Temperature and Humidity Sensor
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700-THS3 Rev. 6 -05 May 2015
2.3.1
Inspecting and Replacing the Filter
To inspect the THS-3 filter, you must first remove the sensor from the housing assembly.
a)
Remove any cable ties which will prevent the sensor from being removed from the
housing being careful not to damage the cable
b)
Use a 5/8” Allen key to remove the three bolts securing the base of the sensor to
the base plate of the housing assembly.
Figure 2-4: Sensor base showing bolts
c)
Gently remove the sensor and inspect the filter for cleanliness.
d)
If the filter requires replacing, unscrew the white filter and replace it with a new
one, being careful not to touch or contaminate the inner sensors.
Figure 2-5: THS showing filter on and filter off
e)
Replace the sensor in the housing assembly, tightening all bolts and replacing
cable ties as necessary.
Filter
Sensor base with bolts
