8
4. Option: Install an ion selective electrode by removing
the BNC shorting cap and plugging the BNC connector
(twist-lock) into the BNC jack. If a combination
electrode is not available, plug the separate reference
electrode into the ref pin.
5. Clean the electrode between each measurement with
distilled water or deionized water, or part of the next
solution to be measured.
6. Store glass pH electrodes in KCI solution or electrode
filling solution. Make sure the liquid level of the
internal filling solution is always a few centimeters
higher than that of the measurement solution.
Reference
Electrode
ISE
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