This unit is to Study of Photo Diode characteristics (continuously variable) @ 50 mA on the panel.
Instrument comprises of DC Regulated Power Supply 0- 3 VDC/150mA, two round meters for voltage & current measurement, LDR, Photo Transistor, Photo Diode & LED mounted in a metal box, connections of Supplies, meters & components are brought out at 4mm Sockets.
Lamp Holder with 100 W Bulb & 50cm wooden plank are supplied with this apparatus.