Abstract

The author describes a prover design for use in calibrating displacement meters on volatile-liquid petroleum fractions such as gasoline which will eliminate errors caused by evaporation, change in temperature, and entrainment of gases in the test liquid. Details are also given of a simplified commercial type of prover. This type of prover has been successfully used on an extensive meter-testing program at the Gulf Research Laboratory as a part of the 25-year program of the A.S.M.E. Fluid Meters Committee.

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