T2A Transmitter • 33
Sensor Replacement
RKI recommends replacing the sensor element whenever a slow response to gas is observed
during the normal calibration process. After replacing the sensor element, the device MUST
be zeroed and calibrated for proper operation of the device.
WARNING: Do not remove the sensor housing cap or enclosure lid while the circuits are
energized unless the area is determined to be non-hazardous. Keep the sensor
housing cap and enclosure lid tightly closed during operation.
CAUTION:
The internal components can be static sensitive. Use caution when opening the
enclosure and handling internal components. DO NOT use any metal objects or
tools to remove the sensing element from the sensor adapter board.
1. Turn off power to the T2A.
2. Unscrew the rain guard.
3. Unscrew and remove the sensor housing cap from the sensor housing base. Set aside.
4. Gently unplug the sensor element from the sensor housing board.
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