Photoelectric Coupling Switch Physics Lab Experiments Setup by ATICO EXPORT

This experiment system is designed for studying the operating principles and characteristics of photoelectric couplers. A photoelectric coupler is an electrical signal coupling device that uses optical transmission to achieve isolation between input and output circuits. The system demonstrates how an input electrical signal drives a light-emitting diode, while a photosensitive device receives the optical signal and converts it back into an electrical output. The experiment provides a clear understanding of optoelectronic isolation, signal transmission, and switching applications.

Physics Lab Experiments from Atico Exports.

Experimental Principle and Content

• Study of photoelectric coupler operating principles
• Investigation of optical signal transmission and electrical isolation
• Analysis of input and output signal coupling characteristics
• Measurement of forward voltage and current characteristics
• Study of collector dark current and bright current behavior
• Evaluation of response time characteristics
• Understanding the applications of photoelectric couplers in switching and control circuits
• Comparison of transmission-type and reflective-type photoelectric couplers

Host :

• Main Chassis Size: 520 mm × 318 mm × 145 mm

Rotating Speed Turntable :

• 0–3000 RPM

Transmission-Type Photoelectric Coupler :

• Forward Voltage Drop at 20 mA
• Collector Dark Current
• Collector Bright Current
• Response Time and Related Characteristics

Reflective-Type Photoelectric Coupler :

• Forward Voltage Drop at 20 mA
• Collector Dark Current
• Collector Bright Current
• Response Time and Related Characteristics