Releasing A Held Reading; Electrode Care And Maintenance - LaMotte pH 5 PLUS Manual

4.3 Releasing a Held Reading

Press the HOLD key once again to deactivate the HOLD function
or to release the frozen reading. The meter will revert to the current
measurement mode, and the HO annunciator will disappear from the
DISPLAY.

5. ELECTRODE CARE AND MAINTENANCE

For best results, store the pH probe bulb wet. Store the pH glass bulb
in pH probe storage solution. NEVER use deionized water for storage.
Wash probes with clean water after each use.
pH probes are susceptible to contamination and dirt. Clean them as
needed using mild detergent and warm water. Blot the probe gently with
soft tissue paper to dry. Avoid excessive rubbing of the glass membrane
and avoid touching it with the Þ ngers. Recalibrate after cleaning.
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