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Title: Development Of An In-Situ Meter Verification Device
Author: John Wilson, Willem Van Der Wal, G. H. Lohuis
Source: American Gas Association 2001
Year Published: 2001
Abstract: Throughout the natural gas industry, lost and unaccounted for gas is increasingly becoming an area of concern. According to a GTI survey, the volume of gas in this area equates to approximately 200,000,000 (US) of lost revenue. Inaccurate meters have been the primary contributor to this loss. This inaccuracy could result in utilities overpaying suppliers and customers underpaying utilities. Gastec, a Research & Development Company in the Netherlands, has developed the In-Situ Meter Verification device (ISMV) that evaluates existing meter accuracy without having to remove the meter from operation, thus allowing for adjustments that reflect accurate flow volumes. Gastec is working with Nicor Technologies and GTI to bring this technology to North America. The ISMV is a twopiece portable device that consists of gas detection equipment and a computer to collect and analyze the results. The ISMV process can measure inferential meters at locations ranging from city gates to customer delivery points. Upon completion of the test, the records of each meter are electronically stored for any future meter evaluations, customer records, or inquiries such as code compliance.

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