ATRT-01 - Transformer Turns-Ratio Tester

Vanguard Instruments Company’s Model ATRT-01 Series 2 is a third generation microprocessor-based, single-phase, automatic, transformer-turns-ratio tester.The ATRT-01 is an AC-powered, transformer turns-ratio tester. The ATRT-01 determines the transformer turns ratio by precisely measuring the voltages across the unloaded transformer windings and then displaying the voltage ratio.