Vaisala SHM40 - Manual (Page 26)

USER'S GUIDE____________________________________________________________________
24 __________________________________________________________________ M211423EN-B
6. Clean the concrete dust at the bottom of the tube using a vacuum
cleaner.
7. Now you have a clean borehole that reaches to the correct depth,
and a plastic tube in it. Continue from section Inserting the Probe
and Sealing the Hole on page 24.
Inserting the Probe and Sealing the Hole
1. Press a protective cover (19268HM) on the plastic tube and turn it
so that it slides down freely. Press the protective cover against the
concrete surface so that the sealing compresses slightly. Turn the
cover 90° to lock it in place.
1111-131
Figure 9 Locking the Cover in Place
2. Insert the HMP40S probe into the tube and keep inserting the cable
until the probe touches the bottom. Seal the tube with the rubber
plug on the cable. See Figure 10 on page 25.