Series – W
2Pages

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Catalog excerpts

Series – W - 1

Automatic Current and Potential Transformer Test - Set Series - W Standard version • For testing of ratio error and phase displacement of instrument transformers • Broad range of corrections • Display of the results in all accepted dimensions • Remote control and data transfer via RS232 interface • Variants o WD-ST for CT and PT o WI-ST for CT o WU-ST for PT

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Series – W - 2

Presco ag Technical Specifications Automatic Current and Potential Transformer Testing Instrument Type WD-ST00 Current Transformer test part Nominal currents of the CT to be tested (X) Nominal Current of the standard CT (N) Matching Working range Frequency Measuring range ratio error Resolution ratio error Measuring range phase angle Resolution phase angle Uncertainty of ratio measurement Uncertainty of phase measurement Inherent burden N-Side Inherent burden X-Side Resolution current measurement Uncertainty current measurement Potential Transformer test part Nominal voltage of the PT to...

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