APL -34 WB Three phase Electronic meter is designed for the measurement of Bi-Directional electric energy in households and at commercial areas in 3 phase 4 wire networks. APL-34WB Meter provides a comprehensive Import & Export tariff structure as per DDS-60:2020 suitable for the most complex metering applications at domestic, commercial and industrial vicinities.


  • 3 Ø, 3Element 4 WIRE, 3×230/400 V, 10/100 Amp, 50 Hz
  • Additional EEPROM/ Flash Memory to store/protect the data as a backup storage memory
  • Bidirectional meter with both Import and Export energy measurement in separate registers
  • MDI (Active and Reactive Energies ) with Interval period
  • Programmable facility to Reset MDI manually and automatically
  • Multi-Energy Measurement , Recording and Billing
  • The meter can be programmed with Windows based software
  • Meter incorporates Bi-Directional communication port
  • Per Phase Voltage and Current measurement
  • Total Instantaneous kW Measurement
  • Average Power Factor of Current Month
  • Three Channel Recording of 90 Days Load Profile Data
  • Three Channel recording of kWh, kVArh, kW daily data for Five (05) years
  • Four TOD periods of kWh and kVArh
  • Four Programmable Seasons
  • Large Digit Liquid Crystal Display (LCD)
  • Internal & External Real Time Clock and Calendar with battery back-up
  • Super Capacitor back-up for 7 Days to maintain date & time in absence of power
  • Extensive Security features
  • Energy meter keeps on recording as long as voltage exists on any two terminals of the energy meter with or without neutral
  • Normal Mode, Alternate & Test Mode items are displayable even if Meter is in ‘Power-Off state’
Three Phase Meter


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