Test demonstration of ZC 313 vacuum tester

ZC-313 Vacuum interrupter tester is the latest product improved on the basis of the original product based on the reflection of the site users. It has the characteristics of higher test precision, better stability and higher intelligent.
Vacuum circuit breaker is a commonly used method to judge whether the vacuum degree of vacuum tube is deteriorated or not. It is a power frequency withstand voltage method. This method is only able to judge the quenching chamber with serious deterioration of vacuum degree. When the vacuum degree is deteriorated to 10-2----10-1 Pa, the breakdown voltage is not reduced, but the arc extinguishing chamber is not qualified.