RTB-II Transformer Turns Ratio Test Set measure the turns ratio and exciting current of windings in power, potential and current transformers. Deviations in turns ratio readings indicate problems in one or both windings or the magnetic core circuit. The TTR test sets aid in identifying: Shorted coils Open circuits Incorrect connections Internal faults or tap-changer Defects in step regulators as well as in Transformers.
Features Automatic measurement wires group Automatically group transformation Automatic switching phase sequence Automatic switching range Automatic calibration The relative error can automatically be calculated after typing in the standard variable ratio Automatic cut off the test voltage after the measurement Set and save up the data. The stored data can also be viewed Measuring load transformer. The turn ratio can only be typed in once