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Transformer Turns Ratio

DV-Power Turns Ratio Testers TRT03 series

DV-Power Turns Ratio Testers TRT03 series

TRT03 series devices output single-phase test voltage.
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DV-Power Turns Ratio Testers TRT30 series

DV-Power Turns Ratio Testers TRT30 series

The TRT30 series can output both true three-phase and single-phase test voltage.
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DV-Power Turns Ratio Testers TRT33 series

DV-Power Turns Ratio Testers TRT33 series

The TRT33 series have additional test voltage of 1 V AC. This voltage is necessary for testing current transformers.
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DV-Power Turns Ratio Testers TRT40 series

DV-Power Turns Ratio Testers TRT40 series

The TRT40 series have the highest test voltage of 125 V AC. Together with Extension Transformer CVT40 it can output up to 5 kV AC.
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DV-Power Turns Ratio Testers TRT43 series

DV-Power Turns Ratio Testers TRT43 series

The TRT43 series have the additional test voltage of 1 V AC, which is necessary for testing current transformers. Together with Extension Transformer CVT40 it can output up to 5 kV AC
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DV-Power Turns Ratio Testers TRT63 series

DV-Power Turns Ratio Testers TRT63 series

The most advanced series is TRT63. Besides the highest 250 V AC test voltage, which is actually ~430 V AC phase to phase, this series has better turns ratio accuracy and better turns ratio range.
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