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Title: Testing Displacement Gas Meters
Author: Embb Copeland
Source: 1967 Southwestern Gas Measurement Short Course (Now called ISHM)
Year Published: 1967
Abstract: The financial security of the Gas Company is, to a great extent, dependent on the accuracy of its meters. Meter testing is one of the most important functions of the gas meter shop. This accuracy and efficiency can be maintained by the use of the three tests we are going to cover,-The Tank Test-A Low Light Test-and An Accuracy Test. 1-KIND OF TESTS A-Tank Test This test is to determine an external leakage. On this test you should use from 2% pounds per square inch to 5 pounds per square inch pressure with the meter operating, as a leak in the case compartment will not show if the valve to that compartment is on the center of its seat.

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