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Salinity/TDS Troubleshooting, continued…
Inaccurate
readings, even
when calibration is
successful.
1. Electrode may have a
build-up of dirt or oily
material on electrode
wires.
2. Platinum-black coating has
worn off.
Clean electrode, as per the
instructions detailed in section
11.2.2.
Electrode requires
replatinisation.
Return to the factory, or see
details in section 11.2.3.
Readings drift.
1. Electrode may have a
build-up of dirt or oily
material on electrode
wires.
Clean electrode, as per the
instructions detailed in section
11.2.2.
Readings are low
or near zero.
1. Electrode may have a
build-up of dirt or oily
material on electrode
wires.
2. Electrode is not immersed
deeply enough.
3. Electrode is faulty.
Clean electrode, as per the
instructions detailed in section
11.2.2.
Immerse electrode at least to
the vent hole in the white
plastic cover.
Return electrode to factory for
repair or replacement.
