PMR10RI

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Optical Sensors - Reflective - Analog Output

PMR10RI is an analog output reflective optical sensor which can be used in various fields. It is capable of detecting objects from minimal distances, and its applications are wide ranging. This article will discuss the working principle, technical specifications, and field of application of the PMR10RI.

Working Principle

The PMR10RI utilizes an optical transceiver and reflective photo-ic transistor for sensing objects. The optical transceiver will send an infrared light beam to the reflective surface of the object, and reflect back to the optical transceiver. The photo-ic transistor in the device will be triggered when it senses the reflected infrared beam and generate a signal output as an analog output power level. This analog output signal is proportional to the distance and intensity of the detected object.

The PMR10RI can detect objects up to a maximum distance of 300 mm and is immune to sunlight interference. Additionally, the device is resistant to ESD as it is designed with internal protection circuits.

Technical Specifications

The PMR10RI features a supply voltage of 12V, and an output current/voltage type of "analog output". With its NPN output type, the device has a DC output voltage of 0 to 5 VDC and a maximum load current of 10 mA. Its ambient operating temperature is between 0⁰C and 50⁰C (32⁰F and 122⁰F) and it is humidity-resistant. The PMR10RI is capable of handling a sensing distance range from 8 mm (0.3 in) to 300 mm (1 ft.).

Field of application

PMR10RI can be used in several industrial, automotive and home applications, such as liquid level sensing, object detection, presence detection, distance sensing, and positioning. The device can be installed to detect the presence of a person or object, measure distance and determine if something is above or below the usual level. It can also be used in the safety systems of automotive applications such as braking system or for predicting automobile speed. Additionally, the device is suited for home applications like home security systems.

In conclusion, PMR10RI is an accurate reflective optical sensor which can be used in various applications such as proximity detection, distance measurement, and safety systems. It is equipped with an analog output that can produce a signal proportional to the distance and intensity of the detected object. The device is also resistant to ESD, sunlight interference, and can operate in temperatures between 0°C and 50°C (32°F and 122°F), making it an excellent choice for various industrial, automotive, and home applications.

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