GDYJ-501 Transformer Oil Breakdown Voltage Tester In power system,railway system and large petrochemical factories and mines,enterprises have a lot of electrical equipment,its internal insulation are mostly oil filled insulation type,dielectric strength of the insulating oil is a routine test shall be measured. GDYJ-501Transformer Insulating Oil Breakdown Voltage BDV Tester is mainly test the Breakdown Voltage of those insulating oil. Standard: IEC60156 Functions Transformer oil dielectric strength tester functions: 1 .Breakdown test of user-defined 2 .Proof test 3 .Calibration interface for customers 4 .Uploading data to PC and making word report automatically. 5 .Result print Technical index 1. Output voltage: AC 0~80KV 2 .Rate of voltage rise: 2KV/s±10% 3 .Measuring precision: 3%RDG+0.3%FS 4 .Test times setting: 1-9 5 .Mixing time setting: 0~99 second Waiting time setting: 0-9 minute 59second 6 .Maximum storage capacity: 100 groups of test data 7 .Display: 256*128 LCD 8 .Rated power supply: AC 220V±10% 50Hz/60Hz 9 .Environment temperatures: 0-50°C 10.Relative humidity �80%RH