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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 10.2.2.
Electrode requires
replatinisation.
Return to the factory, or see
details in section 10.2.3.
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 10.2.2.
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 10.2.2.
Immerse electrode at least
to the vent hole in the white
plastic cover.
Return electrode to factory
for repair or replacement.