2.Equipment Description:
HYGK-306A Circuit Breaker Tester is designed to meet the need of onsite test the dynamic characteristics of High-Voltage Circuit Breakers . It takes the ARM7 unit for core to sample, process and output; the main characteristic is that it’s operated in English.It can test the Circuit Breakers as follows: indoors or outdoors Circuit Breakers with less oil or more oil, vacuum Circuit Breakers, SF6 Circuit Breakers and so on.

It has many advantages such as :

• intelligence

• multi-function

• accurate data

• strong anti-jamming

• easy operation

• small size

• light weight

• beautiful appearance, etc.

3.Main Functions:
1. 12 contacts’ closing time and opening time；
2. Reclosing time；
3. Opening or closing’s asynchronism；
4. springing time or springing times；
5. clearance between open contacts/gaps, over-travel, over-shoot and springback；
6. speed at instant of contacts touching (separating)；
7. Opening (Closing) max speed；
8. Opening (Closing) average speed；
9. Display and Print V-S curve
10. Operating current curve；
11. Closing resistance measurement
12. Large color screen in touch operating

4.Technical Parameters: