User Manual
5
4.
Connect the three cables to the bottom of the electronics box around the U-
bolt on the rain shield (see Figure 3). If there is not enough room for the
connectors around the U-bolt, make sure the electronics box is mounted at a
highest possible position (see step 2).
Figure 3. Attaching cables to the electronics box.
5.
Place the front cover back on the rain shield and tighten the two pan-head
screws to secure it in place.
6.
Gather any loose cables and tie them up, using cable ties, onto the tripod or
tower mast.
4. Wiring
The KH20 sensor is shipped with a power/signal cable with a 25 ft standard lead
length. Table 1 shows the connections for the KH20 to the CR1000, CR3000, and
CR5000.
Table 1. Datalogger Connections for Differential Measurement
Function
Wire Colour
CR1000/CR3000/CR5000
KH20
White
Differential Input (H)
KH20 Signal -
*Black
Differential Input (L)
KH20 Power +
Red
12V
KH20 Power -
Black (from Red/Black set)
G
Shield Clear
*Jumper to
with user supplied wire