KPM31Multifunction meter-Technical parameters |
Input voltage |
Rated voltage |
AC 110V/220V |
|
Overall power consumption |
<5VA/ |
|
Frequency range |
45~65Hz |
Input current |
Rated current |
1,5(6)A,10(60)A,20(100)A |
|
Frequency range |
45~65Hz |
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) |
Clock |
Clock accuracy |
<0.5S/D |
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 (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 |