LDR CHARACTERISTICS APPARATUS | Light Dependent Resistor Analysis System with Regulated Power Supply

Description

The LDR Characteristics Apparatus is a precision educational instrument designed to study the voltage–current (V–I) characteristics of a Light Dependent Resistor (LDR) under varying light intensities. This apparatus helps demonstrate the relationship between light intensity and resistance, making it an essential tool for understanding optoelectronic sensors and light-sensitive devices.
Ideal for electronics laboratories, physics labs, engineering colleges, polytechnic institutes, and technical training centers.
✅ Key Features
💡 Comprehensive LDR Characteristics Study
Demonstrates variation of resistance with light intensity
Enables plotting of V–I characteristics under different illumination levels
Helps understand photoconductive behavior of LDRs
⚡ Built-In Regulated Power Supply
Smooth, continuously variable DC regulated power supply
Ensures stable and accurate voltage control
Allows precise measurement of current changes due to light variation
🔦 Controlled Light Source
Adjustable light source for changing illumination intensity
Ensures repeatable and consistent experimental conditions
Allows comparison of dark and illuminated resistance
📊 Integrated Measurement System
High-accuracy voltmeter and ammeter
Enables easy observation and plotting of characteristic curves
Clear panel layout for quick readings
🧱 Educational & User-Friendly Design
Printed circuit layout on front panel
Clearly marked terminals and controls
Compact, rugged construction for student laboratory use
🛡 Safety & Reliability
Low-voltage operation for user safety
Short-circuit and overload protection
Durable components for long service life
📘 Typical Applications
Study of LDR V–I characteristics
Optoelectronic device experiments
Light sensing and automation concepts
Sensor behavior analysis in electronics labs
Physics and electronics education
💡 Why Choose This Apparatus?
Accurate demonstration of light-dependent resistance behavior
Stable regulated power supply for precise measurements
Easy-to-use design for academic experiments
Ideal for teaching sensor fundamentals and optoelectronics
Reliable performance in educational laboratory environments