Piezo electric pressure sensor8/30/2023 Once the pressure sensor produces an electrical signal, they are measured and recorded.The apparatus which allows expansions and contractions converts pressure into voltages or electrical signals.The working principle of pressure sensors can be broken down into four steps: Once the pressure sensor measures a physical change, the information is transmitted into an electrical signal, which is then displayed as usable data for the user to interpret. Vacuum Pressure: The pressure measurement that is less than the surrounding atmospheric pressureĪll pressure sensors use the same basic working principle by measuring a physical change in pressure differences.Differential Pressure: The pressure difference between two applied pressure values.Absolute Pressure: The measurement relative to a pure vacuum of space – this is important when measuring altitude pressure changes.Gauge Pressure: The measurement of pressure relative to ambient pressure.Pressure Sensor Terminologyīefore we get into the different types of pressure sensors, there is some key terminology related to pressure sensors that you should know about. The most common type of pressure sensor used is a transducer (piezoelectric and strain gauge) as they are applied to applications to monitor flow, airspeed, level, pump systems, or altitude. Pressure sensors allow more specialized maintenance strategies, and they can predict and prepare for risk failures because they work on real-time data.Īpplications that have a pressure sensor installed mean that maintenance teams are alerted when necessary, allowing them to address the issue immediately. Pressure is defined as the amount of force (exerted by a gas or liquid) applied to a unit of ‘area’. Despite which term is used, they all produce an output signal and measure pressure. Those include pressure transducers, pressure transmitters, and pressure indicators, among others. There are several common terms often used interchangeably to describe pressure sensors. ![]() To learn more about other types of sensors, see our related guides that cover the different types of humidity sensors, and temperature sensor types, or to learn about other measurement devices, see our full range of guides. ![]() This article will discuss the different types of pressure sensors, describe the working principles, and review which common applications utilize them. Pressure sensors are used to control and monitor a wide range of everyday applications, including indirect measurements of gas/ fluid flow, speed, altitude, and water levels.īecause of their wide range of uses in applications, they vary drastically in technology, design, performance, stability, and cost. Pressure is defined as the force required to stop a fluid from expanding, typically displayed as force per unit area. Pressure sensors are extremely useful devices that measure the physical pressure of gases or liquids via a sensor and output signal. There are seven main types of pressure sensors: Aneroid barometer pressure sensors, manometer pressure sensors, bourdon tube pressure sensors, vacuum (Pirani) pressure sensors, sealed pressure sensors, piezoelectric pressure sensors, and strain gauge pressure sensors. ![]() ![]() Pressure sensors help notify maintenance teams of risks before serious failures occur, allowing corrective action to take place.
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