Experimental Training Equipments-> Electro Optics

[1]   Click to Enlarge EXPERIMENTS USING INCANDESCENT LAMPS Objective: 1) To demonstrate the effect of filament current on the intensity and colour of the radiated light from an incandescent lamp. 2) To demonstrate the coefficient of tungsten's positive coefficient. Built in regulated power supply: +12V/300mA. Input Supply: 230 VAC/50Hz mains operated. Dimension: 27cms x 17cms x 10cms. Weight: 500gms See Enlarge Click to Enlarge EXPERIMENTS USING LIGHT EMITTING DIODES Objectives: Determine a Forward current versus Forward voltage chart for an LED. Calculate the value of series resistance RS for any desired current level. Built in regulated power supply: + 5V/300mA Input Supply: 230 VAC/50Hz mains operated. Dimension: 27cms x 17cms x 10cms. Weight: 500gms See Enlarge Click to Enlarge LED INTENSITY AND COLOUR Objective: Demonstrate the relationship between Forward current and LED intensity. Show the difference in LED radiation patterns. Show that the colour of light emitted by any LED does not depend on lens colour. Built in regulated power supply: + 5V/500mA Input Supply: 230 VAC/50Hz mains operated. Dimension: 27cms x 17cms x 10cms. Weight: 500gms See Enlarge Click to Enlarge VISUAL PERSISTENCE Objective: Show the effect of frequency on the visual appearance of an LED. Built in regulated power supply: +5V/300mA Input Supply: 230 VAC/50Hz mains operated. Dimension: 27cms x 17cms x 10cms. Weight: 500gms See Enlarge Click to Enlarge REVERSE VOLTAGE PROTECTION OF AN LED Objectives : 1) Demonstrate the use of a diode as reverse voltage protection in an LED circuit. 2) Demonstrate the use of inverse parallel LEDs in a dual polarity circuit. See Enlarge Click to Enlarge 7 SEGMENT DISPLAY Objective: Demonstrate power conservation through strobing using 7 Segment display decoder driver, decade counter. Built in regulated power supply: - 5V/300mA. Input Supply: 230 VAC/50Hz mains operated. Dimension: 27cms x 17cms x 10cms. Weight: 500gms See Enlarge Click to Enlarge SCHMITT DETECTOR VERSUS PHOTO-TRANSISTOR Objectives: Demonstrate the advantages of a schmitt detector over a photo transistor. Built in regulated power supply: + 5V/300mA; -12V/300mA; 12V/150mA. Input Supply: 230 VAC/50Hz mains operated. Dimension: 27cms x 17cms x 10cms. Weight: 500gms See Enlarge Click to Enlarge SOURCES/SENSOR PAIRS OPERATION OF OPTO COUPLER IC Objectives: Observe the operation of an opto coupler IC Demonstrate the logic level conversion using an opto coupler. Show the isolation provided by an opto coupler. Built in regulated power supply: + 5V/300mA; -12V/300mA; 12V/150mA. Input Supply: 230 VAC/50Hz mains operated. Dimension: 27cms x 17cms x 10cms. Weight: 500gms See Enlarge Click to Enlarge OBJECT COUNTING WITH AN INFRA-RED INTERRUPTER CIRCUIT Objectives: Observe the operation of an infrared interrupt circuit. Demonstrate object counting with an infra-red interrupter circuit. Built in regulated power supply: + 5V/300mA; -12V/300mA; 12V/150mA. Input Supply: 230 VAC/50Hz mains operated. Dimension: 27cms x 17cms x 10cms. Weight: 500gms See Enlarge [1] Go to Top