Pyroelectric Sensor Physics Lab Experiment Setup

Overview

This experiment system is designed for studying the operating principles and applications of pyroelectric sensors. Pyroelectric detectors are widely used due to their broad spectral response range, wide frequency response bandwidth, room-temperature operation, large uniform photosensitive area, and ease of use. The system incorporates a pyroelectric sensor-based infrared alarm setup, enabling users to understand infrared detection principles, motion sensing technology, and practical applications of pyroelectric detectors in security and automation systems.

Physics Lab Experiments from Atico Exports.

Experimental Principle and Content

• Study of pyroelectric sensor operating principles
• Investigation of infrared radiation detection techniques
• Analysis of pyroelectric detector response characteristics
• Understanding motion detection using infrared sensing
• Study of Fresnel lens focusing and detection enhancement
• Investigation of infrared alarm system operation
• Measurement and evaluation of sensor output characteristics
• Understanding practical applications of pyroelectric sensing technology

Host :

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

Fresnel Lens :

• Focal Length: 5 mm
• Detection Angle: 89°
• Detection Distance: 5 m
• Outer Diameter: 23 mm
• Inner Diameter: 20 mm

Pyroelectric Sensor :

• Thermosensitive Element Size: 2 × 1 mm
• Operating Wavelength: 7–14 μm
• Average Transmittance: >75%
• Output Signal: >2.5 V

Sensor Electrical Characteristics :

• Operating Current: 8.5–24 μA
• Source Voltage: 0.4–1.1 V

Pyroelectric Alarm Module :

• High-Sensitivity Dual-Element Rectangular Infrared Detector
• Start-Up Time: 30 s
• Detection Speed: 0.2–7 m/s
• Multi-Level Adjustable Alarm Indication