PN Junction Diode App.) with built in dual power supply, workable on 230 volts AC, fitted wtih semi conductor diode and meter connection are brought out on panel with separate terminals, Four MO 65 moving coil meters 90 V, 100uA, 3V and 15 mA are provided. Output Bias : 0-1 volts DC continously variable (for forward bios) Input Bias : 0-30 volts DC continously variable (revese bias)
