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In general industrial production sites, eddy current proximity switches and P+F Pepperl+Fuchs capacitive proximity switches are usually used. Because these two kinds of proximity switches have lower requirements for the environment. When the measured object is a conductive object or an object that can be fixed on a piece of metal, the eddy current proximity switch is generally selected because of its high response frequency, good anti-environmental interference performance, and a wide range of applications.

If the P+F Pepperl+Fuchs photoelectric switch measures non-metal, liquid level, plastic, etc. The capacitive proximity switch should be selected. The photoelectric proximity switch can be used in the environment with good environmental conditions and no dust. When the photoelectric proximity switch is working, there is almost no effect on the measured object. In anti-theft systems, automatic doors usually use pyroelectric proximity switches and ultrasonic proximity switches. No matter which kind of proximity switch you choose, you should pay attention to the requirements for various indicators such as operating voltage, load current, response frequency, and detection distance. Here is a brief talk about the pressure sensor. Pressure sensor Generally, the output of an ordinary pressure sensor is an analog signal. In a continuous time interval, the characteristic quantity of its representative information can be presented as a signal of any value at any moment. The pressure sensor we usually use mainly uses the piezoelectric effect to make the pressure sensor. In addition to photoelectric switches, do we have other sensor equipment in the industrial field? That's more, such as temperature sensors, ultrasonic sensors, color mark sensors, and so on.