Digital Automatic Dielectric Dissipation Tester WUHAN PRIMARY TESTER TECH&SCIENCE CO., LTD. Base Info Model NO.:HYGYTrademark:HuayingTransport Package:Wooden CasesOrigin:China (Mainland)HS Code:903084900 Description Pre:Insulating Oil Tangent Delta Tester Next:V-1000 Voc Emission Chamber, Laboratory Test System