KPM73 Multifunction Power Meter
KPM73 Multifunction power meter with accurate measurement of power parameters, bi-directional four-quadrant energy measurement, time and load statistics, recording functions, using advanced ARM processor and digital signal processing technology. It integrates with comprehensive three-phase electrical parameters measurement and display, energy consumption, power quality analysis, multi rates statistics, switch input, digital output and communications networks in one, with finely manufacturing process, good electrical insulation and electromagnetic compatibility, large-screen LCD liquid crystal display, etc.
Features
- Digital panel power meter, standard 96*96mm panel installation
- Multifunction measurement, support three phase voltage, current, power, power factor, frequency, 4 quadrant energy, 2-51st harmonics, etc. measurement.
- Standard RS485 MODBUS RTU communication, optional 2nd loop Modbus RTU communication and Profibus-DP communication
- Optional 4 DI, 4 DO, 1 Temperature input, etc.
- High measuring voltage range, upto 380V/660V.
Functions of KPM73 Multifunction power meter
- Digital panel multifunction power meter
- Full electrical parameter measurement: UL-L, UL-N, I, F, PF, P, Q, S, four-quadrant energy, etc.
- High accuracy:
- U Class 0.2;I Class 0.2
- P Class 0.5S; Active energy Class 0.5S
- Power quality analysis:
- 2-51st harmonic analysis;I/U Total distortion rate;
- Crest coefficient;Valley coefficient;
- Current, Voltage imbalance rate;Setpoint limit alarm function.
Record function:
- Monthly average power factor and power data for the last three months
- Electrical parameters maximum and minimum data
- Meter working time, load time statics&100 events record.
- Communication: RS485/Modbus-RTU; Profibus-DP
- Power quality: H–2-51st harmonic analysis
- Optional function: P–Profibus-DP communication; DM—Demand analysis
KPM73 Multifunction Power MeterTechnical Tables
|
Working power source |
Operating Voltage |
AC 85-265V/ DC 80-310V |
|
Rated power consumption |
< 3VA |
|
|
Input voltage |
Rated voltage |
57.7/100V,220/380V,380/660V |
|
Overvoltage capability |
1.2 times rated voltage allowed, continuous work; 2 times the rated voltage allowed 10S |
|
|
Rated power consumption |
<0.5VA(per phase) |
|
|
Measurement range |
LN：50~260VAC， LL：90~450VAC |
|
|
Input current |
Rated current |
Default 5A, input range 1-6A; optional 1A, input range 1-1.2A |
|
Overload capacity |
1.2 times rated current allowed, continuous work; 20 times the rated current allowed 1S |
|
|
Rated power consumption |
＜0.75VA/phase（5A）; <0.45VA/phase (1A) |
|
|
Measurement range |
5A：0~6A； 1A：0~1.2A |
|
|
Power quality monitor |
Harmonic measurement |
U/I 2-51st harmonic distortion rate |
|
Harmonic distortion rate |
Phase voltage，Phase current |
|
|
Imbalance rate |
Voltage，Current |
|
|
Measurement accuracy |
Voltage |
±0.2%（0.01V） |
|
Current |
±0.2%（0.01A） |
|
|
Active power |
±0.5%（0.01W） |
|
|
Reactive power |
±2.0%（0.01var） |
|
|
Power factor |
±0.5%（0.001） |
|
|
Frequency |
±0.02 (0.01Hz) |
|
|
Active energy |
±0.5%（0.1kwh） |
|
|
Reactive energy |
±2.0%（0.1kvarh） |
|
|
Temperature |
±1℃（1℃） |
|
|
Communication |
communication port |
RS485，Photoelectric isolation interface |
|
Communication protocol |
Modbus-RTU, 1200-38400BPS Probibus-DP，9600-12Mbps |
|
|
DI & DO |
Switch value input |
4-way passive main line contact DI input, internal supply DC24V power supply |
|
Relay output |
4-Way DO output, contact capacity 250VAC / 5A, 30VDC / 5A |
|
|
Analog output |
Output range 4-20mA, overload 1.2 times |
|
|
Temperature input |
Temperature range 0-100℃ |
|
|
Working environment |
Operating temperature |
-25℃ ~ +70℃ |
|
Storage temperature |
-30℃ ~ +75℃ |
|
|
Relative humidity |
5% ~ 95% No condensation |
|
|
Altitude |
Not more than 4000m |
|
|
Electrical insulation |
Dielectric strength |
Power frequency voltage AC 2kV, working time 1 min |
|
Insulation resistance |
＞50MΩ |
|
|
Impact voltage |
5kV (Peak),1.2/50us |
|
|
Electromagnetic Compatibility |
Electrostatic discharge immunity |
IEC61000-4-3, level 4 |
|
Fast pulse group immunity |
IEC61000-4-4, level 4 |
|
|
Surge immunity |
IEC61000-4-5, level 4 |
|
|
Power frequency magnetic field immunity |
IEC61000-4-8, level 4 |
KPM73 Multifunction Power Meter Application
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