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North American domestic analog (Ferraris disk) electricity meter. Electricity meter with transparent plastic case (Israel) An electricity meter, electric meter, electrical meter, energy meter, or kilowatt-hour meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device over a time interval.
ANSI C12.20 is an ANSI standard that describes an American National Standard for Electricity Meters - accuracy and performance. The C12.20 standard established the physical aspects and performance criteria for a meter's accuracy class. It refines certain details in ANSI C12.1 and ANSI C12.10. The existing ANSI accuracy classes for electric ...
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 ...
It placed duties on the Electricity Commissioners to appoint meter examiners to examine and certify meters; and on electricity undertakings to supply and maintain apparatus to examine, test and regulate meters. The Act established that meters already in use on the appointed day (1 July 1938) be deemed as proper meters to measure the supply of ...
A submetering system typically includes a "master meter", which is owned by the utility supplying the water, electricity, or gas, with overall usage billed directly to the property owner. The property owner or manager then places their own private meters on individual tenant spaces to determine individual usage levels and bill each tenant for ...
A 2014 Commission report on the deployment of smart metering found: close to 200 million smart meters for electricity and 45 million for gas will be rolled out in the EU by 2020. This represents a potential investment of €45 billion. [18] by 2020, it is expected that almost 72% of European consumers will have a smart meter for electricity.
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The functional, technical, security, economic, and general requirements of this project was published as a document after a longtime workgroup of various stakeholders including representative of grid operators, meter manufactures, communication providers, business layer software providers, domestic and international consultants.