User manual

HC2S3 Temperature and Relative Humidity Probe
8
7.2 Assembly and Mounting
Attach the probe to the cable by aligning the keyed connectors, pushing the
connectors together and tightening the knurled ring.
When exposed to solar radiation the probe must be housed in a radiation shield
such as the MET20 or MET21 naturally aspirated shield, or the 43502 motor
aspiration shield (please refer to the 43502 product manual for details). The
MET20/21 Radiation Shield has a V-bolt for attaching the shield to a tripod
mast/tower leg.
To install the probe inside the Radiation Shield, the nut on the base on the shield
should be loosened. Insert the probe into the radiation shield leaving about 5 cm
for the Met20 shield (2 cm for the Met21) exposed below the nut, then tighten
the nut. Route the cable to the datalogger, and secure the cable to the shield arm
and mounting structure using cable ties.
Figure 7-1. HC2S3 and Met20 Radiation Shield on a vertical pole