EC-20, EC-10 and EC-5 User’s Manual
4. Collecting Data
12
only wastes battery power, but may, under certain cir-
cumstances, cause the sensor to exceed government
specified limits on electromagnetic emissions.
Connecting to a Datalogger
Connect the wires to the datalogger as shown, with the
supply wire connected to the excitation, the analog out
wire to an analog input, and the bare ground wire to
ground:
Fig. 5: Datalogger configuration
Sample Program
The following program is an example that can be used
with Campbell Scientific’s CR10X datalogger and our
EC-20, EC-10 & EC-5 sensors at a 2500mV excitation:
;{CR10X}
; Example ECH2O Datalogger Program for CR10X
; Wiring:
Exc.
H
LG
Supply
Analog
out
Ground
Datalogger
Analog
In
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