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Gas meter prover : ウィキペディア英語版 | Gas meter prover
A gas meter prover is a device which verifies the accuracy of a gas meter. Provers are typically used in gas meter repair facilities, municipal gas meter shops, and public works shops. Provers work by comparing a known volume of air across a meter with the gas meter's index or register. A series of mathematical computations are utilized to produce what is called a proof. A proof is a numeric value given to represent the accuracy of the meter as compared to the known volume of air used during the test. == Types ==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Gas meter prover」の詳細全文を読む
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