Raytech TR Mark-III Three Phase Transformer Turns Ratio Meter

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Raytech TR Mark-III Three Phase Transformer Turns Ratio Meter
  • Features & specifications

  • 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
  • Enhanced heavy-duty protection circuitr
  • Data storage of over 10,000 measurements
  • Simple to operate color LCD touch screen with back light

Specifications
Current range Measuring range Accuracy Resolution
30 to 50A 0.00 μΩ to 1.3 Ω ± 0.1% Rdg ± 0.05 μΩ 5 Digits or 0.05 μΩ
15 to 30A 0.0 μΩ to 3.3 Ω ± 0.1% Rdg ± 0.1 μΩ 5 Digits or 0.1 μΩ
8 to 15A 0.0000 mΩ to 6.3 Ω ± 0.1% Rdg ± 0.2 μΩ 5 Digits or 0.2 μΩ
3 to 8A 0.0000 mΩ to 16.7 Ω ± 0.1% Rdg ± 0.5 μΩ 5 Digits or 0.5 μΩ
1 to 3A 0.000 mΩ to 47.2 Ω ± 0.1% Rdg ± 1 μΩ 5 Digits or 1 μΩ
0.7 to 1A 0.000 mΩ to 71.4 Ω ± 0.1% Rdg ± 2 μΩ 5 Digits or 2 μΩ
0.3 to 0.7A 0.000 mΩ to 167 Ω ± 0.1% Rdg ± 5 μΩ 5 Digits or 5 μΩ
0.1 to 0.3A 0.00 mΩ to 500 Ω ± 0.1% Rdg ± 10 μΩ 5 Digits or 10 μΩ
25 to 100 mA 0.00 mΩ to 2 kΩ ± 0.1% Rdg ± 20 μΩ 5 Digits or 20 μΩ
< 25 mA 2 kΩ to 10 kΩ ± 0.2% Rdg ± 200 mΩ 5 Digits or 200 mΩ
< 25 mA 10 kΩ to 100 kΩ ± 0.8% Rdg ± 20 Ω 4 Digits or 20 Ω