PMT20G

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Optical sensors are widely used in a variety of industrial and commercial applications, including industry automation, environmental monitoring, safety and security, chemical analysis, and more. One of the most popular and versatile optical sensors is the PMT20G photoelectric sensor. This device is a multi-mode sensor that is capable of providing reliable, accurate readings over a wide range of measurable parameters such as distance, levels, and velocities. In this article, we will discuss the PMT20G application field and working principle.

The PMT20G is an ultra-low-cost smart sensor with four operation modes: retroreflective, thru-beam, single-polarity interrupt, and combining. It is designed to be easily installed and operated and to provide users with stable, precise readings regardless of the environment. It is ideal for applications in industrial automation, robotics, machine vision, and process control, as well as in safety and security applications.

The PMT20G has a high sensitivity in retroreflective mode, offering up to 100 kR range and can detect objects up to 10 meters away. Furthermore, each unit is capable of switching between its four operation modes automatically, offering the user flexibility in terms of application. In addition, the PMT20G features over-temperature protection, short circuit protection, and over-voltage protection, ensuring the device\'s components remain safe in all circumstances.

In terms of its working principle, the PMT20G utilizes time-of-flight (TOF) synchronization and direct-view illumination technologies to measure the time of flight between the sending and receiving devices. When the light beam transmitted by the sender is retroreflected back by the target object, it is detected by the receiver. The time difference between the sending and receiving signals is then used to calculate the target object\'s distance.

The PMT20G is also capable of measuring the velocity of an object. It does this by sending out pulse signals and analyzing the difference between each signal\'s time of arrival into the receiver. This is used to get accurate velocity readings. The device also features an object-width detection mode, which is used to measure the height or width of an object passing through the measuring beam.

In addition to these features, the PMT20G also includes advanced optics to ensure accuracy and stability over long distances. The device also comes with a bright LED display that makes it easier to read the measurement. The LCD also doubles as a beacon to improve visibility in dark or dimly lit areas.

The PMT20G is a versatile and reliable photoelectric sensor that is suitable for a variety of industrial applications. Its wide sensing range, accuracy, stability, and affordability make it a popular choice for automation, process control, and safety and security systems. With its four operation modes, the device can measure distance, height, width, and velocity with precision and accuracy, making it an essential tool for any industrial setting.

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