fully automatic transformer oil tester series IIJ Automatic Oil Tester (oil purification, oil purifier, oil filtration, oil fil Automatic Oil Tester (oil purification, ... the open air very conveniently. Technology and parameter data1. Power supply: AC220V 10%, 50 HZ2. Output voltage: 60KV, 80KV, 100KV3. ... if the height is over 1500m)11. Weight: 40kgs fully automatic transformer oil tester series IIJ