Measurement of Photoelectric Characteristics of Photosensitive Sensors

The Measurement of Photoelectric Characteristics of Photosensitive Sensors is designed to provide a comprehensive understanding of photoelectric sensing technologies and the operating principles of various light-sensitive devices. The system enables students to investigate how light energy is converted into electrical signals and how photosensitive sensors are used in modern measurement, automation, and control systems. The apparatus focuses on the study of four commonly used photosensitive devices: a photoresistor, silicon photocell, photodiode, and phototransistor. Through hands-on experimentation, students can analyze their electrical characteristics and evaluate their responses under varying illumination conditions. The system incorporates adjustable power supplies, calibrated measurement instruments, a controlled optical path, and integrated experimental circuits, allowing accurate investigation of sensor performance and photoelectric phenomena. It serves as an excellent educational platform for physics, electronics, instrumentation, and sensor technology laboratories. Physics Lab Experiments from Atico Exports.

Experiments :

Photoresistor Characteristics :

• Study the voltage-current characteristics and illumination response of a photoresistor.

Silicon Photocell Analysis :

• Investigate the electrical output characteristics of a silicon photocell under varying light intensities.

Photodiode Characteristics :

• Measure and analyze the response of a photodiode to different illumination levels.

Phototransistor Characteristics :

• Study the amplification and light-response characteristics of a phototransistor.

Illumination Response Analysis :

• Compare the sensitivity and performance of different photosensitive devices under controlled lighting conditions.

V-I Characteristic Measurements :

• Measure voltage-current relationships of various photosensitive sensors.

Educational Applications :

• Photoelectric Effect Studies
• Sensor Technology Education
• Semiconductor Device Characterization
• Optical Measurement Techniques
• Instrumentation and Control Systems
• Electronics and Physics Laboratory Training

Power Supply :

• DC -12 V to +12 V Adjustable, 0.3 A

Light Source :

• 3 Adjustable Intensity Ranges, Maximum Illumination >1500 lx

Measurement Voltmeter :

• 0–200 mV, 0–2 V, 0–20 V

Measurement Resolution :

• 0.1 mV, 1 mV, 10 mV

Calibration Voltmeter Range :

• 0–200 mV

Calibration Resolution :

• 0.1 mV

Optical Path Length :

• 200 mm

Main Unit :

• Quantity: 1

Photosensitive Sensor Set with Mount and Calibration Photocell :

• Quantity: 1 Set

Incandescent Bulbs :

• Quantity: 2

Connection Wires :

• Quantity: 8

Power Cord :

• Quantity: 1

Instruction Manual :

• Quantity: 1

Sensors Included :

• Photoresistor
• Silicon Photocell
• Photodiode
• Phototransistor

Advantages :

• Study Multiple Photosensitive Devices in One System
• Controlled Optical Environment
• Accurate Electrical Measurements
• Suitable for Physics, Electronics, and Sensor Laboratories
• Hands-On Learning of Photoelectric Technologies

• Comprehensive Study of Photosensitive Sensors
• Versatile Experimental Configuration
• Real-World Sensor Applications
• Non-Contact Measurement Principles
• Practical Photoelectric Effect Experiments
• Detailed Instruction Manual