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Title: Field Testing By Transfer Proving
Author: Tern Brocirb
Source: 1987 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1987
Abstract: Fbr years, the industry lacked the capability to satisfactorily field test the accuracy of large capacity (up to 80,000 cfh) rotary and turbine gas meters. Differential and spin test methods for testing rotary and turbine meters in the field were only indications of the meters mechanical condition, not the meters proof. The last resort, vdien dealing with a large volume custoners high bill ccmplaint, was to return the large rreter to the factory for testing. This was expensive, time consuming and very inconvenient. Based on this reasoning, Piedmont Natural Gas Ccitpany decided to develop a large volume portable prover capable of testing both rotary and turbine type meters. This paper describes the unique design vtiich allows the prover to accurately test rotary and turbine rteters frran low flow to full cjacity flow. In addition, the procedure for certifying the prover accuracy and the basic operation involved in performing a test are discussed.

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