... values displayed in four windows Thermal Sensitive Parameter Transistor Tester - UI9600 Specification:• Parameter measured under normal temperature:1) β(0-99)2 ... resistance, transconductance, withstand voltage, etc.UI9611: MOS Transistor Characteristics Selector.UI9600: Transistor Tester.UI9600A: Transistor's Multi-Functional Selector. Contact us ...