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Winding Resistance Meter

Winding Resistance Meter

winding resistance meter, specially designed for field testing as well as factory testing of large transformers up to 500MVA. Winding resistance value of transformer and rotating machine are directly displayed on 5.7” TFT display. TRM25 is designed to work in live EHV switchyard conditions, ensuring operator’s safety and repeatability of results. Maintenance time saving is ensured by one time connection to transformer with simultaneous resistance measurement of three / six windings , measurement of resistances of all taps with automated tap change and demagnetisation facility. The meter is protected against the back-EMF offered by large inductive windings.

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