HOA0971-L55

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The HOA0971-L55 is a photointerrupter, slot type, logic output sensor used to detect objects passing through an beam of light. It is ideal for applications that require precise detection with high speed response and reliability. This device consists of an emitting diode and detector packaged into a single unit.

Features

• Low power consumption
• High reliability
• High speed response
• Surface mountable
• Compact design
• sensitivity selection by switches

Application Field

The HOA0971-L55 photointerrupter can be used in a wide range of applications such as presence detection, material transport management, product counting and sorting, and machine or process monitoring. It is also suitable for home automation and industrial automation systems with the need for precise detection. Some potential applications include pick and place machines, 3D printers, door systems, wearable devices, and drones.

Working principle

The HOA0971-L55 uses an infrared LED and a phototransistor detector to detect the presence of objects. When an object passes through the beam of light, the phototransistor detects the light and switches on. This optical detection method eliminates mechanical parts and contact, thereby providing more flexibility and reliability in its applications. The sensitivity can be adjusted by using the dip switches placed on the sides of the device. By changing the on and off positions of the switches, it is possible to control the detection range and direction for improved performance.

Device Construction

The HOA0971-L55 photointerrupter consists of an infrared LED and an integrated phototransistor detector which are located in the same unit. The emitting diode sends out light, which is then received by the detector. The detector then switches on and off according to the level of detected light. The device is designed with a flat surface for better mounting capabilities and can easily be mounted onto a variety of surface types. The device measures just 8x8x4.5mm, making it an ideal solution for space-constrained applications.

Conclusion

The HOA0971-L55 is an ideal sensing device for applications requiring precise detection with high speed response and reliability. It can detect the presence of objects passing through an infrared beam of light while also providing the user with the flexibility to adjust detection ranges and directions. Its compact design and low power consumption make it suitable for a wide range of applications including but not limited to industrial automation, home automation, and wearable devices.

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