OPB832W55

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Optical sensors are widely used in automation, robotics, vehicle safety, medical instruments, communication systems, and more. Among the different kinds of optical sensors, photointerrupters are often widely used due to their simple functionality and high accuracy. The OPB832W55 is a slot type photointerrupter with transistor output, which is often used for non-contact detection of metal and plastic objects.

Application Field
The OPB832W55 is mainly used in industries such as automotive, healthcare, industrial automation, and consumer electronics. It is typically used to detect the presence or absence of metal or plastic objects in industrial applications.

For instance, in automotive industry, the OPB832W55 can be used for object detection as well as brake light detection. It is also used for detecting paper movement in printers or copiers. In consumer electronics, it can be used to detect objects like coins or other metallic items. In medical Application, it is used for detecting medical equipment such as syringes or infusion pumps.

Working Principle
The OPB832W55 consists of an infrared LED and a phototransistor. The operation of the sensor is based on the interruption of its infrared beam when an object passes through it. When the beam is interrupted, the phototransistor is activated and produces a voltage output to a circuit.

The OPB832W55 is designed to operate in either lit (logic high) or unlit (logic low) states. In the lit state, the output of the phototransistor is logic high, which is a voltage above 1.4-1.8 V. In the unlit state, the output of the phototransistor is logic low, which is a voltage below 1.4-1.8 V.

The OPB832W55 has an adjustable LED power output, which can be set from 10-20mA. The adjustable feature allows users to set a desired level of sensitivity for the sensor. The phototransistor is designed to have high sensitivity, noise immunity, and fast response time.

The OPB832W55 has a wide range of working temperatures from -25℃ to +85℃, which makes it suitable for applications in extreme environmental conditions. It is highly reliable and has a long life, with an expected life of up to 10 million cycles.

In summary, the OPB832W55 is a slot type photointerrupter with transistor output, which makes it suitable for non-contact detection of metal and plastic objects. It is widely used in the automotive, healthcare, industrial automation, and consumer electronics industries. Its adjustable LED power output and wide range of working temperatures makes it suitable for applications in various challenging environmental conditions.

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