... in four windows Thermal Sensitive Parameter Transistor Tester - UI9600 Specification:• Parameter measured under normal temperature:1) ... .9mA)5) Withstand voltage BVCEO(50V-650V)• Parameter measured under high temperature: VBE, β, ICEO• ... 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, ...