1. Design with touch panel and mask button massive information to see and simple to use

2. built-in standard energy meter for digital closed loop feedback U I �¦ F W VAR VA PF all for reference

3. Perfect over circuit over voltage. short circuit open circuit over heat over load protection

4. Three phase rated current rated voltage can be preset by users

5. Multiple choose of voltage current phase testing point

6. Capable of measuring single phase three phase active power energy meters and reactive power energy meters

7. Large memory for data storage and searching data is very convenient

8. With R232 communication interface for PC control and software upgrade