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            KPM31 1-phase rail energy meter

            KPM31 single-phase rail smart meter in full compliance with the national standard GB / T7215-2008 and the international standard IEC62053: 2003 on the 0.5S-class energy meter of the relevant technical requirements, ituse microelectronic tec
            Overview Function Specifications Wiring Diagram Download
                KPM31 single-phase rail smart meter in full compliance with the national standard GB / T7215-2008 and the international standard IEC62053: 2003 on the 0.5S-class energy meter of the relevant technical requirements, it use microelectronic technology and imported large-scale integrated circuits, it also application digital sampling Processing technology and SMT technology and other advanced technology , it can be directly and accurately measure the rated frequency of 50 / 60Hz AC active power, it use LCD7 + 1 bit LCD display, with high reliability, small size, easy installation and so on.

            Application occasion
            口Energy and energy efficiency management system.
            口Internal energy consumption statistical analysis and charging statistics basis.
            口Energy metering, automatic meter reading system.
            口Intelligent distribution management system.


            Example: KPM 31A-1.5(6):Rated AC220V /1.5A(Max 6A), basic type multi-rate energy statistics, historical energy statistics single-phase guideway type smart meter.

            Basic Functions

            口Measurement of three-phase voltage, current, active power, reactive power, apparent power, power factor, frequency, active energy, reactive energy.
            口Multi-rate energy statistics, a day can be set up to eight time periods, four kinds of rates.
            口Historical power statistics function.
            口Rated current optional.
            口1 road passive optical coupler collector active pulse output.
            口1 –way RS485 communication interface, Modbus communication.
            口7 +1 bit LCD display a variety of power parameters and information.
            口Built-in clock and maintenance-free battery, battery capacity real-time monitoring, data is permanently saved after power off.
            口Application of large-capacity magnetic retention relay,Load on-off control.


             KPM31Multifunction meter-Technical parameters
            Input voltage  Rated voltage AC 110V/220V
              Overall power consumption <5VA/
              Frequency range 45~65Hz
            Input current Rated current 1,5(6)A,10(60)A,20(100)A
              Frequency range 45~65Hz
            Measurement accuracy Voltage ±0.2%(0.01V)
              Current ±0.2%(0.01A)
              Active power ±0.5%(0.1W)
              Reactive power ±2.0%(0.1kvar)
              Active energy ±0.5%(0.1kWh)
              Reactive energy ±2.0%(0.1kvarh)
              Power factor ±0.5%(0.001)
              Frequency ±0.02Hz(0.01Hz)
            Clock  Clock accuracy <0.5S/D
            Communication Communication interface RS485,Photoelectric isolation interface
              Communication protocol Modbus-RTU,1200~38400bps
             Electrical insulation Power frequency withstand voltage AC2kV/min~1mA Input-output-power source (GB/T 13729)
              Insulation resistance >50MΩ                            (GB/T 13729)
               Impact voltage 5kV(Peak),1.2/50us    (GB/T 13729)
             Working environment  Operating temperature -25℃ ~ +70℃
              Relative humidity 5%~95% No condensation
              Storage temperature -30℃ ~ +75℃
               Altitude No more than 4000m
             Electromagnetic Compatibility  Surge (impact) immunity GB/T 17626.5-2008,Level4
              Electrical fast burst immunity GB/T 17626.4-2008,Level4
              Electrostatic discharge immunity GB/T 17626.2-2006,Level4
              Power frequency magnetic field immunity GB/T 17626.8-2006,Level4

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