... steel materials, permalloy, amorphous and nm crystal. ·Testing sample shapes: ribbon and chip open samples, annular, E and U closing samples.·Open ... Non-inductive resistance connect to the magnetizing coil loop, and measure the pressure drop of non-inductive resistance to ... characteristic parameters such as μa, δ, Ps, Br and Hc, etc. ·Automatic and continuous measurement up to 255 testing points, the ...