TTRU3 True three-phase transformer turns ratio tester Megger's TTRU3 guarantees a transformer turns ratio accuracy of ±0.05 % Explore
New TAU3 true three-phase transformer winding analyzer Transformer diagnostics in a single instrument Explore
Discontinued MWA300 and MWA330A three-phase ratio and winding resistance analyzers Combines TTR and resistance testing in one unit Explore