HCL2796 transformer turn ratio meter That is special designed for power transformer ( single phase & three phase) and instrument transformer testing, suitable for testing in sunstation, transformer manufacturer, meter manufacturer. Its helps to detedt faulty transformer winding and tap changer position. Its fullyautomatic device, can recognizes winding connection and vector group number of transformer winding. The user only need connect measuring cable and press start button and come out the test Single and three phase transformer testing. Instrument transformer testing. Can test phase winding ratio, error, tap position and tap value automaticly. Dimension and weight Dimension ( LxWxH) ( mm) : 250x190x130 Weight: 5kg Warranty: one yearMail: helen@ himalayal.com.cn http: / / www.himalayal.com.cn