Pinless Moisture Meters

Subtitle: 
How to use them — and how not to use them

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I got a call the other day from a builder client, who said, “Hey Peter, a new homeowner of mine is super-worried about moisture and mold and is getting scary readings with his pinless moisture meter. Help!”

Pinless moisture meters read from the surface of any material, using an electromagnetic field. Feedback from this field provides information to estimate moisture content. These meters are called “capacitance-based” meters, while pin-type moisture meters are called “resistance-based” meters.

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