SENSOR FOR MEASURING HIGH HUMIDITY CONDITIONS AND/OR CONDENSATION
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United States of America Patent
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Issued Date -
Jan 30, 2014
app pub date -
Jul 25, 2012
filing date -
Jul 25, 2012
priority date (Note) -
Abandoned
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Abstract
A humidity sensor is provided having humidity levels approaching 100% relative humidity can be measured, as well as condensation measurements which appear as RH values “above 100%”. The humidity sensor is a capacitance based sensor. The capacitor(s) of the sensor is dimensioned so that substantial electric fields of the capacitor extend to the sensor/ambient air interface so that the conditions at the ambient side of the interface provide data for the sensor. In particular, the capacitance effects of moisture formation on the ambient side of the sensor/ambient air interface are utilized as part of the measurements so that relative humidity levels below and above 100% can be detected. The capacitor(s) of the sensor is dimensioned so that substantial electric fields of the capacitor extend to the air interface so that the conditions at ambient side of the interface provide data for the sensor.
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