Campbell Scientific 380, 385, 380M, 385M Met One Rain Gages - Manual (Page 12)

Met One Rain Gage Models 380 and 385
Funnel
Heater
(240w)
Rain guage
Base
Conduit
Power Cable
Connection
Base
Heater
(75w)
Watertight
Cable
Clamp
Black (Hot)
White
(Neutral) Green
(Ground)
110 VAC 50/60 HZ
Protected by
15AGFI Circuit
Breaker
FIGURE 3-5. Connecting Heater Wires
4. Wiring
Disconnect heater power before attempting to service
or repair this equipment. Failure to do so may result in
personal injury or death due to electrocution. WARNING
The BLACK (Signal) lead connects to a pulse channel. The WHITE (Power
Ground) connects to ground channel. The CLEAR (shield) lead connects to
ground channel. Refer to Table 4-1 for the wiring of your datalogger. The
purpose of the shield wire is to drain any charges built up in the cable due to
transients etc.
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