Sensor Connections - Hach POLYMETRON 9125 Operator's Manual

Transmitter 9125 – Conductivity / resistivity measurement

Sensor connections

Page 22
The conductivity sensors have a double shielding, the
first one is connected the CPU board, the second one
(external) is connected to earth on the shielded plate.
Execute the connections according to the following
table :
Kohlrausch
TEMP+ blue
TEMP- black
white
IN
OUT red
GND internal
shield
external
shield
Use only Hach Ultra Analytics supplied cables.
Using other types of cables does not ensure the
conformity to the electromagnetic compatibility
standards.
Inductives
green
yellow
white
brown
internal shield
(X2)
external
shield