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CAUTION!
Do not use dirty or rough cloths for cleaning/drying the sample area, since this could cause scratches on the prism surface
and permanently damage your device.
Do not submerge the device in water or any cleaning agents or other liquids.
Particulate material suspended in sample liquid or the use of an abrasive cleaning agent may lead to scratches during the
cleaning process. This can damage the device permanently.
CAUTION!
Do not use aggressive solvents (e.g. Acetone) to clean the device. Only use approved and compatible cleaning agents,
otherwise your device could suffer permanent damage.
NOTICE
The inside of the device does not require cleaning. Only clean the exterior housing and the sample area.
NOTICE
It is recommended to use ultra-pure water instead of tap water because tap water can cause limescale buildup in the sample
area, leading to a deterioration of the measurement quality.
NOTICE
Dispose samples and cleaning agents according to legal regulations.
STORING
Before you store away the device, clean it as described above. If you are going to store your device for a longer period of time,
remove the batteries.
CAUTION!
Store the device in a dry environment. Do not store device in direct sunlight, low or high temperatures.
CHECKS AND ADJUSTMENTS
It is recommended to check the measurement performance of the device prior to a new series of measurements. If you get a
result that deviates from the target value of your sample by more than the given tolerances, you need to adjust the device by
performing a zero adjustment.
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