[Frequencies, kHz] F1 = 25 F2 = 50 F3 = 100 F4 = 200 [Flux density, mT] B1 = 50 B2 = 100 B3 = 200 [F_25] B_50 = 10,9 B_100= 44,6 B_200= 200 [F_50] B_50 = 25,3 B_100= 111 B_200= 475 [F_100] B_50 = 62,8 B_100= 275 B_200= 1152 [F_200] B_50 = 156 B_100= 668 B_200= 2860 mu = 2000 Br = 0,22 Bmax = 0,3 Bmmax = 0,2