SJ5394

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SJ5394 vacuum pressure switch is a kind of electrical switching device used to detect the change in atmospheric pressure. It is widely used in industries such as Vacuuming, Measuring, Testing, and High-Pressure Protection. The device is composed of a sensing element, a switch body, a spring, a diaphragm, and a contact. When the atmospheric pressure changes, the sensing element will convert it to conduction current. This current will then cause the contact to open or close when the spring tension is exceeded.The working principle of SJ5394 is based on the principle of Bernoulli’s Law. According to this law, when the velocity of a fluid flow increases, its static pressure decreases. This is because the fluid is taking energy from the surrounding environment. This phenomenon can be observed in nature as well as in man-made devices. For instance, when a bird flies through the air, the static pressure on its wings decreases due to its increased velocity. Similarly, in vacuum pressure switches, as the atmospheric pressure decreases due to the operation of the pump, the static pressure on the diaphragm will also decrease, and the contact will open or close accordingly.In addition to its use in the vacuum pressure switch, the SJ5394 can also be used in many other applications. It is often used as a pressure sensor in high-temperature and high-pressure systems. It can be used to detect the presence of liquids or gases in pipelines or other systems. It can even be used in combination with temperature sensors to detect temperature changes in a process.The SJ5394 has a number of advantages over other pressure switch designs. Firstly, it is extremely reliable and requires minimal maintenance. Secondly, it is able to detect very small changes in pressure. Thirdly, it is very sensitive and can detect even the slightest changes in pressure. Finally, it is relatively easy to install and does not consume a lot of power.Overall, the SJ5394 vacuum pressure switch is an incredibly versatile and reliable switching device. It is used in a variety of industries for a variety of applications, and it has numerous advantages when compared to other pressure switch designs. Its exceptional reliability and versatility make it a great choice for any kind of pressure sensing application.

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