TR-Mark III 250V
3-Phase Ratio Meter

TR-Mark III 250V: Fully Automatic, Three Phase Transformer Turns Ratio Meter

The TR-Mark III 250V is a three phase transformer turns ratio meter with a test voltage measurement range of up to 250V.

The TR-Mark III 250V transformer turns ratio meter offers new features and increased accuracy to make it a perfect system. A color LCD with a backlight and a touch screen increases handling and user comfort. Two USB interfaces make it easy to store measurements on external storage devices, to transfer easily to a personal computer, or download nameplate data of the transformer to test.

  • Extended test voltage measurement range of up to 250V
  • Automatic measurements of voltage, turns ratio, current, and phase displacement
  • Easy one-time hook up to the transformer
  • Automatic test voltage range
  • Displays deviation from a nominal ratio
  • Tap changer interface with graphic results
  • Load on test object <0.05 VA
  • Measures power transformers PTs and CTs
  • Automatic vector group detection
  • Displays % error vs. name plate value
  • Enhanced heavy-duty protection circuitry
  • Emergency stop push button immediately turns off output
  • Internal printer
  • Data storage of over 10,000 measurements
  • Simple-to-operate color LCD touch screen with backlight
  • Two USB interfaces
  • 5-Year standard warranty