Learn how to test a transformer: insulation resistance, TTR, winding resistance, polarity, continuity, and dielectric checks. Confirm condition, find faults, and keep safe with a multimeter, ...

Vanguard Instruments Company’s Model ATRT-01 is a second generation microprocessor-based, single-phase, automatic, transformer-turns-ratio tester. Vanguard Instruments Company’s Model ATRT-01 is a ...

Designed for simple operation and optimum usability, Megger's new TTR25 automatic transformer turns-ratio set targets single- and three-phase transformer testing. The instrument can measure a turns ...