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Title: Proving Liquid And Gas Flow Measuring Devices
Author: E. L. Upp
Source: 1967 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1967
Abstract: In the title, a term is used that is not as familiar to gas measurement people as it is to liquid measurement people. This term is proving. The basic concept of getting a measurement of fluid accepted differs with the two arts. In the case of liquid meters, the standard is to actually check the throughput of a meter against an accepted standardt his is called proving. In gas metering, positive meters are sometimes proved this way with critical or low pressure flow provers whereas, in orifice meter gas measurement, the mechanics of the primary and secondary devices are checked to make sure they meet the limits set out in various standards. The flow is then assumed to be within the tolerances as established by previous throughout tests upon which the standards are based - this is called testing.

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