1.3-phase motor/inductance, transformer winding impulse measurement 2.Programmable impulse ... criterion of settings (Area, Differential Area, Corona Discharge, Differential Phase etc. ), then judges if the coil winding is good or ... (area, area difference, phase difference, corona)TH2882AS-5 is mainly used to measure three-phase 3-wire or three-phase 4-wire motor with three windings. Measured waveform ...