Transformer oil tester unit,oil testing device,oil detection set: 1.LCD displayer. 2.Result printing system. ... 3.IEC156. Transformer oil tester unit,oil testing device,oil detection set: 1.LCD displayer oil tester. 2.oil ... designed specially)Dimension480mm*460mm*460mm (oil filtration,oil purification,oil treatment,oil purifier,oil recycling,oil processing,oil filtering,energy saving ...