MetriCorr
Slimline series
–
ICL-C & MasterLink Operation Manual
7 | 54
2.2
ICL-C module connectors
The ICL-C module's endplate consists of five connectors for the ER probe connection, Line Current Sensor,
and Reference electrode to Pipe/structure measurement.
ER channel (1)
Resistance Range
150 m
Ω
Repeatability
0.2 µ
Ω
Precision
0.4 µ
Ω
Line Current channel (2)
Input voltage range DC
(Before clip)
± 1.2 V
Input voltage range AC
(Before clip)
845 mV
RMS
Target input range for
DC measurements
-20 mV
→
+20 mV
Resolution
0.2 µV
DC accuracy
± 1 µV
AC accuracy
± 4 µV
Input resistance
33 k
Ω
Terminal "
Pipe
"
–
Pipe/structure connection
Terminal "
Ref.
"
–
Reference Electrode connection
The voltage measurement between
"Pipe" and "Ref." is performed by both
channel 1 and channel 2.
Voltage measurement (both channels)
Input range (voltage)
± 100 V
Resolution (voltage)
1 mV
DC accuracy (voltage)
± 1 mV ± 0.3% reading
AC accuracy (voltage)
± 2 mV ± 1% reading
ER Probe Current measurement (channel 1)
Current range
± 300 mA
Resolution (current)
0.1 µA
AC accuracy (current)
± 4 µA ± 1% reading
DC accuracy (current)
± 1 µA ± 1% reading
Figure 3. ICL-C module