Importance

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Abstract

A non-contact flood and moisture detector for detecting water on remote surface includes a source of IR radiation directed towards the remote surface and projecting a field of illumination on the remote surface, and a receiver of IR radiation directed towards the remote surface, and collecting the IR radiation from a field of view on the remote surface, with the field of illumination and the field of view at least partially overlapping. A portion of the IR radiation is backscattered and received by the receiver and a portion of the IR radiation is specularly reflected and not received by the receiver. An electronic circuit synchronized with the source and the receiver compares the IR radiation measured by the receiver to a dry baseline condition level where a decrease in the backscattered IR radiation measured by the receiver indicates the presence of water.

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First Claim