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NR10 DIN Rail Multifunction Power Meter

Brand: LUMEL S.A.

NR10 is a 100A, single phase energy meter with bi-directional energy measurement ideal for Solar PV metering. 

With a Modbus communication port, the unit allows for remote monitoring and can measure a wide variety of parameters. 

The blue back-lighted LCD screen for perfect reading makes this device suitable for industrial, residential, and utility applications.
Features
  • Measures kWh, Kvarh, KW, Kvar, KVA, PF, Hz, dmd, V, A, and more 
  • Bi-directional measurement IMP & EXP 
  • Two pulse outputs 
  • Din Rail mounted 
  • 100A direct connected 
  • Class 1.0 accuracy 
  • 36mm width 2 modual

Specifications

Brand

Measured Parameters

  • The unit can monitor and display the following parameters of a single phase two wire (1p2w) system.

Voltage and Current

  • Phase to neutral voltages 176 to 276 V a.c.
  • Imin-Iref (Max.) 0.5-10(100A)

Power Factor and Frequency and Maximum Demand

  • Frequency in Hz
  • Power 0 to 3600 MW
  • Reactive power 0 to 3600 MVAr
  • Volt-amps 0 to 3600 MVA
  • Maximum demanded power since last Demand reset Power factor

Imported/Exported Active Energy

  • 0 to 99999.99 kWh

Imported/Exported Reactive Energy

  • 0 to 99999.99 kVArh

Total Active Energy

  • 0 to 99999.99 kWh

Total Reactive Energy

  • 0 to 99999.99 kVArh

Nominal Voltage Input

  • (Ph+N) 176 to 276 V

Maximum Continuous Voltage

  • 120 % of nominal

Nominal Input Current

  • 0.5-10(100)A

Maximum Continuous Current

  • 120 % of nominal

Nominal Input Current Burden

  • 0.5 VA

Measured Input Frequency

  • 50/60 Hz(± 10 %)

Voltage

  • 0·5 % of Range Max.

Current

  • 0·5 % of nominal

Accuracy Frequency

  • 0·2 % of mid-frequency

Power Factor

  • 1 % of unity (0.01)

Active Power (W)

  • ± 1 % of Range Max.

Reactive Power (VAr)

  • ± 1 % of Range Max.

Apparent Power (VA)

  • ± 1 % of Range Max.

Active Energy (Wh)

  • Class 1 IEC 62053-21

Reactive Energy (VARh)

  • ± 1 % of Range Max.

Interfaces

  • RS-485 communication channel that can be programmed for Modbus RTU protocol
  • Relay output indicating real-time measured energy.(configurable)

Rate can be set to generate 1 pulse per

  • 0.001 = 1 Wh/VArh (default)
  • 0.01 = 10 Wh/VArh
  • 0.1 = 100 Wh/VArh
  • 1 = 1 kWh/kVArh

Pulse Width

  • 200/100/60 ms.

Baud Rate

  • 1200
  • 2400
  • 4800
  • 9600

Parity

  • none (default)
  • odd
  • even

Stop bits

  • 1 or 2

RS-485 Network Address

  • 3-Digit number, 1 to 247

Ambient Temperature

  • 23° C ± 1° C

Input Waveform

  • 50/60 Hz ± 2 %

Auxiliary Supply Voltage

  • Nominal ± 1 %

Auxiliary Supply Frequency

  • Nominal ± 1 %

Auxiliary Supply Waveform (if AC)

  • Sinusoidal (distortion factor < 0·05)

Magnetic Field of External Origin

  • Terrestrial flux

Operating Temperature

  • -25° C to +55° C

Storage Temperature

  • -40° C to +70° C

Relative Humidity

  • 0 to 95 %, non-condensing

Altitude

  • Up to 3000 m

Warm up Time

  • 1 minute

Vibration

  • 10 Hz to 50 Hz, IEC 60068-2-6, 2 g

Shock

  • 30 g in 3 planes

DIN Rail Dimensions

  • mm x mm (WxH) per DIN 43880

Mounting

  • DIN rail (DIN 43880)

Sealing

  • IP51 indoor

Material

  • Self-extinguishing UL 94 V-0Energy Measurements
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