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Title: Gas Accounting Operation Of Orifice Meter Chart Integrators
Author: W. C. Hutton
Source: 1964 Southwestern Gas Measurement Short Course (Now called ISHM)
Year Published: 1964
Abstract: As natural gas has become increasingly more valuable, the need for accuracy in measurement of its flow has increased. Much work has been done to improve measurement methods and techniques, and today measurement of flow by the orifice meter is highly accurate. Early calculations of orifice flow were made by merely scanning the charts and later, by using the planimeter. These methods were followed by the Rockwell Integrator, which gives with high accuracy a portion of the calculations required to arrive at quantity flow. Accuracies in the range of one-half of one percent are now attainable.

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