WL12-3P2431T01

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Optical sensors are an important part of industrial automation and have been widely used for decades. This article will discuss the application field and working principle of the WL12-3P2431T01 photoelectric sensor.

The WL12-3P2431T01 photoelectric sensor is designed for use in industrial sensing and control applications. It is an optical sensing device that utilizes an LED and a phototransistor to detect the presence of an object. The WL12-3P2431T01 is optimized for use in dark fields, since the LED illuminates the object from within and the phototransistor detects the light reflected by the object. This type of optical sensing is often used in industrial production applications, such as machinery safety monitoring, automated material handling, and robotics.

The WL12-3P2431T01 has been designed to work in high ambient light conditions, and is equipped with an adjustable shield for better rejection of extraneous light. The LED output and phototransistor sensitivity are digitally adjustable, enabling the WL12-3P2431T01 to be tailored to the application requirements. The WL12-3P2431T01 is also equipped with a built-in time-delay feature, allowing the user to adjust the length of time between when an object is detected and when the output is activated.

The WL12-3P2431T01 is designed to work in the infrared spectrum, which is the invisible part of the light spectrum. Infrared light is characterized by its longer wavelengths (700–1,000 nanometers). Although this type of light is not visible to the human eye, it can be detected by special sensors, such as the phototransistor used in the WL12-3P2431T01. The phototransistor is a semiconductor device that has an active region that is sensitive to infrared light. When infrared light strikes the active region, the phototransistor creates an electric current. The magnitude of the current is proportional to the intensity of the light.

The WL12-3P2431T01 is also equipped with an adjustable sensitivity control that allows the user to set the minimum current level that will activate the sensor. This eliminates the need for a separate amplifier and allows the user to adjust the sensitivity of the sensor to suit the application. The adjustable sensitivity control also allows the user to set the maximum current level that will deactivate the sensor. This helps to reduce false triggering of the sensor, allowing it to work more reliably in applications that may have changing light conditions.

In summary, the WL12-3P2431T01 is an optical sensor that combines an adjustable LED and an adjustable phototransistor in order to detect the presence of an object in a dark field. It offers adjustable output delays, sensitivity levels, and an adjustable shield for better rejection of extraneous light. The WL12-3P2431T01 is ideal for use in industrial sensing and control applications, such as machinery safety monitoring, automated material handling, and robotics.

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