Vaisala HMT120 - Manual (Page 18)

User's Guide _______________________________________________________________________
16 ___________________________________________________________________ M211244EN-B
Installation with Radiation Shield
DTR504 with probe installation kit includes a rain/solar radiation shield
DTR504 and a plastic installation support for the humidity probe. Vaisala
order code: DTR504A. If you already have the DTR504 shield and need
only the installation support for the probe, it is available with Vaisala
order code 227777.
1. Fasten the probe (item 2 in Figure 5 below) to the installation
support with a cable tie (item 5).
2. Insert and attach the support to the radiation shield by tightening
the plastic nut (3).
3. Attach the entire radiation shield/probe assembly to a pole mast
(pole mast diameter: 30 ... 60 mm/1.2 ... 2.3") with a U-bolt and a
support arm.
1303-034
Figure 5 Installation of the Probe with Radiation Shield
The following numbers refer to Figure 5 above:
1 = DTR504
2 = Probe
3 = Plastic nut
4 = Installation support (part no. 227777)
6 = Probe