L&t Er300p Meter User Manual

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  1. L&t Energy Meter Er300p User Manual

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Type: Sensor
L&t Er300p Meter User Manual
Description: ER300P is an energy meter that measures active, reactive and apparent energies on 3 phase 4 wire systems in all four quadrants
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.

(Specification Sheet)

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L&t Energy Meter Er300p User Manual

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Electronic kWh Meter

  • Single and three phase versions available
  • Current reversal indication
  • LED indication proportional to kWh for on-spot calibration
  • Six digit counter
  • Dust proof body, rugged construction, elegant polycarbonate casing
  • Not affected by mounting position
  • Not affected by external magnetic field
  • Earth load tamper indication in single phase energymeter.
    Three phase energymeters work even on neutral removal
Electronic kWh Meter

Trivector Meter: Type – ER300P

  • 0.2 / 0.5 / 1.0 class accuracy
  • Multi tariff capability with programmable TOD
  • Three programmable maximum demand (MD) registers
  • Tamper / failure detection and record capability
  • Communication interface via optical port conforming to
  • IEC 1107 protocol/RS 2321RS 485
  • Battery back-up for data collection
  • Available in projection ft flush mounting versions

Trivector Meter:
Type – ER300P

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Energy Management System, Power Navigator Type ER300N

  • 0.5 / 1.0 class accuracy
  • User friendly software for PC operation
  • Communication interface via RS485 port and MODBUS protocol
  • Back lit LCD display
  • Front panel programming

Energy Management System,
Power Navigator Type ER300N

Flush Mounted Three-Phase Energy Meter: Type – ACRUX

  • Flush mounting – 96mm X 96mm overall size (Cutout size-92mm X 92mm)
  • Compact and light M/s L & Tight
  • Class I accuracy as per IS 13779
  • LED indication proportional to kWh for on spot calibration
  • Meter records correct energy
    • (a) Irrespective of current direction
    • (b) Balance and unbalance condition with any phase sequence

Flush Mounted Three-Phase
Energy Meter: Type – ACRUX

Intelligent Panel Meter: Type – QUASAR

  • All instantaneous and cumulative values
  • Flush mounting – 96mm X 96mm overall size (cutout size-92mm X 92mm)
  • Class I accuracy
  • Separate display of fundamental and total harmonic values for currents and voltages of all phases
  • Front panel programing
  • Communication interface via RS 485 port ft MODBUS protocol

Intelligent Panel Meter:
Type -QUASAR

Demand Controller: Type – ER300D

  • 4 output outputs for early alarms and tripping of non-essential loads
  • MD control by monitoring rising demand
  • 0.5 / 1.0 class accuracy
  • User friendly software for PC operation
  • Communication interface via RS 485 port & MODBUS protocol
Demand Controller:
Type-ER300D