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Title: Electronic Volume Corrector Basics
Author: Gary Miller
Source: 2009 Western Gas Measurement Short Course
Year Published: 2009
Abstract: Electronic volume correctors are generally battery powered, microprocessor based instruments used in the natural gas industry to convert the volume of natural gas as measured from gas meters, to corrected volume. During the conversion process, the electronic corrector obtains measurements of the meters gas pressure and temperature so pressure and temperature factors can be computed and applied to the uncorrected volume. Another factor, called the Supercompressibility Factor is also computed and applied. Other functions such as scaling various parameters to the desired units of measure, alarm detection, alarm notification, pulse output, digital readouts, and user interface, are some of the necessary functions of todays electronic correctors.