Piezoelectric Pressure Sensors
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Piezoelectric Pressure Sensors
Piezoelectric sensors contain crystal sensing elements which convert a mechanical or thermal input into an electrical signal, normally a charge output. Piezoelectric Pressure Transducers are used for measuring dynamic pressure or acoustics in extreme environments. They are often used for measuring dynamic pressures in Engine In-cylinder Combustion, Aero & Gas Turbines, Ballistics and even Plastic Injection moulding and Machine Control. Piezoelectric Pressure Sensors exhibit fast dynamic response, extreme ruggedness at high temperatures to 850 Degrees. Custom solutions are readily available including the full measurement chain of cable, connectors, insertion/extraction tools and signal conditioning amplifiers.
Piezoelectric Pressure Sensors
Frequently Asked Questions About Piezoelectric Pressure Sensors
A piezoelectric pressure sensor is a type of sensor that converts mechanical pressure into an electrical charge or voltage. It utilizes the piezoelectric effect, which refers to the ability of certain materials to generate an electric charge in response to applied mechanical stress.
Piezoelectric pressure sensors consist of a piezoelectric material, typically a crystal or ceramic, sandwiched between two electrodes. When pressure is applied to the sensor, it causes a deformation in the piezoelectric material, generating an electric charge or voltage. This electrical output can be measured and correlated to the applied pressure.
Piezoelectric pressure sensors offer several advantages, including high sensitivity, fast response time, wide measurement range, and ruggedness. They can be used in a variety of environments and are capable of measuring dynamic pressures accurately. Additionally, piezoelectric sensors do not require an external power source for operation.
Piezoelectric pressure sensors find applications in various industries and fields. Some common applications include Automotive Combustion Engine Development, Aero Engine development, Gas Turbine Monitoring, Large engine controls, Plastic Injection Moulding, Machine control, monitoring of jet pipe screech/buzz/resonance, monitoring of combustion chamber rumble and stall/surge detection of avoidance/active control. They are also used in research and development for studying fluid dynamics and material properties.
Yes, piezoelectric pressure sensors are known for their ruggedness and ability to withstand harsh environments. They are often designed to be resistant to temperature extremes, humidity, vibration, and shock. However, the level of environmental protection can vary among different sensor models, so it's important to select a sensor that is suitable for the specific application requirements.
Yes, piezoelectric pressure sensors are well-suited for measuring dynamic pressure changes due to their fast response time and high sensitivity. They can accurately capture rapid pressure fluctuations and transient events, making them suitable for applications where real-time monitoring of pressure variations is required.
Piezoelectric pressure sensors produce a charge or voltage output, which may require signal conditioning or amplification depending on the application requirements. The sensor output is typically very low and needs to be amplified before it can be used for further processing or data acquisition. Signal conditioning circuits or dedicated instrumentation amplifiers are commonly employed to achieve the desired signal levels.
PIEZOELECTRIC OVERVIEW
