product image) Owner's manual
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2.3.4 Connecting Temperature Probe
For Automatic Temperature Compensated (ATC) pH readings, a 100Ω Pt RTD
temperature probe (2-wire or 3-wire) can be connected to the Controller.
3-Wire Probe:
1. Connect PT100 compensate wire to Pin 5 of J204 connector
2. Connect PT100 sense wire to Pin 6 of J204 connector
3. Connect PT100 GND wire to Pin 7 of J204 connector
2-Wire Probe:
1. Short Pin 5 & 6 of J204 connector using a small piece of wire
2. Connect PT100 sense wire to Pin 6 of J204 connector
3. Connect PT100 GND wire to Pin 7 of J204 connector
2.3.5 Connect Potential Matching Pin (PMP)
If using an electrode with a PMP, connect the additional wire (PMP) from the pH
electrode to Pin 8 of J204 connector. This liquid electrical reference wire is only
used when the pH Controller is configured to ‘Symmetrical mode of operation’.
Refer section 5.5 for details on symmetrical mode of operation.