... relaevant international standards 2.high accuracy and safety Transistor Mulifunctional Selector-UI9600A Specification:• Measure parameters: 1) β(0~99)2) ... Switching time T (0.01μs~99.9μs), including Tr, Ts, Tf3) VCES (0 ... μm, Bs, Br, Hc integrated factor.UI9610: MOS Transistor Selector. Parameters of MOS test: threshold voltage, internal resistance, transconductance, ...