Delta OHM HD3406.2, User Manual, Page: 21 / 44

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The wires coming from the conductivity/Pt100 temperature combined probe are welded directly on
the connector as reported in the following table:
Sensor Direct connection to the connector Jumper
2-electrode
conductivity
probe
Pt100 tempera-
ture sensor
Pt100
Internal view of the connector
Jumper between
pins 1 and 4
Jumper between
pins 2 and 5
4-electrode
conductivity
probe
Pt100 tempera-
ture sensor
Pt100
Internal view of the connector
None
Ensure the welds are clean and perfect. Once the welding operation is complete, close the two
shells, insert the gasket in the module
, screw the fairlead. At the other end of the module, enter the
ring with the O-Ring as indicated in the picture.
Make sure the cable is not twisted while you are screwing the fairlead. Now the probe is ready.