Single phase meters measure energy consumption
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Finder product story
Edited by the Engineeringtalk editorial team
Jan 26, 2006
Single phase kilowatt-hour totalising meters measure or monitor energy consumption at residential, commercial and industrial installations.
The 7E series single phase kilowatt-hour totalising meters from Finder have been designed for the measurement, recording and display of individual energy consumption for loads drawing up to a maximum of 65A.
The meters are for applications in residential, commercial and industrial installations where the consumption of energy needs to be measured or monitored.
This might be either to help meet government targets for reduced emissions by lowering energy consumption, or to allow metering of locally billed electricity supplies.
Typical areas of use might include test laboratories, the individual monitoring of machines, control cabinets and switchboards, in battery charging equipment, or for hook-up supplies to campers, caravans and boats.
The meters can be Din-rail mounted and installed in a standard consumer unit.
A high resolution pulsed open-collector output allows accurate remote monitoring.
The two models in the series, the 7E-13 and 7E-16, are rated for maximum current levels of 32 and 65A respectively, for a supply voltage of 230V AC at 50Hz.
The display counter has a 4mm high, seven-digit display with a red decimal digit, giving a maximum totalising count of 999,999.9kWh.
Both models have a maximum resolution of 100Wh, and their accuracy is specified as Class One (+/-1%).
Rated power is 8VA and the meters are housed in standard packages with simple direct wiring connections.
They are PTB approved to EN 61036, and carry CE type approval for EMC.
The 7E-13 is a single unit width (17.5mm) with the digits arranged vertically, while the 7E-16 is double unit width (35mm) and has a horizontal digital display.
Both models have a flashing red LED as a quick visual indication of operational status.
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