What are pressure sensors?

Pressure sensors have been requested since the arrival of the age of steam. Billions of such sensors are used daily to monitor fluid pressure in pipes, engines, hydraulics or in nature. Specialized sensors are also used to determine the pressure of solids or gases. A typical pressure sensor is probably a cubic thumb in size, although some may be one hundred or more smaller ones, such as those used in microelectromechanical systems. The pressure causes the material to perform electricity at a certain speed, resulting in a specific level of the hub flow associated with a specific pressure level. This charge is fed to a wire that leads to the control panel and the display for human analysis.

Conventional pressure sensors are used by film resistors, deformation of meters, metal alloys or polycrystalline semiconductors as a resistance medium. These materials perform more or less electricity based on geometric deformyve. Because a linear pressure increase does not lead to linear size in DeformMaci, calibration techniques must be used to determine the actual pressure. These are built in the vast majority of systems. The resistance change is not based on geometric deformations in conductive material, but on smaller, finer structural cylinders.

There are several different types of pressure sensors. One of them is the absolute pressure sensor that measures absolute pressure using a vacuum as a reference point. Another is the GAGE ​​sensor, which measures the pressure by reference to the surrounding atmospheric pressure. There are also differential pressure sensors, which measure the pressure difference between two contacts.

There is usually an interventing medium between the measured fluid and the pressure sensor itself. A metal membrane or hermetically sealed liquid chamber is often used. Especially when measuring the pressure of volatile or corrosive materials such as hot oil in the engine, a mediation layer is used to prevent damage to delicateabout the sensing device. In addition to their almost disturbing use in process devices, natural scientists are also used by pressure sensors to determine variables such as the Ice Pack depth or the density of the rock layer.