Cleaning
Thermal Module Housing
The thermal module may be cleaned using a dry or damp cloth. Avoid getting the electronics wet.
Thermal Module Lens
The thermal module lens may be cleaned by following one of two procedures depending on the type of dirt.
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Be careful cleaning the thermal module lenses. The infrared lens has a delicate anti-reflective coating.
Carefully use a dry lens cleaning cloth. Do not use liquids from the wet procedure with a lens cleaning cloth.