... A,Equipment Name, Model, Brand and Manufacturer1,Name Three-phase full-wave ac/dc fluorescent magnetic powder flaw detection ... two separated transformers. Solid-state relay controlled and Phase shifting trigger circuit stepless.5,Electric control system6,Spraying, agitation, ... AC, 0 --- 4000A, RMS three-phase full-wave ac,Timely setDC, 0 --- 4000A, RMS three-phase full-wave dc,Timely set4,Longitudinal ...