1.1GeneralintroductionThetesterusethemagneticcontroldischargingmethodtotestthevacuumdegreeofarcextinguishchamber,it’seasyoperation,highprecisionandhighintelligent.1.2TechniqueindexTestscope:variousmodelsofvacuumswitchingtubeTestmethod:itadoptsthenewtypeexcitingwindingtoperformtheun-demountingmeasuringofvacuumswitchingtube.Testrange:10-5~10-1PaMeasuringprecision:10-5~10-4Pa,25%10-4~10-3Pa,20%10-3~10-2Pa,20%10-2~10-1Pa,15%Size:420×320×280mm3Weight:15kg)