Vaisala HMT140 Guide Rapide page 7

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Probe Assembly with Duct Installation Kit
1 Probe (HMP110)
2 Duct installation kit
3 Probe cable
To assemble the probe:
1. Pass the probe cable through the plastic pipe of the duct installation kit.
2. Connect the probe cable to the HMP110.
1 Mounting screw
2 Tension screw
3 HMP110 assembled in
duct installation kit
plastic pipe
To attach the probe assembly to the duct:
1. Drill the holes for the duct installation kit as follows:
Use a 24-mm drill bit to drill a hole in the wall.
•
Use a 3.2-mm drill bit to make four holes for the installation screws (four
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ST4.2×16-C-Z DIN 7981 screws). The holes should be arranged in a square
around the 24 mm hole, at a distance of 42 mm from each other.
2. Mount the probe holder using the screws.
3. Adjust the depth of the plastic pipe and tighten the screw to lock the probe in
place.
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