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Title: Transfer Provers - A Comparison Of Commercially Available Types
Author: W. J. Tellska
Source: 1982 Appalachian Gas Measurement Short Course
Year Published: 1982
Abstract: Transfer proving gas meters have been in use since large wet-type station meters were used to measure the volumes of gas made and supplied to distribution systems. In these cases, the transfer prover was nothing but a small portable wet-type meter approximately 3 foot in diameter. The test meter was transported to the location, filled with water to a calibrated level, and connected in series with the station meter. After a volumeof gas passed through both meters, a comparison was made to determine the accuracy of the large stationary meter. As the demand for large commercial and industrial gas meters increased, meter technology improved to the point where present-day gas meters and transfer prover master meters are light and easily transportable. Transfer provers are used today in shop applications to obtain flow rates greater than available from bell provers and in the field to test meters when it is not economically feasible to remove the meter and return it to the shop for testing.

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