Wifi electric energy meter AC 230V/400V smart energy meter with RS485 modbus RTU protocol
Negotiable
Min.Order:1
KPM33Multifunction meter-Technical parameters | ||||||||
Input voltage | Rated voltage | AC 3x220V/380V | ||||||
Overall power consumption | <2VA/ | |||||||
Frequency range | 45~65Hz | |||||||
Input current | Rated current | 10-100A | ||||||
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 | ||||||
Insulation resistance | >50MΩ | |||||||
Impact voltage | 5kV(Peak),1.2/50us | |||||||
Working environment | Operating temperature | -25℃ ~ +70℃ | ||||||
Relative humidity | 5%~95% No condensation | |||||||
Storage temperature | -30℃ ~ +75℃ | |||||||
Altitude | No more than 4000m |