■test voltage dc 5000v/2500v/1000v/500v/250v
■insulation resistance up to 1tω
■short circuit current up to 4ma
■dielectric absorption ratio(dar)
■polarisation index(pi)
■auto discharge function
■data hold(auto) ■auto power save: power save about 10 miunutes after the last operation ■cat iv.600v ■ip54