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Cleaning Information
Additional Cleaning Information
1. Blow away any dust or dirt with compressed air.
Procedure for Stubborn Dirt
Use this procedure particularly when there is greasy dirt on the
lens:
CAUTION Only use water if you are sure that your device does not corrode.
Do not use hot water as this can lead to mechanical stress, which can
damage your device.
Make sure that your liquid soap has no abrasive properties or perfume
in it, because they can scratch and damage your device.
Do not use normal washing-up liquid as sometimes an iridescent film
remains.
1. Moisten the lens or the mirror with water.
2. Put a little liquid soap on the surface and gently spread the liquid
over the whole area.
3. Wash off the emulsion with water, being careful to remove it all,
as any remaining streaks can impair measurement accuracy.
4. Take a new, dry soft-tissue and remove the water, by rubbing
gently over the surface using a small circular movement.
5. Blow away remaining lint with compressed air.
Alternative Procedure A
To clean lenses that are extremely sensitive to mechanical stress or
pressure you can also use an optical clean polymer film. This
procedure is time-consuming, but you avoid scratching or
destroying the surface.
1. Put the film on the surface and wait at least 30 minutes to make
sure that the film has had enough time to dry.
2. Remove the film and any dirt with special adhesive tapes.