... . 2.Result printing system. 3.IEC156. Transformer oil tester unit,oil testing device,oil detection set: 1.LCD displayer oil ... system. 3.IEC156. 60kv/80kv/100kv Transformer Oil Tester Unit:In the electric power industry, insulating oil is wildly applied ... tester is designed according to international standard of IEC156. Adopt industrial single chip as controller, apply large integrate circuit, new type ...