Experience with a high-capacity piston p
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H. Bellinga; F.J. Delhez
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Article
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1993
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Elsevier Science
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English
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A description is given of the measures that had to be taken in order to convert a piston prover, designed for use with liquids, into a prover applicable to gas. The advantages of a piston prover as a primary standard are discussed and compared with the traditional method to obtain traceability to pr