NOTICE
Risk of damage at the External Reference
• Do not drop the External Reference
• Do not scratch the surface
• Never bring it in contact with hard objects.
• Do not use any cleaning media with abrasive character which might scratch the surface.
• Do not use item for reference measurement when damaged or scratched.
• Do not use any compressed air for blowing off dirt from the External Reference, as it often
contains oil and is not sufficiently pure.
After treating the External Reference with pure acetone, always make sure that the acetone adsorbed
by the reference material evaporates completely.
For this purpose, you can place the External Reference in an oven for a few minutes at a maximum of
60 °C.
The reference material adsorbs oils and fats.
7.2.3 Cleaning of the Transflectance adapter
The transflectance adapter should be cleaned regularly after each measurement in order to avoid a
sample cross contamination during the next measurement.
To clean the transflectance adapter you can rinse it with solvents suited for use with the materials of
the adapter and probe (stainless steel, quartz glass, fluorine rubber). After rinsing, dry the adapter
thoroughly and carefully inspect it for remaining contaminations.
Suited cleaning solvents are water, acetone, and alcohols.
NOTICE
Risk of damage at the Transflectance adapter
• Do not bring any part of the adapter into contact with Furanes, acids and other oxidizing
agents
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