HOA0902-012

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Optical Sensors - Photointerrupters - Slot Type - Logic Output

HOA0902-012 is an opto-electronic device that, upon detecting the presence of an object, produces an output signal. More specifically, it is a sensing device for reflective light, whose working principle is based on the interruption of the infrared light beam reflection.

This sensor is a slot-type photointerrupter, a device composed of a transmitter and a receiver, placed one in front of the other in a 90º angle. The transmitter is a light-emitting diode (LED) emitting infrared light toward a gap, and the receiver is a phototransistor (PT) detecting radiation coming from this gap. They are both housed in the same package. The interruption in the path of the emitted light is what generates the output signal.

HOA0902-012 has an operating voltage of 5V and a maximum current of 10mA. The active distance of the device is 4.5mm, and the full width of the gap is 0.3mm. As for the logic output of the device, it falls into two categories: open-collector output and NPN output. In the open-collector output type, the output is open when the light is blocked in the gap and closed when the light is passing through the gap. The output voltage is the same as the voltage of the power supply. In the NPN output type, the output voltage is low when the light is blocked in the gap, otherwise it is high.

HOA0902-012 is employed in a wide variety of applications that require the detection and recognition of an object. One such application includes positioning and measurement systems. The output produced by the sensor can be used to accurately measure the distance, position, and size of an object. Additionally, it can be used to detect the movement of an object and thus aid in objects\' tracking processes. Other applications include usage in countable control, presence detection, and protective mechanisms.

HOA0902-012 is an example of a reliable and cost-effective solution for the applications mentioned above. It features a compact design and can be easily incorporated into existing equipment. Moreover, it is capable of both short- and long-distance sensing, making it an attractive option for a variety of applications. Its high sensitivity to reflected light allows it to detect very small objects with minimal interference from objects of similar colors.

In conclusion, HOA0902-012 is an ideal sensor for a wide variety of optical sensing applications. It is a reliable and cost-effective solution that offers both short- and long-distance sensing capabilities. Its compact design and high sensitivity make it an attractive option for various applications, such as positioning and measurement, countable control, presence detection, and protective mechanisms.

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