![Hanna Instruments HI 8510 Instruction Manual Download Page 56](http://html1.mh-extra.com/html/hanna-instruments/hi-8510/hi-8510_instruction-manual_590924056.webp)
54
Follow the Preparation Procedure above be-
fore taking measurements.
Note: NEVER STORE THE ELECTRODE IN
DISTILLED WATER OR DRY.
PERIODIC MAINTENANCE
Inspect the electrode and the cable. The cable
used for the connection to the meter must be
intact and there must be no points of broken
insulation on the cable or cracks on the elec-
trode stem or bulb.
Connectors must be perfectly clean and dry.
If any scratches or cracks are present, re-
place the electrode. Rinse off any salt depos-
its with water.
For refillable electrodes:
Refill the electrode with fresh electrolyte
(HI7071 for single junction or HI 7082 for double
junction electrodes). Allow the electrode to
stand upright for 1 hour.
Follow the Storage Procedure above.
CLEANING PROCEDURE
General
Soak in Hanna HI 7061 General
Cleaning Solution for approxi-
mately 1 hour.
Removal of films, dirt or deposits on the mem-
brane/junction:
Protein
Soak in Hanna HI 7073 Protein
Cleaning Solution for 15 min-
utes.
Inorganic
Soak in Hanna HI 7074 Inor-
ganic Cleaning Solution for 15
minutes.
Oil / grease
Rinse with Hanna HI 7077 Oil
and Fat Cleaning Solution.