E3JU-25DM4T-3

Optical Sensors - Photoelectric, Industrial

Optical sensors are essential components in the fields of robotics, physics, industrial automation, and numerous other applications. They are used to detect and measure light, ocular, or electrical signals. One type of optical sensor that is widely used is the E3JU-25DM4T-3. This article will discuss the application fields and the working principle of this particular sensor.

Application Field

The E3JU-25DM4T-3 is a photoelectric sensor that is specifically designed for industrial automation applications, such as detecting the presence or absence of objects for assembly lines. It utilizes a self-contained emitter and receiver to detect objects. The sensor can be used in different applications, such as detection of paper documents, boxes, plastic parts, liquids, or any other object with an opaque outer surface.

The sensor is also used in robotic applications. It is suitable for measuring differences in distance or detecting objects at close range. It can be used for obstacle avoidance tasks, in face recognition applications, or for the detection of edges and obstacles. It can measure the distance of an object with accuracy up to 0.2 mm, and it is able to detect objects in a range up to 2 meters.

In addition, the E3JU-25DM4T-3 can be used for environmental monitoring applications as well. It can detect temperature and pressure changes in the atmosphere, or detect the presence of gases or hazardous substances. Furthermore, it can detect the presence of particles in the air, measure the particle size, and identify pollutants.

Working Principle

At its core, the E3JU-25DM4T-3 operates in the same way as any other optical sensor. It comprises of an emitter and a receiver, both of which are connected to separate electrical circuits. When the emitter is activated, it emits a beam of light, which is directed towards the receiver. If an object interrupts the beam, it is detected by the receiver. The time taken for the receiver to detect the object and the intensity of the light beam are used by the sensor to determine the distance and the size of the object, depending on the type of application.

The emitted light can be in the form of visible, infrared, or ultraviolet spectrum. It is important to note that each spectrum has its advantage and disadvantage. Visible light is the cheapest option and it is the easiest to detect, however, it is easily absorbed by dust and smoke. Infrared light is the most common type used, as it is not affected by dust, smoke, or other pollutants. However, it is more expensive and can be difficult to detect. Ultraviolet light is the most difficult to detect, however, it is able to penetrate obstacles and can detect objects in darkness.

Conclusion

In conclusion, the E3JU-25DM4T-3 is a powerful and reliable photoelectric sensor that can be used for various industrial and robotic applications. It operates on the same basic principle as any other optical sensor. It can detect objects at close range, measure differences in distance, and can detect or measure different environmental parameters. As such, it is a valuable tool for automation and robotic applications.