... , Iout, Hz, Hc, Br, Bm, Hm, Br /Bm, μm, magnetic core loss, B-H curve, U curve and I curve.UI9702 ... : Magnetic Core Selector. Measure relative value of μm, Bs, Br, Hc integrated ... how to test a transistor.FD2810B: LCR Digital Bridge. Transistor Thermal Sensitive Parameter Selector