Chapter 5 _______________________________________________________________ Maintenance
VAISALA ________________________________________________________________________ 65
Repair Maintenance
Changing the INTERCAP® Sensor
(HMP60 and HMP63)
This procedure restores the humidity measurement accuracy of the probe.
No adjustment after the sensor change is needed.
To perform this procedure, you need a new INTERCAP® sensor. It is
also recommended that you replace the filter with a new one. For order
codes, see section Options and Accessories on page 74.
1. Remove the filter from the probe by turning it counter-clockwise.
2. There are two sensors under the filter, the INTERCAP® sensor and
a temperature sensor. Identify the INTERCAP® sensor – do not
touch the temperature sensor.
1210-035
Figure 26 INTERCAP® Sensor
3. Pull out the old INTERCAP® sensor and insert a new one. Refer to
Figure 27 below. Handle the new sensor by the plastic frame.
DO NOT TOUCH THE SENSOR PLATE.
1210-034
Figure 27 Removing the Sensor
4. Attach a new filter on the probe.
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