Thermo Fisher Scientific CyberScan CON 10/CON 100/CON 200 - Manual (Page 55)

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10.2 Electrode Care
The most important rule to follow is to always keep the electrode clean to ensure accurate
measurements. Always take care not to damage the cell.
For general cleaning, the use of de-ionized water will be sufficient. Rinse the electrode
thoroughly in the de-ionized water. After cleaning, wipe the electrode dry. Never touch the
sensors.
For intensive cleaning, when the electrode is contaminated, wash it carefully with isopropanol,
after which wash thoroughly with de-ionized water. Always ensure that there is no blockage of
the electrode cavity. If there is, use a gentle jet of water to dislodge any particles that may
have been stuck there.
Important
Never leave the electrode immersed in dilute or concentrated acids after taking
measurements. Quickly remove the electrode and rinse with de-ionized water thoroughly.
Short period storage: For storage of electrode over short periods, dry the electrode and store
it in a cool place.
Long period storage: Clean the electrode thoroughly with de-ionized water and dry it.
Disconnect the electrode from the meter and store it in a cool place.