• high brightness LCD display interface, color display

• high precision measurement, can reach 0.2

• provide single-phase and three-phase electrical parameters measurement, include current, voltage, active power, reactive power, active power, reactive power, power factor measurement, etc

• power consumption statistics, bidirectional power consumption data

• power pulse output

• power quality analysis and monitoring total power harmonic distortion rate, 2 ~ 31 harmonic distortion rate, current three-phase voltage imbalance, K coefficient, telephone harmonic factor

> crest factor

• scalable I/O function module, digital quantity input 4 road, two-way relay output

• extensible 4 ~ 20 ma analog output

• RS485 communication interface

• the limit alarm