... Insulating Oil Breakdown Voltage TesterIntroduction:IIJ-II Insulating Oil Tester is produced by our company, which adopts industrial single ... anti-jamming, high precision testing.Small measurement, light weight, and convenient for outdoor operation.Technical parameterPower supply: AC220V±10%, ... ~ 60°C, humidity: max relative humidity 75% Insulation Oil and transformer oil Dielectric Strength Tester