• provide single-phase and three-phase electrical parameters measurement, measurement accuracy with a magnitude of 0.5.
> include current, voltage, frequency, power factor, active power, reactive power, etc
• power consumption statistics
> bidirectional power consumption data
> power pulse output
• the power quality analysis
> monitoring total power harmonic distortion rate
> 2 ~ 31 harmonic distortion rate
> current three-phase voltage imbalance
> K coefficient
> phone harmonic factor
> crest factor
• demand and the most value statistics
• scalable I/O function module
> 4 road digital quantity input
> 2 road relay output
• extensible 4 ~ 20 ma analog output
• RS485 communication interface
• The limit alarm,