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Title: DISTRIBUTION GAS METER PROVING: THE EQUIPMENT AND METHODOLOGY USED TODAY IN THE NATURAL GAS INDUSTRY
Author: Gregory A. Germ
Source: 2023 Appalachian Gas Measurement Short Course
Year Published: 2023
Abstract: The performance accuracy of a natural gas meter is de- termined by passing a known volume of air from a mea- surement reference or standard-the meter registra- tion is compared against this known volume. The known volume of air originates from the meter prover. In earlier times, the gas meter prover was a stand-alone device (usually a bell-type prover), manually operated without any electronics or automation. Today, the majority of gas meter provers are fully automated computer controlled and operated, and responsible for other job functions be- sides the proving of gas meters. The bell-type meter prov- er - though still commonly used in the industry - is not the only kind of meter prover used today. The advance- ments and developments in electronics and computer technology has lead to an evolution of meter proving equipment - far from the manual proving methods that were commonplace only a few decades ago. Many utili- ties have replaced the bell-type prover with sonic nozzle and transfer provers. Provers can now store and retrieve information from a utilitys meter management system, reduce the human error factor in the proving operation, and provide self-diagnostics to assist the prover operator in maintenance and in troubleshooting problems.

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