PRECISE-LOG Data Loggers User’s Manual
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Input Impedance:
> 1 Mohms
Over-voltage protection:
+/- 40 VDC
PL-C/PL-CW
(WIFI enabled)
– Current Inputs
A PL-C or PL-CW (WIFI enabled) logger has eight external current DC channels used to
measure single-ended current DC signals maximum of 50 mA. The following figure illustrates
the correct input connections:
Current External Input Connections
Note: All inputs must share the same common ground.
Channel and Sensor Specifications:
Connections:
Pluggable terminal block for eight external channels
Channels:
CH1 to CH8: Eight external current DC with software
programmable input range selections for each channel:
4-20 mA, 50 mA
ADC Resolution:
0.0018%
Accuracy:
+/- 0.1% FSR @ 25°C
Load Resistance:
12 Ohm
Over-current Protection
+/- 100 mA
