Pressure sensor
Pressure Sensor
A pressure sensor is a device that senses pressure and converts it into an analog electrical signal, where the intensity of the signal depends on the pressure applied. Technically, a pressure sensor consists of two main parts, an elastic material which deforms (changes shape) when pressure is applied, and an electrical device which detects this deformation. Pressure sensors are used in a variety of systems to sense the pressure of physical gases or liquids.
Types of Pressure Sensors[edit | edit source]
There are several types of pressure sensors, including:
- Capacitive Pressure Sensor: These sensors measure pressure by detecting the change in capacitance caused by the deflection of a diaphragm.
- Piezoresistive Pressure Sensor: These sensors use a diaphragm and strain gauge to measure pressure. The strain gauge detects the strain caused by the pressure and converts it into an electrical signal.
- Resonant Pressure Sensor: These sensors measure pressure by detecting changes in the resonant frequency of a vibrating element.
Applications of Pressure Sensors[edit | edit source]
Pressure sensors are used in a variety of applications, including:
- Industrial Applications: Pressure sensors are used in various industrial applications for control and monitoring of systems.
- Medical Applications: In the medical field, pressure sensors are used in devices like blood pressure monitors and respiratory machines.
- Automotive Applications: In the automotive industry, pressure sensors are used in systems like tire pressure monitoring and engine management systems.
See Also[edit | edit source]
References[edit | edit source]
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