|
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） |
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Working environment |
Operating temperature |
-25℃ ~ +70℃ |
|
|
Relative humidity |
5%~95% No condensation |
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|
Storage temperature |
-30℃ ~ +75℃ |
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|
Altitude |
No more than 4000m |
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Electromagnetic Compatibility |
Surge (impact) immunity |
GB/T 17626.5-2008，Level4 |
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|
Electrical fast burst immunity |
GB/T 17626.4-2008，Level4 |
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|
Electrostatic discharge immunity |
GB/T 17626.2-2006，Level4 |
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|
Power frequency magnetic field immunity |
GB/T 17626.8-2006，Level4 |
Microcomputer Protection
