PDU-C120

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The PDU-C120 is an optical sensor that detects the presence of an object, and triggers an appropriate output action accordingly. It is based on the principle of photodiodes, and is widely used in applications such as automatic door or window opening or closing, sensing the presence or absence of a person, or controlling automated lighting systems.

A photodiode is an optoelectronic device that combines the characteristics of a photovoltaic cell, a phototransistor, and a light-sensitive diode. It uses photons of light to generate electric current. When illuminated, the electrons of the photodiode are excited, and a current is created to flow in a certain direction. By utilizing the properties of photodiodes, the PDU-C120 is able to detect an object or presence of a person by the levels of light it senses.

The working principle behind the PDU-C120 is relatively simple. It has a wide-angle, sensitized area that is constantly monitored, and a sensing element or sensing circuit. When an object enters the sensing area, the amount of light that is sensed by the PDU-C120 reduces. This triggers a signal from the sensing element to the output unit, which in turn activates the appropriate output action. For example, if the PDU-C120 is connected to an automated door or window, its output will cause the door or window to open or close.

The PDU-C120 is a versatile and reliable optical sensing device that can be used in a wide range of applications. It is suitable for detecting the presence of an object, controlling automated doors or windows, and sensing the presence or absence of people. It is extremely efficient and has a wide range of working conditions, with the ability to detect objects as close as 8 cm and as far as 12 m. In addition, it is resistant to interference from other infrared sources, such as sunlight.

Due to these wide-ranging capabilities, the PDU-C120 can be used in a variety of situations, such as in manufacturing plants, factories, and warehouses, where the presence or absence of people needs to be monitored; or in automatic door or window opening systems. It can also be used in automated lights, such as those found in public areas, where the presence of a person triggers the lights to turn on.

In conclusion, the PDU-C120 is an ideal optical sensor for detecting the presence of an object, controlling automated doors or windows, and sensing the presence or absence of people. It is a reliable, efficient, and versatile sensor, and is able to detect objects at various distances with accuracy.

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