Product Overview
KPM73 series three phase multifuation kwh watt meter with accurate power parameter measurement, bidirectation four quadrant energy measurement, statistics, record and other function.
Using advanced ARM processor and digital signal processing technology, digital watt meter. Collect comprehensive three-phase electrical parameters measurement/display, energy accumulation, power quality analysis, multi-rate statistics, digital input/output and communications network in ones.It has fine manufacture process, good electrical insulation and electromagnetic compatibility, large screen LCD liquid crystal display and other advantages.
The meter is designed to measure single phase two wire AC active energy and variable parameter. its data communication rules obey the requirement of DL/T645 or MODBUS-RTU. It is a long life meter with the advantage of high stability , high over load capability. low power loss and small volume
Using advanced ARM processor and digital signal processing technology, digital watt meter. Collect comprehensive three-phase electrical parameters measurement/display, energy accumulation, power quality analysis, multi-rate statistics, digital input/output and communications network in ones.It has fine manufacture process, good electrical insulation and electromagnetic compatibility, large screen LCD liquid crystal display and other advantages.
The meter is designed to measure single phase two wire AC active energy and variable parameter. its data communication rules obey the requirement of DL/T645 or MODBUS-RTU. It is a long life meter with the advantage of high stability , high over load capability. low power loss and small volume
Details Images
1.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.
2.Measure and display the average power factor of the last three months and accurately grasp the amount of monthly reactive energy
consumption.
3.0.5S grade four quadrant power statistics and multi-rate statistics.
4.Demand statistics and record the maximum value,minimum value.
5.Working hours, load time statistics.
6.Time recording function,can record 100 events.
7.Support up to 51th order harmonic calculation,total harmonic distortion rate calculation, unbalance rate,current K factor
calculation.
8.Out of setting alarm function.
9.Standard 1 –way RS485 communication interface, Modbus-RTU protocol,Optional Profibus-DP Communication module.
10.Can be extended 4-way passive switch value input.
11.Can be extended 1-way 4-20mA analog output.
12.1 road passive optical coupler collector active pulse output.
13.Can be extended 1-way PT100 temperature input.
14.256 points / cycle voltage, current sampling, to ensure measurement accuracy.
15.FSTN large screen LCD,bright LED backlight uniform display,in the bright light and large viewing angle environment to obtain a
good visual effect.
current,active power,reactive power,apparent power,active energy,reactive energy,power factor,frequency.
2.Measure and display the average power factor of the last three months and accurately grasp the amount of monthly reactive energy
consumption.
3.0.5S grade four quadrant power statistics and multi-rate statistics.
4.Demand statistics and record the maximum value,minimum value.
5.Working hours, load time statistics.
6.Time recording function,can record 100 events.
7.Support up to 51th order harmonic calculation,total harmonic distortion rate calculation, unbalance rate,current K factor
calculation.
8.Out of setting alarm function.
9.Standard 1 –way RS485 communication interface, Modbus-RTU protocol,Optional Profibus-DP Communication module.
10.Can be extended 4-way passive switch value input.
11.Can be extended 1-way 4-20mA analog output.
12.1 road passive optical coupler collector active pulse output.
13.Can be extended 1-way PT100 temperature input.
14.256 points / cycle voltage, current sampling, to ensure measurement accuracy.
15.FSTN large screen LCD,bright LED backlight uniform display,in the bright light and large viewing angle environment to obtain a
good visual effect.
Product Paramenters
Working power supply | Rated voltage | AC85~265V/DC80~300V | ||||
Rated power consumption | <3VA | |||||
Input Voltage | Rated voltage | 57.7/100V, 220V/380V, 380/660V(Customized) | ||||
Threshold value | 5V | |||||
Overload capacity | 1.2 times rated voltage, continuous operation, 2 times rated voltage, allow 10S | |||||
Power consumption | <0.75VA/phase (Rated 5A) | |||||
Measurement range | Phase voltage (LN):50~260VAC Line voltage(LL):90~450VAC | |||||
Input current | Rated current | Default 5A,Input range 1-6A;Optional 1A | ||||
Threshold value | 5A Configuration,5mA; 1A Configuration | |||||
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) | |||||
Measurement range | 8A:0~6A, 1A:0~1.2A | |||||
Input/Output | Switch 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 output | Measure range 0℃~100℃ | |||||
Power quality monitoring | Harmonic measurement | Voltage/current2~51th harmonic distortion rate, total harmonic distortion rate | ||||
Harmonic distribution rate | Phase voltage, line voltage | |||||
Umbalance 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%(0.1var) | |||||
Active energy | ±0.5(0.1kWh) | |||||
Reactive energy | ±2.0%(0.1kvarh) | |||||
Power factor | ±0.5%(0.001) | |||||
Frequency | ±0.02Hz(0.01Hz) | |||||
Communication | Communication interface | RS485 photoelectric isolation interface | ||||
Communication protocol | Modbus-RTU, 1200~19200bps | |||||
Electric insulation | Power frequency withstand voltage | AC2/kV/min~1mA input-output-power (GB/T13829) | ||||
Insulation resistance | >50MΩ | |||||
Impact voltage | 5kV (peak),1.2/50μs | |||||
Working environment | Working temperature | -25℃ ~ +70℃ | ||||
Related humdity | 5%~95% no condensation | |||||
Storage environment | -30℃ ~ +75℃ | |||||
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