Product name
Three-phase embedded electrical parameter measurement module
Voltage range
3*220/380V three-phase four-wire system
measurement accuracy
Voltage, current, power: ±1.0%; active power level 1
Signal processing
Using dedicated metering chip, 24-bit AD
input resistance
Voltage channel>1KΩ/V, current channel ≤100mΩ.
Power supply
DC 3.3V/DC 5-12V (optional)
Interface Type
RS-485 communication interface
Protocol
MODBUS-RTU protocol
Data Format
Software can set "n,8,1", "e,8,1", "o,8,1", "n,8,2"
Temperature drift
≤100ppm/℃
