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Larsen & Toubro Limited

ER300P Energy Meter

Type:  Sensor
Description:  ER300P is an energy meter that measures active, reactive and apparent energies on 3 phase 4 wire systems in all four quadrants
Connectivity:  Modbus RTU
Features:  8 energy accumulators - kWh, kVArh lag, kVArh lead & kVAh in import and export directions; Measures instantaneous parameters - phase wise voltages, phase wise currents, powers, frequency, rising demand, phase sequence, power factor and date & time; Data collection is possible through optically isolated serial interface, using a PC or MRI, or on Modbus on RS485; Supports "time of day" or "time of use" operation, which is programmable; Maximum demand registers with programmable Block/Sliding methods, integration periods and energy types; Load survey recorders with programmable integration period and parameter selection; Able to detect tampering/fraud; Internal Battery option available to view display, collect data and to perform a manual reset during power failure.
Specifications:  See attached spec. sheet.