OPB960T51

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Optical Sensors are devices that detect the presence of light or the physical characteristics of light which can vary based on its wavelength or the amount of illumination. Optical Sensors are widely used to detect changes in light energy which can be used to measure temperature or pressure, count speed or objects, or measure the flow of light. They have a variety of application fields including safety, medical, industrial, and security.

Photointerrupters are one type of optical sensor that is used to detect when an object passes between two light sources which block or unblock the light beam. Slot type photointerrupters are ideal for measuring the speed of an object, as the object and its shadow pass through the light beam, it allows the user to measure the time difference between interruption and reestablishment of the light beam. Slot type photointerrupters with Logic Output, such as the OPB960T51, are used to measure the speed of an object when fitted with a reflective target.

The OPB960T51 slot type photointerrupter with Logic Output is a single piece device designed to provide an optical trip point with non-contact sensing. It consists of a gallium arsenide infrared emitter and two silicon photodetectors that are integrated into a single package, allowing it to detect shaft rotation with a high degree of accuracy. It is often used for applications such as measuring the rotational speed of an object, or for detecting position changes in a rotary encoder.

The working principle of the OPB960T51 is based on the use of an infrared Light Emitting Diode (LED) and two photodetectors. The LED is positioned between the two photodetectors and emits an infrared beam that is detected by the photodetectors. The photodetectors convert the incoming light into electrical signals which are then used to control the switching on and off of the device. When an object or a target, such as a slot on a shaft, passes between the two photodetectors, the light beam is blocked or unblocked, activating the circuit. This allows the OPB960T51 to detect the rotation of an object and output a logic signal, depending on the rotational speed.

The OPB960T51 has a wide range of potential applications, from automation and robotics to medical and industrial processes. It is suitable for applications where space is of a premium, as its integrated design makes it ideal for mounting in tight spaces. It is also an ideal choice for applications requiring high accuracy, as its low output power rating of 100 mW makes it highly sensitive to small position and speed changes.

The OPB960T51 is a robust and reliable optical sensor, and can tolerate a wide range of operating temperatures. Its highly sensitive design can detect rotations as slow as 1 rpm and it can operate at frequencies of up to 1 MHz. This enables it to be used in a wide range of applications, including sensing the speed of electric motors, measuring the speed of conveyor belts, detecting the position of rotating axes, and monitoring the speed of driven shafts.

In conclusion, the OPB960T51 is an effective and accurate slot type photointerrupter with Logic Output, and it has many applications, from industrial and automotive to medical and electronics. It is designed to detect small changes in light beam intensity and provides an accurate output signal. The OPB960T51 is an ideal choice when space is limited and it is suitable for a wide variety of applications.

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