Vanguard ATRT-03A Transformer Ratio Tester
The ATRT-03 S2 determines the transformer turns ratio using the IEEE C57.12.90 measurement method. The ATRT-03 S2 outputs an excitation test voltage to the transformer primary windings. The induced secondary voltage is sensed and the transformer turns ratio is calculated. The ATRT-03 S2 is capable of measuring turns ratios from 0.8 to 15,000. The transformer turns-ratio, excitation current, and phase angle readings are displayed on the large LCD.
Includes:
- 3 Phase test cables H , X
- 1 Phase Test Cables H , X
- 5 MTS extension leads H, X
- RS-232 to usb cable
- Manual
- Software CD














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