Transcription of Reference Flow Measurement - Gilson Eng
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Reference Flow Measurement - Gilson Eng
Moore Process Automation Solutions - Flow Measurement300 Flow MeasurementFUNDAMENTALSF lowmetering terms can often seem cryptic. Here are defi-nitions of some of the most commonly Accuracy is a quantity defining the limit that errors willnot exceed. This value should include the combined ef-fects of conformity, hysteresis, deadband, and repeatabil-ity errors. When applied to flowmeters, accuracy is specifiedin one of two different ways; % of full scale or % of OF FULL SCALEA % of full scale accuracy specification defines an expand-ing error envelope. For a flowmeter with a flow range of 0to 100 gpm and accuracy of 1%, FS will read +/-1gpmanywhere in its operating range. This corresponds to+/-1% of rate at full scale and +/-10% of rate at 10% of OF RATEA % of rate accuracy specification defines a constant errorenvelope.
Reference - Flow Measurement 302 Moore Process Automation Solutions www.moore-solutions.com TYPICAL MASS FLOW CALCULATIONS-Liquid Flow Measurement, Linear Meter If the mass flow is desired for a liquid, the volumetric
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