Troubleshooting and Maintenance 3
3200P pH Meter User Guide 59
Maintenance
This section describes how to maintain and store the
electrode.
Electrode cleaning
General electrode cleaning includes inorganic cleaning,
organic cleaning, grease cleaning, protein precipitation
cleaning and glass sensitive membrane regeneration. The
type of cleaning needed depends on the contaminants and
the electrode. After one or more cleaning procedures, rinse
the outside of the electrode with distilled water. Siphon the
reference filling solution away and add fresh solution.
Repeat 2 or 3 times. Store the PH electrode in reference
filling solution for at least one hour after cleaning. Store the
pH electrode in the storage solution.
Electrode storage
When the electrode will not be used for 3 hours or more,
store it in reference filling solution. For refillable electrodes,
plug the filling hole. When the electrode is not used for a
long time, put the electrode back in the box and store it a
dry place at ambient temperature.
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