Photo Electric Relay Demonstrator is designed specifically for the study of the concept of Photo Electric Control. Omega Electronics is an ISO 9001-2000 company that manufactures Photo Electric Relay Demonstrator. Omega Electronics also offers Scientific Equipment and Lab Practical Equipment. Photo Electric Relay Demonstrator is based on a simple but Reliable circuit, to enable the student to fully understand its working. The circuit diagram is neatly drawn on the panel itself and controls and indicators are placed at appropriate places. It is used to demonstrate the operation of photo electric relay and to control an external electrical circuit with the board. The board is self-contained and requires no other apparatus. Practical experience on this board carries educative value for Science and Engineering Students.