EAITRDA1

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The EAITRDA1 optical sensor is a slot type photointerrupter with a transistor output. It determines the presence or absence of external objects or materials by transforming the light received through a slit to a signal level. It consists of an emitter and a detector positioned facing each other and mounted in a compact resin package. The emitter is an infrared LED that transmits light into a slit in such a way that the light is directed toward the detector. The detector is a phototransistor that senses the light through the slit and when an object interrupts the light, a current pulse is generated.

The EAITRDA1 can be used as a two-dimensional position sensor, an edge detector, a timing controller, or for presence and absence detection. It is ideal for a wide range of applications such as industrial automation, communication equipment, electronic ticket machines, and medical devices. It is also suitable for short-range detection.

The working principle of the EAITRDA1 optical sensor is based on the interruption of light caused by objects passing between the emitter and the detector. When an object interrupts the light, the transistor output turns off, indicating the presence of an object. When an object is removed or there is no object present, the transistor output turns on, indicating the absence of an object. EAITRDA1 can be operated in either an end-on reflection mode, where the emitter and detector are in direct line-of-sight, or in an obliquely-supported reflection mode, where the emitter and detector are mounted away from one another for more accurate detection in wider areas.

The slot type photointerrupter, EAITRDA1, is designed with a high-speed response time and high accuracy. Its standard detection range is up to 30 mm, and can be adjusted using the on-board sensitivity adjustment, and its accuracy can be improved by reducing the gap between the emitter and the detector. Its operating temperature range is from -40°C to +85°C and it is fully sealed with a high-shock, creepage, and insulation resistance rating. Its reliable design is suitable for harsh and demanding applications.

The EAITRDA1 optical sensor is an ideal choice for applications that require reliable and accurate two-dimensional position sensing. Its small size and easy installation make it suitable for a wide range of applications. Furthermore, its low-cost and versatility make it a great choice for many sensing needs.

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