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the device in water or hold it under running water. Never handle the device with wet
or damp hands.
Never touch the measuring prism [2] with hard tools made from plastic, wood, rubber,
metal, glass etc. Hard objects can quickly damage the relatively soft prism glass, re-
sulting in measurement errors.
The refractometer is maintenance-free.
Cleaning should be carried out immediately before and after each use of the refrac-
tometer to maximise its life and optimise measurement results.
9 Storage
Store the refractometer in a dry, non-corrosive environment, preferably between
10 °C and 30 °C.
10 Service
After reading this operating manual, if you have any questions about setting up or
using the refractometer, or if any unexpected problem occurs, please contact your
dealer. The device housing may only be opened by trained service technicians
authorised by KERN.
11 Disposal
The packaging consists of environmentally friendly materials which can be disposed
of via local recycling facilities.
The device and storage box should be disposed of by the operator in accordance
with applicable national or regional regulations at the place of use.
12 Additional information
The product may differ slightly from the illustrations.
Avoid exposing the refractometer to direct sunlight.
Never bring the refractometer into contact with solvents.
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