Method and Apparatus for Calibrating a Relative Humidity Sensor

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United States of America Patent

APP PUB NO 20090044593A1
SERIAL NO

11920422

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a method for calibrating the relative content (RH) of water. According to the invention, at least one calibration point is defined at a known partial pressure (Pw) of water vapour and sensor temperature of the sensor. According to the invention, at the same known partial pressure (Pw) of water the sensor (2) is heated and, at least one increased temperature point, both the relative content (RH) and the temperature (T) are measured simultaneously.

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Patent Owner(s)

Patent OwnerAddress
VAISALA OYJ01670 VANTAA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hiltunen, Eero Klaukkala , FI 7 22
Lyyra, Matti Vantaa , FI 7 64
Stormbom, Lars Vantaa , FI 17 202

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