PMT20I

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Optical sensors provide a versatile approach to measuring light or controlling an application. Photoelectric sensors are commonly used to detect presence/absence, measure distance, count objects, or monitor speed. In this article, we will take a look at the PMT20I photoelectric sensor and its applications and working principles.

What is the PMT20I?

The PMT20I is a photoelectric sensor that utilizes an infrared LED and a receiver to detect objects and detect changes in ambient light. The sensor is designed to be robust, reliable, and economical. It is housed in a compact IP67 rated plastic enclosure and features a selectable push-button NPN/PNP output.

PMT20I Application Fields

The PMT20I is a great tool for applications that require reliable and accurate detection of objects at distance. It is widely used in automation and control systems, such as automatic doors, access control, factory automation, automotive, robotics, counting objects, safety guard systems, and more.

PMT20I Working Principle

The PMT20I utilizes an infrared LED and a receiver to detect objects. When the LED emits infrared light, it will be reflected by the object and detected by the receiver. The PMT20I also features a selectable push-button NPN/PNP output, which can be used to control external devices based on the detection results. Additionally, it is equipped with a potentiometer to adjust the detection range and a timing switch to control the output delay time.

The PMT20I works by emitting a modulated infrared beam and then waiting for the receiver to detect a reflected version of that beam. Depending on the position of the emitted beam, the sensor will be triggered and provide either an NPN/PNP output. This output signal can then be used to control external devices such as relays, motors, pumps, or solenoids.

Conclusion

The PMT20I is a robust and reliable photoelectric sensor that can be used in a variety of applications. It utilizes an infrared LED and receiver to detect objects and has a selectable push-button NPN/PNP output. The PMT20I\'s adjustable potentiometer and timing switch allow for precise and reliable detection of objects. With its compact, IP67 rated enclosure, the PMT20I is ideal for applications that require a reliable and accurate detection of objects.

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