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5 Maintenance
5.1 Recommended maintenance schedule
Task
1.
Clean
measurement
chamber
EN
2.
Clean
instrument
display
Clean exterior
housing
Sample Cell Storage
& Care
Battery Replacement
Calibration
18
5 Maintenance
Do
1.
Ensure the measurement
chamber is clean and dry prior
to measurement. Use a dry
microfiber cloth to remove
impurities.
2.
Wipe touchscreen with a dry or
slightly damp microfiber cloth.
Clean the outer housing with a mild
detergent solution or diluted alcohol.
Always rinse vials with turbidity-free
water after use.
Fill vial with DI water. Cap vial to
prevent formation of water spots.
Wipe outside of vial dry with a
microfiber cloth.
It is suggested to remove batteries if
instrument is stored for more than 30
days to prevent battery leakage.
Calibrate as needed under the
following conditions:
1.
Verification failure.
2.
Maintenance of optical
or electronic systems are
performed.
3.
As required by regional
regulatory authorities.
Carefully follow the instructions
preparation and use of standards.
Do not
1.
Spray or
pour any fluid
directly into the
measurement
chamber.
2.
Measure a
sample that
is not tightly
capped.
Use excessive
silicone oil that has
not been wiped from
the vial. A single
bead is all that is
necessary.
Leave sample cells
uncapped to air dry.
Use any vial that has
visible imperfections,
including pits,
scratches, or cracks.
Use unspecified type
of battery.
Use expired
standards.
EN TB 350
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