METHOD FOR OPERATING A VIBRATORY MEASURING INSTRUMENT, AND CORRESPONDING INSTRUMENT
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United States of America Patent
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Issued Date -
Jan 21, 2010
app pub date -
Dec 20, 2007
filing date -
Dec 21, 2006
priority date (Note) -
Abandoned
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Abstract
A method for operation of a vibratory measurement instrument comprises flowing a fluid through at least one measurement tube; causing the measuring tube to oscillate mechanically using an oscillation production unit; detecting an oscillation behavior of the tube using at least one oscillation sensor; determining at least one of a mass flow, a viscosity, and a density in a narrowband frequency range based on the oscillation behavior; evaluating at least one of the mass flow, the viscosity, and the density using signal processing of an electronics unit; and evaluating the oscillation behavior at least at times in a broadband frequency range using the electronics unit.
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