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Title: Transfer Proving Of Large Capacity Displacement Meters
Author: Robert S. Snyder
Source: 1970 American School of Gas Measurement Technology
Year Published: 1970
Abstract: Large capacity displacement meters have historically been one of the primary measuring devices utilized by the natural gas industry. Because of the high reliance placed on gas meters, a satisfactory method of periodically checking their accuracy was necessitated. This method, developed as an off-spring from orifice metering and referred to as low-pressure flow proving, has now become firmly established as the most common technique for determining the accuracy of a natural gas displacement meter. Low pressure flow proving, although proven to be a reliable, accurate method of testing, requires a thorough understanding of the basic testing procedure and proper application of the numerous measured quantities in order to obtain accurate results. As a result of the search for an improved method of testing gas displacement meters, the coneept of transfer testing utilizing a transfer prover was developed. This discussion will be devoted to an explanation of this relatively new approach to large capacity displacement meter testing.

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