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Basic Function
1. LCD display with backlight;
2. Bi-directional total active energy, reverse active energy measure in the total active energy;
3. The meter also display real voltage, real current, real power, real power factor, real frequency, import active energy, export active energy;
4. Keypad for LCD display step by step
5. Reset energy function (the reset energy kWh display is dependent with the total energy display, this reset will not affect the total energy)
6. RS485 communication por...