Helium Leak Detector , ZQJ-3000 , Min rate 5*1E-13, Display 1E-13 to 1E-1 With nearly 50 years of vacuum leak detection technology experience, KYKY is the largest R&D and production base of HLD and has the ... Read More
Helium Leak Detector , ZQJ-3000G , oil free , Min Rate 5E-13 With nearly 50 years of vacuum leak detection technology experience, KYKY is the largest R&D and production base of HLD and has the independent ... Read More