Method and apparatus for testing electromagnetic flowmeters
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United States of America Patent
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Feb 24, 2004
Grant Date -
N/A
app pub date -
Jan 17, 1997
filing date -
Jan 17, 1996
priority date (Note) -
In Force
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Abstract
An electromagnetic flowmeter is tested and calibrated in situ by measuring the impedance of the drive coil, and the isolation to ground impedance of the coil and of the flowmeter sensor electrodes. Testing is effected by portable field equipment or by a built-in test equipment facility with the flowmeter transmitter.
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