OPB891T55Z

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Optical sensors have a wide array of applications in the present day industrial world. They are used for a variety of purposes such as sensing light levels, monitoring the temperature of machinery, detecting motion, and more. One such optical sensor is the OPB891T55Z photointerrupter, a slot type with transistor output. This article will discuss the application field and working principle of the OPB891T55Z photointerrupter.

The OPB891T55Z photointerrupter is designed for use as a sensor in industrial electronic control systems. It is used to detect the change position of limit switches, proximities, light curtains, and other sensors. It is also ideal for detecting the absence or presence of items from a sensing system. The OPB891T55Z includes an integrated light source (an infrared LED and a photodetector). It is composed of a plastic housing with a clear sensing slot and a black substrate.

The working principle of the OPB891T55Z is based on the principles of optoelectronics. When the slot is exposed to target objects, the light source illuminates them and the photodetector receives the reflection. The photodetector then sends a signal to the transistor output. Based on the signal, the transistor output can be used to detect the position of limit switches, proximities, light curtains, and other sensors. If the light source is blocked, the transistor output will not be able to detect the position of the target object.

The OPB891T55Z photointerrupter has a wide range of applications in industrial controls and systems. It can be used to detect the position or absence of limit switches, proximities, light curtains, and other sensors. It is also suitable for identifying objects from a distance or in low light. The built-in light source allows the OPB891T55Z to be used in both low light and no light environments, providing flexibility and reliable results. The slot type design ensures that the photointerrupter can be used in many places, even when the target objects are in hard-to-reach areas.

In conclusion, the OPB891T55Z photointerrupter is a slot type optical sensor with transistor output. It is composed of a clear sensing slot, an integrated light source, and a black substrate. The sensor works based on the principles of optoelectronics, where the light source illuminates the target objects and the photodetector sends a signal to the transistor output. This sensor is suitable for detecting the positions or absences of limit switches, proximities, light curtains, and other sensors. It can also be used to identify items from a distance or in low light conditions.

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