φ11mm LDR CDS light sensor Photoresistor photosensitive resistance MJ11516 MJ11517 MJ11528 MJ11537 MJ11539
Product Overview
(1) Usage: According to the principle of photoelectric control, it automatically controls the working status of the product with changes in external light.
(2) Performance: A. Epoxy resin; B. Fast reaction speed;
C. High sensitivity; D. Small volume;
E. Good reliability; F. Good spectral characteristics.
(3) Main material composition: CdS CdSe, epoxy resin, ceramic substrate, tinned copper wire.
Application scope
Camera, automatic metering, photoelectric control, indoor light control,
alarm industrial control, light control switch, light control lamp, electronic toy.
Structural dimension diagram (unit: mm)
Specifications and models
Illumination characteristic diagram
Main characteristic curvature
Automatic Street Light Control System: The LDR sensor can be used in an automatic street light control system to detect the ambient light levels and automatically switch the street lights on or off accordingly. When the sensor detects low light levels at dusk, it triggers the street lights to turn on, providing illumination for pedestrians and vehicles. As the natural light increases at dawn, the sensor senses this change and switches off the street lights, saving energy and reducing electricity costs. This application scenario ensures efficient and reliable lighting control for public spaces.
Greenhouse Environment Monitoring: In a greenhouse environment, the LDR sensor can be utilized to monitor the light intensity levels for optimal plant growth. By placing the sensor strategically within the greenhouse, it can measure the amount of sunlight reaching the plants and provide data for adjusting artificial lighting systems. This application scenario helps greenhouse operators maintain the ideal light conditions for different plant species, promoting healthy growth and maximizing crop yields.
Security Lighting System: The LDR sensor can also be integrated into a security lighting system to enhance home or commercial property security. By detecting changes in ambient light levels, the sensor can trigger the activation of security lights when it senses motion or low light conditions. This application scenario provides an added layer of protection by illuminating dark areas and deterring potential intruders. The LDR sensor ensures a proactive approach to security monitoring, keeping properties safe and secure.
Energy-Efficient Building Automation: For energy-efficient building automation, the LDR sensor can be incorporated into lighting control systems to optimize energy consumption. By adjusting the artificial lighting levels based on natural light availability, the sensor helps reduce electricity usage during daylight hours. This application scenario promotes sustainability and cost savings by ensuring that lights are only used when necessary. The LDR sensor plays a crucial role in creating a smart and eco-friendly environment within buildings.
Weather Monitoring Stations: Weather monitoring stations can benefit from the use of LDR sensors to measure sunlight intensity as part of their data collection process. By installing the sensor outdoors, it can provide real-time information on solar radiation levels, which is essential for meteorological analysis and forecasting. This application scenario enables weather professionals to gather accurate and reliable sunlight data for a variety of research and forecasting purposes. The LDR sensor contributes to the overall functionality and effectiveness of weather monitoring stations.
