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ELECTRODE MAINTENANCE
For a faster response and to avoid cross-contamination of the samples, before taking measurements,
rinse the electrode tip with a few drops of the solution to be tested.
11.2. STORAGE PROCEDURE
To ensure a quick response, the glass bulb and the junction should be kept moist and not allowed to
dry.
Add a few drops of
HI70300
Storage solution or pH 3.00 buffer to the protective cap. Follow
preparation steps above before taking measurements. Replace the storage cap when the electrode
is not in use.
Note:
Never store the electrode in distilled or deionized water.
11.3. PERIODIC MAINTENANCE
1. Inspect the electrode for any scratches or cracks. If any are present, replace the electrode.
2. Inspect the cable. The connection cable and insulation must be intact.
3. Connectors should be clean and dry.
4. Rinse off any salt deposits with water.
5. Follow the storage procedure above.
11.4. pH CLEANING PROCEDURE
1. Soak the electrode in Hanna
HI7061
General cleaning solution or
HI700635
Cleaning solution
for wine deposits or
HI700636
Cleaning solution for wine stains for 20 minutes. Rinse the
electrode with water.
2. Soak the electrode in
HI70300
Storage solution for a minimum of 30 minutes, rinse with water
and calibrate before using.