TRT63B is a three-phase, fully automatic test set specially designed for turns ratio, phase shift and excitation current measurements of power, distribution and instrument transformers. TRT63B determines transformer turns ratio by accurately measuring the voltages across the unloaded transformer windings and then displaying a ratio of these voltages.
TRT63B is the most accurate turns ratio tester on the market. True three-phase test voltage allows testing any type of transformer, including special transformers like phase shifting, arc furnace, rectifier transformers, etc.
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