... 1. Simple operation 2.Double work mode 3.Various test coils 4.Test: magnetic parameter, Br, Hcb, Hcj, (BH)max ... and so on, and could meet different requirements on test function, precision, power capability, reliability, efficiency, price, ... parameters directly, automatic drawing of recording instrument under non-computer mode.Automatization: Including automatic transmission, drift adjusting, automatic ...