Magnetoinductive flow measuring method
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United States of America Patent
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Dec 28, 2004
Grant Date -
Nov 20, 2003
app pub date -
Feb 19, 2003
filing date -
Mar 28, 2002
priority date (Note) -
Expired
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Abstract
A magnetoinductive flow measuring method for measuring the flow rate of a medium flowing through a measuring tube is described that incorporates two measuring electrodes positioned along a connecting line extending in an essentially perpendicular direction relative to the measuring-tube axis, whereby a magnetic field is generated that extends at least in an essentially perpendicular direction relative to the measuring-tube axis and to the connecting line of the measuring electrodes and whereby the flow rate of the medium moving through the measuring tube is determined by measuring the voltage, respectively collected at one or both measuring electrodes, in comparison with a reference voltage potential. According to the method, the flow measuring operation is initiated as soon as an increase in the flow rate is detected, thus permitting the precise measurement even of very rapid draw-off processes.
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