Differential pressure based flow measurement
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United States of America Patent
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May 28, 2013
Grant Date -
Sep 6, 2012
app pub date -
Mar 3, 2011
filing date -
Mar 3, 2011
priority date (Note) -
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Abstract
A system for measuring flow of process fluid through process piping in an industrial process includes a flow restriction element in the process pipe. A first differential pressure transmitter is configured to measure a first differential pressure across the flow restriction element in response to flow of process fluid. A second differential pressure transmitter configured to measure a second differential pressure in the process fluid across the flow restriction element. Circuitry performs diagnostics based upon the first differential pressure and the second differential pressure.
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