Maintenance
78
Cleaning Procedure
Use diagnostic messages to aid pH electrode troubleshooting. Several
cleaning solutions are available:
General – Soak in Hanna HI 7061 or HI 8061 General Cleaning Solution
for approximately ½ hour.
Protein –Soak in Hanna HI 7073 or HI 8073 Protein Cleaning Solution for
15 minutes.
Inorganic – Soak in Hanna HI 7074 Inorganic Cleaning Solution for 15
minutes.
Oil/grease – Rinse with Hanna HI 7077 or HI 8077 Oil and Fat Cleaning
Solution.
Note: After performing any of the cleaning procedures, rinse the electrode
thoroughly with distilled water, rell the reference chamber with fresh
electrolyte (not necessary for gel-lled electrodes) and soak the electrode
in HI 70300 or HI 80300 Storage Solution for at least 1 hour before taking
measurements.
Temperature Correlation For pH Sensitive Glass
Verify the temperature range by reading the limits on electrodes cap. The pH
electrode’s life also depends on the temperature that is used. If constantly
used at high temperatures, the life of the electrode is drastically reduced.
pH Probe
Maintenance
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