Справочник Пользователя для Hanna Instruments hi 931402

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PERIODIC  MAINTENANCE
Inspect the electrode and the cable. The cable
used for connection to the meter must be
intact and there must be no points of broken
insulation on the cable or cracks on the
electrode 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 deposits with water.
For refillable electrodes:
Refill the reference chamber with fresh elec-
trolyte (HI7071 or HI 8071 for single junction
or HI7082 or HI 8082 for double junction elec-
trodes). Allow the electrode to stand upright
for 1 hour.
Follow the Storage Procedure above.
CLEANING  PROCEDURE
General
Soak in Hanna HI7061 or HI8061
General Cleaning Solution
 for
approximately 1 hour.
Removal of films, dirt or deposits on the
membrane/junction:
Protein
Soak in Hanna HI7073 or HI8073
Protein Cleaning Solution
 for
15 minutes.
Inorganic Soak in Hanna HI 7074 or HI 8074
Inorganic Cleaning Solution
for 15 minutes.
Oil/grease Rinse with Hanna HI 7077  or
HI 8077 Oil and Fat Cleaning
Solution
.
IMPORTANT: After performing any of the
cleaning procedures rinse the electrode thor-
oughly with distilled water, refill the reference
chamber with fresh electrolyte, (not neces-
sary for GEL filled electrodes) and soak the
electrode in HI 70300  or  HI 80300 Storage
Solution
 for at least 1 hour before taking
measurements.