PM150-CO2 Portable Gas Monitor
REV – 1.0
[34-2900-0211-5]
20
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P a g e
Figure 10-2
10.1
Sensor Replacement
1.
Move to a fresh air environment and power off the detector.
2.
Remove the back case by unscrewing the six (6) screws.
3.
Remove the two (2) screws on the PCB.
4.
Carefully replace with the new sensor provided by the authorized dealers or AimSafety. Ensure the
sensor pins match with the above image and the sensor is aligned with the PCB.
5.
Re- assemble the detector and power up the device.
6.
After power up is complete and the sensor readings have stabilized for at least three (3) minutes,
perform Zero (N2, 99.9%vol) calibration and Span (CO
2
) calibration.
Figure 10-3
10.2
Battery Replacement
1.
Move to a fresh air environment and power off the detector.
2.
Remove the back case by unscrewing the six (6) screws.
3.
Remove the two (2) screws on the PCB.
4.
Carefully unplug the battery from the PCB.
5.
Place the new battery in the battery protection case
Battery Specification: Rechargeable Li-ion (polymer) power supply unit (500mAh)
6.
Re-assemble the detector and power up the device.
7.
Before use, allow the detector to stabilize for three (3) minutes.
