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PH ELECTRODE MAINTENANCE
For refillable electrodes:
Refill the reference chamber with fresh electrolyte (HI7071 or HI8071 for
single junction and HI7082 or HI8082 for double junction electrodes).
Allow the electrode to stand upright for 1 hour.
Follow the Storage Procedure above.
pH ELECTRODE CLEANING PROCEDURE
• General Soak in Hanna Instruments HI7061 or HI8061 General
Cleaning Solution for approximately ½ hour.
• Protein Soak in Hanna Instruments HI7073 or HI8073 Protein
Cleaning Solution for 15 minutes.
• Inorganic Soak in Hanna Instruments HI7074 Inorganic Cleaning
Solution for 15 minutes.
• Oil/grease Rinse with Hanna Instruments HI7077 or HI8077 Oil
and Fat Cleaning Solution.
IMPORTANT: After performing any of the cleaning procedures, rinse the
electrode thoroughly with distilled water, refill the reference chamber
with fresh electrolyte (not necessary for gel‑filled electrodes) and soak
the electrode in HI70300 or HI80300 Storage Solution for at least
1 hour before taking measurements.
EC Probe Maintenance
Rinse the probe with clean water after measurements. If a more thorough
cleaning is required, remove the probe sleeve and clean the probe with a
cloth or a nonabrasive detergent. Make sure to reinsert the sleeve onto
the probe properly and in the right direction. After cleaning the probe,
recalibrate the instrument.
The platinum rings support is made of glass. Take great care while
handling the probe.
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