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Title: Procedures And Equipment For Field Proving Coriolis Meters
Author: Cathy Apple, K. T. Liu
Source: 1995 International Symposium on Fluid Flow Measurement
Year Published: 1995
Abstract: As one of the fastest growing flowmeter technologies, Coriolis meters are now gaining wider usage in the petroleum and petrochemical industries for custody transfer measurement. As with other traditional custody transfer flowmeters, periodic on-line proving of the Coriolis meter is required. At present, volumetric provers, such as conventional pipe provers and small volume provers, are regarded as the only practical means for flowmeter proving. Depending on how the Coriolis meters output is configured, proving techniques differ. In general, if a Coriolis meter is configured to provide mass flow output, an accurate fluid density during proving will need to be determined for volume-to-mass conversion calculations. If a Coriolis meter is configured to provide volumetric flow output, then the same proving procedure for conventional volumetric flowmeters can be adopted. This paper describes the procedures and associated equipment needed for field proving of Coriolis meters. Field proving data collected from several meter installations has shown acceptable proving repeatability and meter factor stability.