1. It is suitable for testing the mechanical and electrical characteristics of various types of vacuum switches, oil switches, SF6 switches, isolating switches, and GIS combination electrical appliances at home and abroad.

2. Each test channel is equipped with a good induction discharge protection circuit, which can be reliably tested when the busbar of the 500kV substation is energized.

3. It can test the time parameters of 12-way metal main contacts and 6-way auxiliary contacts (both dry contacts and wet contacts).

4. It can test the closing resistance value and input time of 6-way contact with closing resistance.

5. It can test the Siemens graphite contact switch, and can accurately test the dynamic resistance waveform and time parameters during the fracture movement of the graphite contact switch.

6. It can accurately test the dynamic resistance waveform and time parameters of ordinary switches and GIS combined electrical appliances with double-ended grounding (optional).

7. Equipped with three-channel analog stroke sensor, three-channel digital stroke sensor and three-channel acceleration sensor test interface.

8. One test can display all the time, stroke, speed waveform and data report in the process of closing, opening, closing, opening, closing, opening and closing.

9. It can edit and save 50 groups of switch models with various speed definitions, which is convenient for testing.

10. Built-in high-power isolated adjustable-voltage DC power supply, capable of operating voltage test, long-term mechanical life test (up to 10,000 times) and used for motor energy storage.

11. The instrument has a complete function of historical data management in the machine, and it is convenient to export and import on-site data and software upgrades through the U disk interface.

12. The upper computer operation and remote upgrade can be carried out through the USB communication interface and the Ethernet interface.

13. The instrument is equipped with a large-size high-brightness true color LCD screen, a one-key shuttle and a 24-key keyboard to provide a more efficient human-computer interaction interface.

14. The PC-side test management software can conduct a more in-depth analysis of the test data, and generate envelopes and standard test reports in both Chinese and English. 

15. The instrument supports the switch of simplified Chinese or English operation interface.

1. Time test:

     Metal contacts, auxiliary contacts

      Recording range: 1ms～200s, resolution: 0.1ms～20ms (determined by recording time),

     Accuracy: ±0.l% of reading ±1 word;

     Graphite contact, common fracture double-end grounding method

     Recording range: 1s～2s, resolution: 0.1ms, accuracy: ±0.2% of reading ±1 word;

2. Resistance value of closing contact:

     Test range: 50Ω～2000Ω, resolution: 1Ω, accuracy: ±1% of reading ±1 word;

3. Stroke measurement:

     Measuring range: 0～1000mm, resolution: 0.01mm, accuracy: ±0.5% of reading ±1 word;

4. Speed test:

     Test range: 0～20.00m/s, resolution: 0.01m/s;

5. Coil current:

     Test range: 0～20A, resolution: 0.001A;

6. DC operating power supply:

     Output range: 30～250V, instantaneous current: 20A;

7. Power supply: AC 220V±10%, frequency 50Hz±10%;

8. Operating environment: temperature -20℃～50℃, humidity ≤85%RH, no condensation;

9. Dimensions: 436 mm×336 mm×188mm; weight: 10kg;