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KPM31 Single phase wireless WIFI 4G DIN rail prepaid energy meter
KPM31 Single phase wireless WIFI 4G DIN rail prepaid energy meter
KPM31 single phase din rail prepaid energy meter is in full compliance with 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 aplicatioon 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
1.Energy and energy efficiency management system.
2.Internal energy consumption statistical analysis and charging statistics basis.
3.Energy metering,automatic meter reading system.
4.Intelligent distribution management system.
Function
Model Selection
Specification
Application scenerio
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Function
- Single phase din rail prepaid energy meter
- Full electrical parameter measurement:
- U, I, F, PF, P;
- active and reactive energy, etc.
- High accuracy:
- Voltage accuracy Class 0.2
- Current accuracy Class 0.2
- Power accuracy Class 0.5
- Active energy Class 0.5
- Reactive energy accuracy Class 2.0
- Record function:
- 12 month energy consumption frozen data;
- Meter working time, load time statics.
- Other features:
- Communication：WIFI/4G based on MQTT; RS485 based on MODBUS RTU
- Installation method：DIN rail 35MM
- Optional remote control
Model Selection
KPM31 single phase din rail smart energy meter
Specification
|
Input Voltage |
Working Voltage |
AC 110V/220V |
|
Frequency range |
45-65Hz |
|
|
Rated power consumption |
KPM31A：＜2VA，KPM31B：＜3VA |
|
|
Input current |
Rated current |
5-63A |
|
Frequency range |
45-65Hz |
|
|
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） |
|
|
Clock |
Clock accuracy |
<0.5S/D |
|
Communication |
communication port |
RS485，Photoelectric isolation interface |
|
Communication protocol |
Modbus-RTU, 1200-19200BPS |
|
|
Working environment |
Operating temperature |
-10℃ ~ +55℃ |
|
Storage temperature |
-20℃ ~ +75℃ |
|
|
Relative humidity |
5% ~ 95% No condensation |
|
|
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 |
IEC61000-4-2, 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 |
Application scenerio
KPM31A single phase din rail smart energy meter direct access typical wiring diagram
KPM31B single phase din rail smart energy meter direct access tipycal wiring diagram
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152/F PECHS, Block 2, Karachi, Pakistan
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