True 3 Phase Transformer Turns Ratiometer

  • Guaranteed accuracy ±0.05% from -20°C to +50°C
  • 3Ø test voltage – up to 250V
  • 3Ø step up ratio (patent pending)
  • Phase shifting & zig-zag transformers tested easily and accurately
  • Smallest/lightest 3Ø test set on the market
  • Fast 3Ø tests – less than 10 second