... Simple operation 2.Double work mode 3.Various test coils 4.Test: magnetic parameter, Br, Hcb, Hcj, ... so on, and could meet different requirements on test function, precision, power capability, reliability, efficiency, ... practical and friendly: WINDOWS and DOS two test software platforms, reflect practical, reliable, succinct, ... the error is below 0.5~2% (change with the sample kind)The magnetizing power ...