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|Description||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) 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
|Date||20 May 2008|
(Reusing this file)
Elster Type R1S electricity meter.jpeg
Creative Commons Attribution-Share Alike 3.0 Unported
|Orientation of image||1|
|Image resolution in width direction||72|
|Image resolution in height direction||72|
|Unit of X and Y resolution||2|
|Exposure time||1/100 sec (0.01)|
|F number||f / 2.8|
|ISO speed rating||100|
|Compressed bits per pixel||8|
|Lens focal length||7.9 mm|
|Date and time original image was generated||2008:05:20 12:28:59|
|Date and time image was made digital data||2008:05:20 12:28:59|
|Maximum lens aperture||3|
|Supported Flashpix version||0100|
|Color space information||1|
|Exif image width||2304|
|Exif image length||3072|
|Software used||Pixelmator 1.2|
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