OPB981L11Z

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The OPB981L11Z is a slot type optical sensor with a logic output. It is designed to detect the presence of objects or holes in the very small gap between an emitting and receiving optical system and is used widely in a variety of applications.

In essence, the sensor is composed of a light-emitting diode (LED) and two phototransistors on opposite sides of a small gap. The gap between the LED and the phototransistors is commonly referred to as the ‘slot’, and is usually very small. This slot type optical sensor utilizes a reflective interruption method where an object, passing through the slot, reflects light towards the phototransistor, which interrupt the light beam. The interruption of the light beam then generates a high-frequency oscillation which is detected by the phototransistor at the other end of the slot.

Utilizing the reflective interruption method, the OPB981L11Z is able to measure the position and size of objects passing quickly through its slot with great accuracy. The device can also detect opaque objects, as the light emitted from the LED is reflected by the object and detected. In addition, the OPB981L11Z can detect objects with differing levels of transparency, making it ideal for detecting both transparent and semi-transparent objects.

TheOPB981L11Z has a wide range of application fields. It can be used in a range of machinery such as paper mill machinery, process automation, robotics, machine tools, vending machines, and automotive. It is also used in a variety of sensing applications, including pressure sensing, position sensing, flow sensing, and temperature sensing. In addition, the OPB981L11Z is widely used in a range of home security applications such as motion detectors and door sensors, as well as for industrial security.

In terms of operating principles, the OPB981L11Z uses a wide range of variable optical-related technologies that include reflective and transmissive systems. When using reflective systems, the LED and phototransistors are placed opposite one another and the light produced by the LED is reflected off of a target and directed back to the phototransistors. The transmissive system, on the other hand, involves the LED and phototransistors being placed adjacent to one another and the light is transmitted directly from the LED to the phototransistors allowing for more precise sensing.

Overall, the OPB981L11Z is an efficient slot type optical sensor with a logic output. Its wide range of applications and operating principles make it suitable for a variety of sensing and security applications. This makes it an ideal choice for industries that require reliable and accurate sensing.

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