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6. D:S ratio
The thermometer has a visual angle and visual
spot size as follows:
Make sure that the target is larger than the
unit’s visual spot size. The smaller the target,
the closer you should be to it. The relationship
between distance and spot size is 6:1, the
drawing as following:
7. CLEANING INSTRUCTIONS
The meter may be wiped down with a wet
sponge or cloth using a mild, water based
detergent.
NOTE:
This unit is not designed for complete