AreaRAE Plus & AreaRAE Pro User’s Guide
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6. Press [Y/+] to start calibrating. You can abort the calibration at any time during the countdown by
pressing [N/-].
After a timer countdown, the span calibration is done. The LCD will display whether the calibration was
successful and the reading for that calibration gas.
Note: If the sensor calibration fails, try again. If calibration fails repeatedly, the sensor(s) should be
replaced. Replace the sensor.
WARNING: Do not replace sensors in hazardous locations.
Battery Replacement
The battery (W01-3007-000) is located in a bay in the lower half of the PGM-65XX’s back. Changing the
PGM-65XX battery pack requires a Philips screwdriver. To replace the battery:
1. Turn the instrument off.
2. Remove the filter from the front of the instrument.
3. Place the instrument face-down on a soft surface.
4. Remove the four screws that hold the battery.
5. Use your fingers to lift the battery out (there are indents at each end).
6. Slide a new battery into place.
7. Tighten the four screws.
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