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7
Detection
User Manual Single Gas Detector PDM
D e t e c t i on
3.3. ALARMS / BATTERY / TEST FAILURE DISPLAY
When a gas concentration exceeds alarm set points, or will be displayed and the device will
vibrate, ash its LEDs, and beep. To stop alarms, evacuate immediately to a clean air location.
When bump test or calibration failed,
will be displayed and the PDM will beep intermittently.
Alarm Alarm standard LCD Display Alarm and Vibration
Low alarm Gas concentration
exceeds low alarm
threshold
+ concentration
High alarm Gas concentration
exceeds high alarm
threshold
+ concentration
Remaining Life Less than 30 days
End of life Past 24 months Lifetime is over. Replace PDM.
Test Failure Failure of sensor test,
calibration or self-test
Battery Low
Bump Test Due Bump test period Press the button to turn o the alarm
Calibration Due Calibration period Press the button to turn o the alarm
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