Flowmeter measurement confidence determination devices and methods
First Claim
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1. A method for operating a vibratory flowmeter comprising:
- placing a process fluid in the vibratory meter;
measuring entrained gas in the process fluid; and
determining a measurement confidence level of at least one operating variable, wherein measuring entrained gas in the process fluid comprises detecting a severity of gas slugs in the process fluid, and wherein the measurement confidence level is lowered if the severity of gas slugs is above a predetermined threshold.
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Abstract
A method for operating a vibratory flowmeter (5) is provided. The method includes placing a process fluid in the vibratory meter (5) and measuring entrained gas in the process fluid. A measurement confidence level is determined for at least one operating variable.
25 Citations
18 Claims
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1. A method for operating a vibratory flowmeter comprising:
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placing a process fluid in the vibratory meter; measuring entrained gas in the process fluid; and determining a measurement confidence level of at least one operating variable, wherein measuring entrained gas in the process fluid comprises detecting a severity of gas slugs in the process fluid, and wherein the measurement confidence level is lowered if the severity of gas slugs is above a predetermined threshold. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. Meter electronics (20) for a flowmeter (5) configured to receive a process fluid, the meter electronics (20) comprising an interface (201) configured to communicate with a flowmeter assembly of the flowmeter (5), and receive a vibrational response, and a processing system (203) coupled to the interface (201) comprising:
a measurement confidence routine (215) configured to; measure an entrained gas in the process fluid; and determine a measurement confidence level of at least one operating variable, wherein measuring entrained gas in the process fluid comprises detecting a severity of gas slugs in the process fluid, and wherein the measurement confidence level is lowered if the severity of gas slugs is above a predetermined threshold. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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