OPB832L51

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Optical sensors are one of the most versatile and dependable sensing technologies available for triggering, position detection, and failure detection applications. Photointerrupters, in particular, are a type of optical sensor that detect the presence or lack of presence of an object. OPB832L51 is one such photointerrupter that falls under the slot type transistor output category. This article, focusing specifically on the application field and working principle of the OPB832L51, will provide an overview of how this type of photointerrupter works.

The OPB832L51 photointerrupter is designed for use in a wide variety of switching or triggering applications. It has a slot type construction not requiring precise alignment of the beam for reliable switching. The OPB832L51 consists of a dual-channel photodetector which incorporates both a transmitter and a receiver. The transmitter emits visible light at wavelengths of about 880nm. The receiver, located a short distance away, directly opposite the emitter, is sensitive to the transmission beam, and is activated when the beam is broken by an object.

The application field for the OPB832L51 is broad and diverse. It is ideal for applications where precision reliable switching and condition detection are required, such as automotive and medical devices, for position sensing, window breakage monitoring, and safety gate sensing. The robustness of its design makes it suitable for harsh industrial environments, and its size allows it to be used in more confined spaces.

The inner workings of the OPB832L51 can be separated into two parts: Detection and Output. The detector is responsible for receiving the light emitted by the transmitter and generating an output signal when the beam is blocked. The output circuit is configured in a transistor form, and is powered by suitable external voltage source. When laser light is blocked, a transistor circuit will be activated and will send a corresponding current signal back to the control system, alerting it of a change in condition.

The whole process of the OPB832L51 photointerrupter is relatively straightforward and easy to configure. The beam is projected over the sensing surface or detection area, and when an object passes through, it is detected by the photodetector and an output signal is generated. This output signal can then be interpreted by the control system, allowing it to react accordingly and act on any changes in the environment.

In conclusion, the OPB832L51 photointerrupter is an ideal optical sensor for a wide range of applications that require high accuracy and reliability. It is a small size device that is easy to install and requires minimum maintenance. Its output circuit has a robust design that can withstand harsh conditions. It is also highly efficient, being able to detect objects as thin as 0.2 mm and with a resolution of up to 1mm.

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