Moisture meter with impedance and relative humidity measurements
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United States of America Patent
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Apr 29, 2003
Grant Date -
Aug 30, 2001
app pub date -
Feb 28, 2001
filing date -
Feb 29, 2000
priority date (Note) -
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Abstract
A moisture meter (1) has a hand-held casing (2) with a digital microcontroller (50), LCD display (4), and a keypad (3). Spring-loaded contacts (6) contact material and allow capacitive impedance measurement via electrodes (5) and drive/pickup circuits (20). Also, a relative humidity probe (9) provides an input so that the processor generates both moisture contact near-surface measurements and also relative humidity measurements. This allows optimum analysis of material.
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