Horiba Scientific 6560S-10C Instruction Manual page 52

3
Close the rubber stopper of the
internal solution fill port.
4
Rinse the electrode with pure water.
Note Note
5
Wipe off the moisture.
Wipe off the moisture using soft and clean lint-free paper or cloth.
40
If the response is poor, or the surface of the ion selective
membrane of the electrode is contaminated, polish the
electrode as described on page 42.