page_title: Automatic meter reading
hierarchical_section_title: Automatic meter reading
caption_attribution_description: 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).
context_page_description: Automatic meter reading is the technology of automatically collecting consumption, diagnostic, and status data from water meter or energy metering devices and transferring that data to a central database for billing, troubleshooting, and analyzing.
  This technology mainly saves utility providers the expense of periodic trips to each physical location to read a meter. Another advantage is that billing can be based on near real-time consumption rather than on estimates based on past or predicted consumption. This timely information coupled with analysis can help both utility providers and customers better control the use and production of electric energy, gas usage, or water consumption.
  AMR technologies include handheld, mobile and network technologies based on telephony platforms, radio frequency, or powerline transmission.
context_section_description: Automatic meter reading (AMR) is the technology of automatically collecting consumption, diagnostic, and status data from water meter or energy metering devices (gas, electric) and transferring that data to a central database for billing, troubleshooting, and analyzing.
  This technology mainly saves utility providers the expense of periodic trips to each physical location to read a meter. Another advantage is that billing can be based on near real-time consumption rather than on estimates based on past or predicted consumption. This timely information coupled with analysis can help both utility providers and customers better control the use and production of electric energy, gas usage, or water consumption.
  AMR technologies include handheld, mobile and network technologies based on telephony platforms (wired and wireless), radio frequency (RF), or powerline transmission.
caption: Older US residential electric meter base, retrofitted with a 1-phase digital smart meter.  The meter communicates to its collection point using 900 MHz mesh network topology.
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