
Vacuum Switch Vacuum Degree Tester for Hv Circuit Breaker Instrument. Direct Vacuum Degree Display: Directly displays vacuum degree value by deducting environmental leakage current. Non-Destructive Field Testing: No need to disassemble the vacuum switch during on-site testing. Data Management & Connectivity: Can save, print, and check test data; supports RS232 PC connection for curve download. Reliable Safety Guarantee: Provides reliable basis for planned replacement and ensures safe grid operation. High Accuracy Grade: Features 5% accuracy grade for exact and reliable test results. Full Customization Support: Offers full customization, minor customization, and flexible customization options. OEM/ODM Services: Manufacturer provides both OEM and ODM services for tailored solutions. 100% Quality Inspection: All finished products undergo 100% functional inspection before shipment.