Measuring and testing – Moisture content or absorption characteristic of material
Reexamination Certificate
2007-07-31
2007-07-31
Williams, Hezron (Department: 2856)
Measuring and testing
Moisture content or absorption characteristic of material
Reexamination Certificate
active
11449509
ABSTRACT:
A method and apparatus for measuring relative humidity of a mixture that provides a quick response time for thermal lag while affording protection to fragile sensors. In one aspect, the invention is a method for calculating the relative humidity of a mixture comprising measuring a chamber relative humidity (RHC) within a chamber enclosing an humidity sensor; measuring a first temperature (TC) within the chamber; measuring a second temperature (TA) separate from said chamber, said second temperature being the temperature of the mixture; and calculating the mixture relative humidity (RHA) based on the chamber relative humidity, a first value representing the first temperature and a second value representing the second temperature.
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Kellerman Richard
Nielsen Paul H.
Cozen O'Connor
Fein Michael B.
Fitzgerald John
Nielsen-Kellerman Co., Inc.
Williams Hezron
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