Megger MWA330A transforming winding analyser

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The Megger MWA330A transformer winding analyser is a three-phase transformer test system that combines TTR and resistance testing into one. Available to rent from TechRentals, it can be used to effectively test power transformers, distribution transformers, CTs, VTs, motors or generators. It is designed to deliver portability, reduced set-up time, increased safety and better productivity.

All ratio and winding resistance tests, such as three-phase turns ratio, three-phase winding resistance, auto vector detection and heat-run tests, can be carried out with a single three-phase lead-set connection. The instrument performs DC resistance measurements on all high and low side windings without the need for reconnection or a separate switch box.

The MWA330A features Kelvin clamps with adjustable jaws that can open to 100 mm and banana plug inputs for connection to terminal blocks. This eliminates the need for special lead sets and minimises operator error. The unit also features a bright 12″ touch-screen display, PDF report generation, PC interface via USB and an in-built printer.

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