FD-L31A

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Optical sensors have many applications in everyday life, from detecting motion to sensing temperature, even measuring distances. The FD-L31A is an optical sensor in the photoelectric, industrial category, noted for its high accuracy and ability to pick up on tiny variations. This article covers the application fields and working principles of the FD-L31A.

FD-L31A Application Fields

The FD-L31A is mainly used for detecting objects that have different reflective properties. This includes objects that are transparent or translucent, materials that produce variable colors, and reflective surfaces. The FD-L31A is perfect for applications that require high accuracy and precision, as they can detect minute changes in the environment. This makes them ideal for materials handling, packaging, and measurement. Some other application fields where the FD-L31A can be used include robotic guidance, printing, automotive, and factory automation.

Working Principle of FD-L31A

The FD-L31A is based on a principle called light-to-voltage converging and detecting. This means that the FD-L31A uses a LED light source to control the current of a photo transistor. The transistor acts as the detector. When illuminated by the LED light, the transistor emits a current that correlates with the intensity of the light source. The output voltage of the photo transistor increases as the light intensity increases. The FD-L31A also utilizes two filter lenses to adjust the reception of the light and the output current of the photo transistor. The light wavelengths that is passed through the FD-L31A can be changed by changing the filter lenses accordingly.

The FD-L31A consists of two components: an LED and a Photo transistor. The LED acts as the light source, while the photo transistor acts as the detector. When objects pass through the FD-L31A, the LED emits light which is then picked up by the photo transistor. The intensity of the light is detected and converted into a current. The voltage output of the photo transistor increases as the light intensity increases.

The FD-L31A also uses two filters to modify the light spectrum and adjust the current output of the photo transistor. The first filter is a high-pass filter, which eliminates low-frequency light waves. This is used to prevent ambient light from affecting the readings. The second filter is a low-pass filter, which removes high-frequency radiation like infrared light. This helps improve the accuracy and sensitivity of the readings.

Conclusion

The FD-L31A is an optical sensor in the photoelectric, industrial category that is used for sensing objects of different reflective properties. It has a variety of applications fields, such as materials handling, printing, automotive, and factory automation. It utilizes light-to-voltage conversion and detection techniques and consists of a LED light source and a photo transistor acting as the detector. It also uses two filters to control the light spectrum and output current. The FD-L31A is noted for its high accuracy and small size, making it an ideal choice for industrial sensors.

The specific data is subject to PDF, and the above content is for reference