
GasAlertMicroClip
Maintenance
3. Remove the two screws on the PCB and remove
the PCB.
Table 11. Replacing a Sensor or Sensor Filter
Item Description
1 Front shell
2 LEL sensor
3 PCB
4 PCB screws (2)
5 Rear shell
6 Machine screws (6)
7 Sensor filter
8 O
2
sensor
9 H
2
S sensor
10 CO sensor
11 Sealing rib
Note
Ensure the battery does not get damaged once the
PCB is removed.
4. Remove the old sensor filter or slide/pull out the old
sensor(s).
5. Insert a new sensor filter or sensor(s).
Note
When inserting a new sensor filter, ensure the
white side is facing the sensors (i.e., the black side
is facing out).
Detectors that are configured for 1, 2, or 3 gases
may contain a dummy sensor in one of the four
sensor locations.
1. Deactivate the detector.
2. Remove the six machine screws on the rear shell
and remove the back cover.
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