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A utility meter is any of the following metering devices used on utility mains: * Electricity meter, a device for measuring electricity usage * * Smart meter, an electrical meter that records consumption of electric energy and communicates information to the utility for monitoring and billing * Gas meter, a specialized flow meter used to measure the volume of fuel gases such as natural gas and propane * Water meter, a device for measuring water usage * Heat meter, instruments intended for measuring the heat which, in a heat-exchange circuit, is given up by a liquid called the heat-conveying liquid. ==See also== * Prepayment meter (disambiguation) * R-75 Heat meters (http://www.oiml.org/publications/) * OIML D xx (CD2) Surveillance of utility meters in service based on sampling inspcection 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「Utility meter」の詳細全文を読む スポンサード リンク
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