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Calibration of prover tanks making use of a Coriolis mass flow meter as the master meter

Published online by Cambridge University Press:  14 November 2012

F.M. Erik Smits  and
J.C. Jos Rath
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Abstract

Calibration of volumetric proving tanks can be done using different methods. For the calibration of large proving tanks the master meter method can be used as a good alternative to the volumetric transfer method or the gravimetric method. When the master meter method is used in most cases a positive displacement meter is used. A better option is to make use a Coriolis mass flow meter as the master meter. Test data is presented of a calibration of a proving tank with a nominal volume of 500 L. Small repeatability figures can be obtained of consecutive calibration runs with a Coriolis mass flow meter. Also the linearity of the meter factor curve of the Coriolis mass flow meter makes this a better option for the master meter method.

Keywords

Calibrationproving tanksCoriolis mass flow meter
Type
Research Article
Information
International Journal of Metrology and Quality Engineering , Volume 3 , Issue 2 , 2012 , pp. 79 - 84
Copyright
© EDP Sciences 2012

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References

API Manual of Petroleum Measurement Standards, Chaps. 4, 5, 11 and 12, www.api.org
ISO/IEC 17025 :2005, General requirements for the competence of testing and calibration laboratories, www.iso.org
JCGM 100 :2008, Evaluation of measurement data – Guide to the expression of uncertainty in measurement (GUM), www.bipm.org
ISO 10790 :1999, Measurement of fluid flow in closed conduits – Guidance to the selection, installation and use of Coriolis meters (mass flow, density and volume flow measurements), www.iso.org
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ISO 8222 :2002, Petroleum measurement systems – Calibration – Temperature corrections for use when calibrating volumetric proving tanks, www.iso.org
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