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Title: Field Testing With A Transfer Prover
Author: Ben Wagner
Source: 1981 Appalachian Gas Measurement Short Course
Year Published: 1981
Abstract: The need for an accurate, reliable, and portable field transfer testing system has resulted from the growth of the gas industry. The growth has brought about the desire for better methods of field testing meters. There are presently four methods available for field testing meters: 1. Low Pressure Flow Prover 2. Critical Flow Prover 3. Sonic Nozzle Flow Prover 4. Transfer Prover The low pressure flow prover, the critical flow prover, and the sonic nozzle flow prover involve the measurement of several variables which in turn may cause the compounding of errors before the final accuracy can be calculated. The transfer prover requires only the sending of temperature and pressure differences between the prover and meter under test. Results obtained from a transfer prover should be more accurate and repeatable and compare more favorably to the accepted standards of the bell and piston provers.

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