3. Remove the filter to access the sensors.
1 Vaisala HUMICAPâ sensor. Handle by
the plastic frame.
2 Temperature sensor. Do not touch or
attempt to remove.
3 Sensor socket.
4 Transmitter probe.
4. Pull out the old HUMICAPâ sensor, and insert the new one.
5. Perform a two-point humidity calibration on the serial line using the FCRH command.
6. Insert the new filter.
7. Duct models only: push the probe back into the duct, to the same depth where it was
before. Tighten the tightening screw on the fastening flange.
8. Power up the transmitter.
More Information
‣
Two-Point Humidity Calibration and Adjustment Using Computer and HMK15 Humidity
Calibrator (page 59)
HMDW110 User Guide M211726EN-D
66
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