65
Rinse the probe with clean water after measurements. If more cleaning is required, remove the probe
sleeve and clean the probe with a cloth or a nonabrasive detergent. Make sure to reinsert the sleeve
onto the probe properly and in the right direction. After cleaning the probe, recalibrate the instrument.
The platinum rings are sustained with glass. Take great care while handling the probe.
REPLATINIZATION
The coating of platinum black on the electrodes of the conductivity cell should be inspected before
and after use for signs of flaking or loss of material. If the coating seems poor, cleaning and repla‑
tinization is required.
To perform probe replatinization, enter calibration screen from EC range by pressing
CAL
key.
Put the probe into a beaker with replatinization solution and press
Start
.
The process can be interrupted by pressing
Stop
or
ESC
key.
PROBE MAINTENANCE