What are the functions of sensors? In order to obtain information from the outside world, people must resort to sensory organs. However, people's own sensory organs are far from enough in the study of natural phenomena and laws and production activities. To adapt to this situation, sensors are needed. Therefore, it can be said that the sensor is an extension of the human five sense organs, also known as the electrical five sense features.
The advent of the new technological revolution, the world has begun to enter the information age. In the process of using information, the first thing to be solved is to obtain accurate and reliable information, and sensors are the main way and means to obtain information in the fields of nature and production.
In modern industrial production, especially in the automated production process, various sensors are used to monitor and control various parameters in the production process, so that the equipment works in normal or optimal state, and the product reaches the best quality. Therefore, it can be said that without many excellent sensors, modern production has lost its foundation.
In basic subject research, sensors have a more prominent position. The development of modern science and technology has entered many new fields: for example, it is necessary to observe the vast universe of thousands of light-years in the macroscopic view, the world of particles as small as cm in the microscopic view, and the evolution of celestial bodies for hundreds of thousands of years in the vertical direction. , An instant response as short as s. In addition, various extreme technology researches, such as ultra-high temperature, ultra-low temperature, ultra-high pressure, ultra-high vacuum, ultra-strong magnetic field, ultra-weak magnetic field, etc., which play an important role in deepening material understanding, opening up new energy and new materials, have emerged. Obviously, it is impossible to obtain a large amount of information that cannot be directly obtained by the human senses without a suitable sensor. The obstacles to many basic scientific researches are, first of all, the difficulty in obtaining object information, and the emergence of some new mechanisms and high-sensitivity detection sensors often leads to breakthroughs in this field. The development of some sensors is often the pioneer of the development of some marginal subjects.
Sensors have already penetrated into extremely broad fields such as industrial production, space development, ocean exploration, environmental protection, resource investigation, medical diagnosis, biological engineering, and even cultural relic protection. It is no exaggeration to say that from the vast space, to the vast ocean, to various complex engineering systems, almost every modern project is inseparable from a variety of sensors.
It can be seen that the important role of sensor technology in developing economy and promoting social progress is very obvious. Countries all over the world attach great importance to the development of this field. It is believed that in the near future, sensor technology will take a leap, reaching a new level commensurate with its important status.
Lemo company are professional manufacturer to process precision CNC parts for sensors, the normal material can be aluminum, stainless steel, brass, copper,POM, PEEK and so on. 
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