GasAlertMicro 5/PID/IR
User Manual
62
If all sensors fail the span, the following screen displays.
1. Ensure the regulator valve is open and that the gas cylinder
is not past the expiration date. Replace the gas cylinder and/
or regulator if required.
2. Replace the sensor(s) and sensor filter if required.
3. Press
A
to exit and then calibrate again in a safe area that
is free of hazardous gas in an atmosphere of 20.9% oxygen.
4. If the span fails a second time, reactivate the detector to test
the sensors.
If all sensors fail the span, the calibration due dates cannot be reset. The
following screens display.
No Gas Detected
If the detector does not detect any gas within 30 seconds, the following
screens display.
1. Ensure the regulator valve is open and the calibration hose is
free of debris.
2. Replace the gas cylinder and/or regulator if required.
3. Replace the sensor(s) and sensor filter if required.
4. Press
G
to reapply gas or press
H
to end the span.
Did Not Reach Target Span
If the target span was not achieved, as defined in the
option, the following screens display.
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