Coriolis threshold determination devices and methods
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United States of America Patent
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Apr 14, 2020
Grant Date -
Feb 8, 2018
app pub date -
Jan 6, 2016
filing date -
Mar 4, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A meter electronics (20) for a flowmeter (5) configured to receive a process fluid is provided. The meter electronics (20) includes an interface (201) configured to communicate with a flowmeter assembly of the flowmeter (5) and to receive a vibrational response. The meter electronics (20) comprises a drive gain threshold determination routine (215) configured to determine a first predetermined drive gain threshold (302), monitor a drive gain signal over a predetermined time period, and determine lowest points in the drive gain signal over the predetermined time period. A second drive gain threshold is determined based upon reaching a predetermined number of instances of low points of the drive gain signal.
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