Instrument comprises of Two DC Regulated Power Supplies 0-15VDC/150mA & 0- 3VDC/150mA, three round meters for voltage & current measurement, FET BFW10 mounted behind the panel. The FET (Field Effect Transistor) Characteristics Apparatus is a laboratory instrument designed to analyze and measure the electrical characteristics of FETs, including both JFETs (Junction FETs) and MOSFETs (Metal-Oxide-Semiconductor FETs).