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File:Elster Type R15 electricity meter.jpeg

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English: Newer retrofit US domestic digital electricity meter Elster REX type R1S single-phase kWh smart digital electricity meter, upgraded from analog to facilitate automatic meter reading (AMR). It uses a 900MHz Frequency Hopping Spread Spectrum (FHSS)[1] mesh network topology and 128-bit AES encryption to communicate back to an A3 Alpha meter collector, which then communicates over hardline to the energy provider, in a system branded as "EnergyAxis" time-of-use metering.
Additional info: Elster REX meter ("smart" meter)
McMaster University Sustainable Developments in Communities Workshop November 26, 2007.
Español: Nueva modernización del medidor de electricidad digital doméstico de Estados Unidos Elster REX tipo R1S, un medidor inteligente digital de electricidad monofásica de tipo vatihorímetro (generalmente calibrado en unidades de facturación, por lo común en kilovatio-hora [kWh]), con interfase analógica para facilitar la lectura automática del medidor (AMR).
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current04:42, 26 May 2008Thumbnail for version as of 04:42, 26 May 20082,304 × 3,072 (5.37 MB)Zuzu{{Information |Description=[http://www.elster.com/ Elster] type R15 smart digital electricity meter, upgraded from analog to facilitate automatic meter reading (AMR) |Source=self-made
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