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            KPM73 Multifunction power meter

            KPM73 Series Multifunction Meter with accurate measurement of power parameters, bi-directional four-quadrant energy measurement, statistics, recording functions, using advanced ARM processor and digital signal processing technology.
            Overview Function Specifications Wiring Diagram Download
                KPM73 Series Multifunction Meter with accurate measurement of power parameters, bi-directional four-quadrant energy measurement, statistics, recording functions, using advanced ARM processor and digital signal processing technology. Set a comprehensive three-phase electrical parameters measurement / display, energy accumulation, power quality analysis, multi rates statistics, digital input / output and communications networks in one. Has a fine manufacturing process, good electrical insulation and electromagnetic compatibility, large-screen LCD liquid crystal display, etc.

            Application occasion

            □Measure, monitoring power distribution system parameters
            □Collect energy consumption data that cost center analysis needs
            □Limit monitor alarm (such as over voltage, power consumption)
            □ Power quality analysis
            □Green building or DC


            Function features

            □ Measure over 30 kinds of basic electricity such as phase / line voltage, three-phase current, zero sequence voltage, zero sequence current, active power, reactive power, apparent power, active energy, reactive energy, power factor, frequency.
            □ Measure and display the average power factor of the last three months and accurately grasp the amount of monthly reactive energy consumption.
            □ 0.5S grade four quadrant power statistics and multi-rate statistics.
            □ Demand statistics and record the maximum value, minimum value.
            □ Working hours, load time statistics.
            □ Time recording function, can record 100 events.
            □ Support up to 51th order harmonic calculation, total harmonic distortion rate calculation, unbalance rate, current K factor calculation.
            □ Out of setting alarm function.
            □ Standard 1 –way RS485 communication interface, Modbus-RTU protocol, Optional Profibus-DP Communication module.
            □ Can be extended 4-way passive switch value input.
            □ Can be extended 1-way 4-20mA analog output .
            □ 1 road passive optical coupler collector active pulse output.
            □ Can be extended 1-way PT100 temperature input.
            □ 256 points / cycle voltage, current sampling, to ensure measurement accuracy.
            □ FSTN large screen LCD, bright LED backlight uniform display, in the bright light and large viewing angle environment to obtain a good visual effect.



            KPM73Multifunction meter-Technical parameters
            Working power source Operating Voltage AC85~265V/DC8~300V
              Rated power <3VA
            Input voltage Rated voltage 57.7/100V、220/380V、380V/660V(Need to customize)
              Sill value 5V
              Overload capacity 1.2 times rated voltage allowed, continuous work; 2 times the rated voltage allowed 1second
              Power consumption <0.5VA/phase(rated)
              Measurement range Phase voltage(LN):50~260VAC,line voltage(LL):90~450VAC
              Frequency range 45~65Hz
            Input current Rated current Default 5A,Input range 1-6A;Optional 1A,Input range 1-1.2A
              Sill value 5A Configuration,5mA;1A Configuration,0.8mA
              Overload capacity 1.2 times rated current allowed, continuous work; 20 times the rated current allowed 1 second
              Power consumption <0.75VA/phase(Rated current 5A);<0.25VA/phase(Rated current 1A)
            Input,output Switch value input 4-way passive main line contact DI input, internal supply DC24V power source
              Relay output 4-way DO output,Contact capacity 250VAC/5A,30VDC/5A
              Analog output Output range 4~20mA,overload allows 1.2times
              Temperature input Measure range 0℃~100℃
            power quality monitor Harmonic measurement Voltage/current2~51th harmonic distortion rate、total harmonic distortion rate.
              Harmonic distortion rate Phase voltage, line voltage
              Imbalance rate Voltage. current
            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)
              emperature ±1℃(1℃)
            Communication Communication interface RS485、Profibus-V1,Photoelectric isolation interface
              Communication protocol Modbus-RTU,1200~38400bps;
            Probibus-DP,9600~12Mbps
            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


            Explanation
            1. The wiring diagram is suitable for high voltage three-phase three-wire system, low voltage three-phase four-wire system, regard to other system wiring please refer to KPM73 instruction manual
            2. Analog output AO- and switch input common COM share one terminal.
            3. Terminal that without function description is invalid.
            4. The function of dotted lines is optional.
            5. The final interpretation belongs to Compere.

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