18
MAN99111 05/18
All Hanna Instruments conform to the
CE European Directives
.
Disposal of Electrical & Electronic Equipment.
The product
should not be treated as household waste. Instead hand it over
to the appropriate collection point for the recycling of electrical
and electronic equipment which will conserve natural resources.
Disposal of waste batteries.
This product contains batteries, do
not dispose of them with other household waste. Hand them over
to the appropriate collection point for recycling.
Ensuring proper product and battery disposal prevents potential
negative consequences for the environment and human
health. For more information, contact your city, your local
household waste disposal service, the place of purchase or
go to
www.hannainst.com
.
RoHS
compliant
CERTIFICA
TION
ELECTRODE
MAINTENANCE
• Replace protective cap with a few drops of
HI70300
Storage Solution. Follow PREPARATION above before
taking measurements.
• Replace the fill hole cover.
Note
: NEVER STORE THE ELECTRODE IN DISTILLED WATER
PERIODIC MAINTENANCE
• INSPECT the electrode for any scratches or cracks. If any
present, replace the electrode.
• Rinse off any salt deposits with water.
• Follow the STORAGE procedure above.
CLEANING PROCEDURE
• Soak in Hanna
HI7061
general cleaning solution,
HI700635
cleaning solution for wine deposits or
HI700636
cleaning solution for wine stains for 20 minutes.
Rinse with water.
IMPORTANT
: After performing any of the cleaning proce‑
dures rinse the electrode thoroughly with distilled water. Soak
the electrode in
HI70300
Storage Solution for a minimum
of 30 minutes. Rinse with water. Calibrate before using.
TROUBLESHOOTING
• pH Meter: Follow the meter’s operating and calibration
procedures.
• Electrode: Evaluate your electrode performance based on
the SENSOR CHECK procedure on page 13.