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Three Phase GRPS Smart Electricity Meter

The meter is manufactured by ISO9001 standards and IP54 protection rating. It offers two way communication by DLMS/COSEM protocol via modular Ethernet/GPRS/PLC/RF com port and allows dynamic AMI interactions and reliable metrological operations at the same time.

Main Features

  •    1, Automatic data logging usage and load profiles
  •    2, Detection of significant reverse energy (SRE)
  •    3, IEC62056-21 compliant optical & RS485 port allowing for easy data interrogation
  •    4, On-demand and automatic load limiting profile settings
  •    5, Built-in contactor and relay to remotely disconnect load and sub-meters (on request)
  •    6, Tamper detection and event record such as cover open, black-out, magnetic field
  •    7, Maximum demand measurement
  •    8,Detailed power information such as phase voltage, current, total active power, reactive power, apparent power, total power factor, power          grid frequency
  •    9, PLC/ RF/ GPRS/GSM communication with a head-end AMR/AMI server
  •    10, Time of Use (TOU) / 4 tariffs /8 time divisions /100 holidays.
  •    11, DLMS/COSEM , IEC62056 protocol compliant

Electrical parameters:

Nominal voltage Un

3x240V

Limited voltage

60%~120%Un

Frequency

50/60Hz+5%

Basic current(Ib)

10A

Maximum current(Imax)

100A

Starting current(Ist)

30mA

Active energy constant

400imp/kWh

Accuracy

 

Active energy IEC6205321

Class1.0

Reactive energy IEC6205323

Class2.0

Burden

 

Voltage circuit

<2W  <8VA

Current circuit

<1VA

Temperature range

 

Operation

-25 to+70

Storage

-40 to+85

 

Insulation strength

Insulation  level

4kV , 1min

Voltage Impulse withstand

8kV, 1.2/50μs

 

 

Electro Magnetic Compatibility

Electrostatic discharges

 

Contact discharge

8kV

Air discharge

16kV

Electromagnetic RF fields

 

27MHz to 500MHz typical

10V/m

100kHz to 1GHz typical

30V/m

Fast transient burst test

4kV

Mechanical requirements

 

Protection Rating

                          IP54                          

Insulation Classification

Protective Class II

Maximum cable size

10 mm

 

 

     

 

 

 

 

 

 

 

 

 

 

 

 

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