Bell Prover – Calibration and Monitoring of Time Stability

Miroslava Benkova, Stefan Makovnik, Ivan Mikulecky, Vlastimil Zamecnik

Abstract

This paper is focused on the calibration and measuring of the geometric parameters of a bell prover, that served as a standard of volume of gas flow. It also includes methods for monitoring of time stability of the bell prover: intra- and inter- laboratory comparison measurements, Shewhart analysis and planned evaluation of recalibration intervals.

Keywords

Bell prover, Uncertainty analysis, Time stability, Inter-laboratory comparison, Recalibration interval

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IMEKO-TC9-2010-004.pdf

DOI

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IMEKO TC

TC9 - Flow Measurement

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