Figure 11 Dimensions Of Hmp110 Probe With Duct Installation Kit - Vaisala HMT140 User Manual

To attach the probe assembly to the duct:
1. Drill the holes for the duct installation kit as follows:
• Use a 24-mm (0.9-in) drill bit to drill a hole in the wall.
• Use a 3.2-mm (0.1-in) drill bit to make 4 holes for the installation screws (four
ST4.2×16-C-Z DIN 7981 screws). The holes should be arranged in a square around the
24-mm (0.9-in) hole, at a distance of 42 mm (2 in) 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.
20
[0.79]
59 [2.3]
42 [1.7]
Figure 11 Dimensions of HMP110 Probe with Duct Installation Kit
1 Mounting screw
2 Tension screw
3 HMP110 assembled in duct installation
kit plastic pipe
6
[0.24]
205 [8.1]
266 [10]
Chapter 3 – Installation
mm
[in]
23