OPB871L55

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Optical Sensors play an important role in a wide range of applications. Photointerrupters are one of the most widely used optical sensors because of their ability to sense the presence or absence of an object or its position in real time. Slot Type Photointerrupters combine the reliable, low-cost features of other slot-type photointerrupters with Transistor Output, providing excellent stability. One example is the OPB871L55, which has become a popular choice in today\'s market.

Application Field

The OPB871L55 slot type photointerrupter with transistor output is used in a variety of industries and applications. It is well suited for applications that require precise and reliable sensing. This includes positioning detection, printing detection, and switch operation. The OPB871L55 has a simple structure and steady sensitivity, making it an ideal choice for application where periodic accurate detection and speed measurement are needed.

The OPB871L55 also provides excellent performance in applications that require a simple, low-cost, and reliable optical sensing solution. In medical devices, it is used to measure the blood pressure of a patient. It is also used in consumer electronics, automotive, and office automation equipment. In addition, it is often used in systems that require low cost, miniaturized, and versatile sensing.

Working Principle

The OPB871L55 optical sensor is constructed from two parts–the emitter and the receiver. The emitter emits infrared light which is then detected by the receiver. The receiver is a phototransistor which is triggered by the light from the emitter. When the light is blocked, the phototransistor is returned to off-state. When the light is present, the phototransistor is turned on-state.

The emitted and received light is directed by a polished slot in the end of the sensor. When an object passes through the slot, the light is blocked, resulting in an output signal being sent to the user. The OPB871L55 is designed to work even with very small objects passing through the slot. This makes it an ideal choice for applications where precise detection of small items is required, such as printing detection and incremental counting.

The OPB871L55 is a low-cost, reliable, and durable optical sensor, making it an excellent choice for a variety of applications. Its simple design and steady sensitivity make it a dependable choice for applications requiring precise and reliable sensing.

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