Vaisala HMP60 Podręcznik Użytkownika Pobierz pdf (Strona 25)

Chapter 3 ________________________________________________________________ Installation

VAISALA ________________________________________________________________________ 23

Drilling Instructions for Duct Installation Kit

0505-178

Figure 19 Drilling Instructions

The following numbers refer to Figure 19 above:

Mounting screw

Tension screw

Probe assembled in duct installation kit plastic pipe

Drill the holes for the duct installation kit as follows:

1. Use a 24-mm drill bit to drill a hole to the duct wall for the

humidity probe.

2. Drill holes for the duct installation kit mounting screws around the

hole in a square arrangement, 42 mm apart from each other. Use a

3.2-mm drill bit to drill the holes for the mounting screws

(four ST4.2×16-C-Z DIN 7981 screws).

Ø24

Ø3.2

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Vaisala HMP60 Podręcznik Użytkownika Strona 25