Vaisala HMT310 - Manual (Page 26)

User's Guide _______________________________________________________________________
26 ___________________________________________________________________ M210619EN-E
General Instructions for Probes with Cable
It is recommended that the probes with a cable are mounted with the
probe horizontal; this way, any water condensing on the tube cannot
flow onto the sensor.
0507-024
Figure 7 Horizontal Mounting of Probe
The following numbers refer to Figure 7 above:
1 = To be sealed
2 = To be insulated
3 = Insulate
4 = Let the cable hang loosely. This prevents condensed water
running to the sensor along the cable.
When there is no alternative but to install the probe in the process
vertically, the point of entry must be carefully insulated. The cable must
also be allowed to hang loosely as this prevents any condensed water
from running onto the probe along the cable.