inside the cap is always
moist, but not dripping wet.
Do not store or use a Compur gas generator in classified areas.
1
TLV = Threshold Limit Value
9