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Title: The High-Pressure Gas Facilities Of The World And The Current Plans For A Cipm Key Comparison, CCM.FF.K5
Author: D. Dopheide, B. Mickan, R. Kramer, m. Van Der Beek
Source: 2004 Measurement Science Conference
Year Published: 2004
Abstract: The National Metrology Institutes (NMIs) of the World are interested in determining the degree of equivalency of their high-pressure gas flow calibration facilities. To that aim, and under the auspices of the Comite International Des Poids Et Measures (CIPM), a Key Comparison (KC) is to be conducted. This paper describes the calibration and measurement capabilities (CMCs) of the high-pressure natural gas facilities for natural gases and compressed air. From them, one can conclude some logical things to do in this situation regarding the selection of transfer standards, the way to perform a CIPM Key Comparison, the definition of the reference value, and the presentation of lab-tolab differences. The following main topics for the planned KC are discussed: Mutual interest of, and benefit for the participants. Prerequisites for participation in CIPM KC. Different ways and views to perform a comparison. Selection and characterization of appropriate transfer standards for high-pressure gases. Data reduction method. The most current version of the test protocol for this KC follows.

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