Removing and fastening the probe, Fixed probe model, Figure 14 – Vaisala HMT120 User Manual
Page 50: Removing the humidity probe (fixed probe model)

User's Guide _______________________________________________________________________
48 ___________________________________________________________________ M211244EN-B
Removing and Fastening the Probe
Fixed Probe Model
Remove and replace the probe as follows:
1.
Loosen the metal locking bushing by carefully turning it counter
clockwise.
2.
Remove the probe from the transmitter by pulling it gently
downwards.
3.
Attach the new probe to the four pin M8 panel connector at the
transmitter (only one position possible).
4.
Tighten the locking bushing to the M8 panel connector by turning
it clockwise.
1011-153
Figure 14
Removing the Humidity Probe (Fixed Probe Model)
The following numbers refer to Figure 14 above:
1 = Locking bushing
2 = Holder bushing (attached permanently to the probe)
3 = HMP110 probe
1
3
2