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  • KPM51 Multifunction meter
  • KPM51 Multifunction meter
  • KPM51 Multifunction meter
  • KPM51 Multifunction meter
  • KPM51 Multifunction meter

KPM51 1-phase power meter

KPM51 is single-phase multifunction smartpower meters, it is a collection of telemetry, remote communications, remote control, transmitter ,it withfeature-rich, cost-effective, can be independently used in different occasions.
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Overview Function Specifications Wiring Diagram Download
     KPM51 is single-phase multifunction smart power meters, it is a collection of telemetry, remote communications, remote control, transmitter ,it with feature-rich, cost-effective, can be independently used in different occasions power measurement and display, helping customers save investment and use of space, it has been widely used in various industries.

Application occasion

口Alternative analog pointer table
口Display and control of electrical parameters in distribution System
口Collect energy consumption data that cost center analysis needs
口Green building or DC


Function features

口 Measuring single-phase AC voltage, current, active / reactive power, power factor, frequency.
口 Working hours, load time statistics.
口 1 –way RS485 communication interface, Modbus protocol.
口 Can be extended 2-way passive switch value input.
口 Can be extended 2-way relay output.
口 Can be extended 1-way 4-20mA analog output.
口 1 road passive optical coupler collector active pulse output.
口 Can be extended 1-way PT100 temperature input.
口 Excellent temperature characteristics and work stability.
口 FSTN large screen LCD, bright LED backlight uniform display, in the bright light and large viewing angle environment to obtain a good visual effect.


KPM51Multifunction meter-Technical parameters
Working power source Operating Voltage AC85~265V/DC80~300V
  Rated power ＜3VA
Input voltage Rated voltage 220V
  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 5~260VAC，
  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）
  Frequency range 45~65Hz
Input/Output Switch value input 2-way passive main line contact DI input, internal supply DC24V power source
  Relay output 2-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℃
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)
  Temperature ±1℃（1℃）
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 (Shock) 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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