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17. Cleaning the Prism
WARNING
◇
Before running hazardous substance(s) through any system,
necessary precautions should be taken to ensure the safe
handling of the hazardous substance(s). If using a sample inlet
unit, use caution when disconnecting the main unit.
CAUTION
◇
Cleaning liquids up to 160˚C can be used for CIP or SIP. The
momentary difference between the sample liquid temperature
and the cleaning liquid temperature must be no more than 80˚C.
When using cleaning liquids at temperatures over 160˚C, the
power source (DC24V) must be turned off. If the AD-32 (AD-33
or AD-34) is used, unplug from the outlet before cleaning.
①
Detach the clamp band that
connects the main unit to the
sample inlet unit, piping or tank.
②
Clean the prism surface carefully
with a soft tissue soaked with
warm water or ethyl alcohol. If the
sample solution contains oil or
grease, use ethyl alcohol to
ensure the prism surface does not
develop a film.
Development of a film on the prism
could
cause
erroneous
measurements.
③
NEVER clean the prism with an
abrasive material.
Cleaning the
prism with an
abrasive material could cause
scratches on the prism which
could
lead
to
erroneous
measurements.
④
After
cleaning
is
complete,
re-attach the main unit to the
sample inlet unit, piping or tank.
The procedure is described on
page 14 of this instruction manual.
Fig. 17-1
Lukewarm
water
Ethyl
alcohol