1. display voltage, current, power, power factor/frequency value simultaneously.

2. all the value are effective.
3. voltmeter range: AC 75V/150V/300V/600V
                                  DC 35V/75V/150V/300V   
4. ammeter range: AC 0.5A/2A/8A/20A
                                  DC 0.3A/1.2A/5A/20A

5. power factor: －1.000～1.000
6. RS-232 interface port

7. auto zero correction.

8. frequency; 45-130HZ   bandwidth: 5KHZ

9. accuracy: class 0.5