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4-Noks 3 Phase Energy Meter 2018-12-17T12:20:28+00:00

3 Phase Energy Meter

4-noks

The ZR-HM3 is an electricity meter designed to measure the electrical consumption in civil, commercial and industrial applications. It can monitor voltage, current, power and energy from two three-phase lines or from six single-phase lines.

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Thanks to the external current transformer it can measure the phase true current up to 50A, 100A or 200A, the real time power up to 50 kW and has an energy counter. All the functions are activated by simple ModBus commands issued to the Gateway that transforms those commands in wireless commands. The device is continuously powered by 230 Vac; therefore it can also act as a repeater or a parent device for battery powered sensors.

  • Real Time three phase Electricity Active Power or six single phase Electricity Active Power
  • Measurement up to 100A by phase with external CT included
  • ModBus profile on ZigBee platform
  • Supply 230 Vac
  • Star configuration only
  • External antenna
  • Diagnostic led
  • Din rail mounted
  • Precision class 1

General characteristics

  • ZigBee device / Compatibile IEEE 802.15.4 / ModBus RTU / Device address settable via internal dip-switch

Radio characteristics

  • Frequency: 2405 MHz ÷ 2480 MHz
  • Nominal transmission power: 10mW (10 dBm)
  • Reception sensitivity: 103 dBm
  • External antenna gain: 5,5 dB
  • Coverage outdoor/indoor: 200m/50m

Measurement

  • True phase voltage (Vrms) (max 400 V) – Phase true current (Irms) (max 100A)
  • Phase active power (max 35kW) – Total active power (max 50kW)
  • Phase reactive power – Total reactive power – Phase apparent power
  • Total apparent power – Power factor ≥ 0.65 – Phase active/reactive energy
  • Total active/reactive energy – Rms current 1.5%, Rms voltage 1.5%
  • Precision:
  • Power Factor = 1
  • 1.5 % from 5% to 100% of the nominal power
  • 2.5% under 5% of the nominal power
  • Power Factor = 0.65
  • 1.5 % from 10% to 100% of the nominal power
  • 2.5% under 10% of the nominal power

Connections

  • DIN rail. Available in 6 DIN module size 105 x 110 x 60 mm

Power supply

  • 230 Vac

Antenna

  • External antenna

Environmental parameters

  • Operating temperature: 0°C ÷ +50°C; <80% U.R. not condensing
  • Storage temperature: -20 °C÷ +70°C; <80% U.R. not condensing

IP Protection

  • IP30

Conformity

  • Community Directives 2006/95/EC, 89/336/EEC, 99/5/EEC

Norme di riferimento

  • EN62053-21: Active energy counting – Class 1 ±1%; EN62053-23: Reactive energy counting – Class 3 ±3%
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