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The Doble M4110 Leakage Reactance Module, also referred to as the short-circuit impedance test set, is a reliable tool to help indicate transformer winding deformation when used in conjunction with a Doble M4000 M4100 Insulation Analyzer.
The M4110 can measure and calculate both single phase and three-phase equivalent leakage reactance and loss for transformers. Supports both IEEE-62 and IEEE C57.152 test standards. (M4100 only)