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Title: Sonic Nozzle Proving
Author: Dickschieber
Source: 1993 Western Gas Measurement Short Course
Year Published: 1993
Abstract: Every year literally millions of residemial gas metcis are proved by both gas utilities and manufacturers. Meter shops spend countless hours producing and collecting proof data. Nearly all of this meter testing is performed on bell provers. Much of the data collected is from meter cards and is enlered manually into a computer. While the accuracy of the bell prover remains unchallenged. it is clear Ihat new technology can offer significant productivity gains in the proving process itself and in the collection of meter data. Improvements in these areas are now being provided by workstaUons employing sonic nozzles and computer controls. This paper will describe the elements of this new type prover and its operation and make comparisons to the bell prover.

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