Method and apparatus for measuring selected properties of a fluid of interest using a single heater element
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United States of America Patent
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Jun 27, 2000
Grant Date -
N/A
app pub date -
Dec 31, 1997
filing date -
Dec 31, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and apparatus for determining selected fluid properties including thermal conductivity, pressure and/or temperature using a single heater element of the sensor, and in a relatively short period of time. This is accomplished by measuring a variable phase or time lag between an input signal provided to the heater element and a subsequent transient temperature response of the heater element.
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