1. Working environment:

a) Working power supply: AC220V±15%

b) Environment temperature:-20℃—45℃

c) Relative humidity: 0—90%

2. Controllable DC source parameters:

a) DC source output range: 0-260V

b) Voltage output regulation fineness: 0.2%

c) Maximum output current: 1.2A

3. AC power source parameters:

a) Output voltage level: AC220V, AC50V

4. DC voltage measurement

a) DC voltage measuring resolution: 0.1V

b) Positive grounding voltage accuracy: 0.1%

c) Negative grounding voltage accuracy: 0.1%

d) System voltage measuring accuracy: 0.1%

5. Positive Negative insulation resistance parameters:

a) Resistance regulation range: : 0-256 kΩ

b) Resistance regulation space: 1 kΩ

6. Branch positive negative grounding distributed capacitance parameters:

a) regulation range: 0-16uF

b) regulation space: 1uF

7. System positive negative grounding distributed capacitance parameters

a) Regulation range: 0-125uF

b) Regulation space: 1uF

8. Test Setting parameters

a) Selectable testing point group number: 1-5 groups

b) Testing interval setting range: 5-999S

c) Testing time setting range: 5-999S

9. Display and touch screen parameters:

a) Display screen: 5.6”TFT

b) Screen resolution 65536 color 640X480

c) Touch screen resolution: 4096 dots