Performance of a Gas Flow Meter Calibration System Utilizing Critical Flow Venturi Standards

Michael Carter, William Johansen, Charles Britton

Abstract

A set of Critical Flow Venturis (CFVs) were manufactured by Flow Systems and calibrated by NIST in Gaithersburg, MD. Subsequently these flow standards along with pressure and temperature standards have been integrated into a gas flow meter calibration (GFC) system. Performance data and an uncertainty analysis will be discussed. Calibration data on these CFV standards will be used to inter-compare the NIST and CEESI primary facilities.

Keywords

Critical Flow Venturi, Calibration, Uncertainty Analysis

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IMEKO-TC9-2010-013.pdf

DOI

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IMEKO TC

TC9 - Flow Measurement

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