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Piezoelectric sensors are usually very stable so they don't need calibration after purchasing but in extreme conditions characteristics may change over time. In this case the sensors are usually sen to the manufacturer. [910; 1011]
Sources
- Pressure definition:http://www.school-for-champions.com/science/pressure.htm#.U1ilsRDFJ8E
- Archimedes' Law: http://www.auburn.edu/~nzk0001/pub/phys1600/10_archimedes.pdf
- Determining the density: http://physics.about.com/od/fluidmechanics/f/density.htm
- Preeti Jain, Pressure Sensors, http://www.engineersgarage.com/articles/pressure-sensors-types-working
- Robert E. Bicking, Fundamentals of Pressure Sensor Technology 1998, http://www.sensorsmag.com/sensors/pressure/fundamentals-pressure-sensor-technology-846
- PiezoStar® Pressure Sensor Datasheet by Kistler
- Piezoelectric Transducers and Applications, editor: Antonio Arnau Vives
- Eduardo Bartolome, Signal conditioning for piezoelectric sensors, http://www.ti.com/lit/an/slyt369/slyt369.pdf
- CONVENTIONAL CHARGE OUTPUT SENSORS, http://www.pcb.com/TechSupport/tech_signal
- Calibration services http://www.pcb.com/SensorCalibrationServices/CalibrationServices
- Accuracy and Calibration http://www.mmf.de/accuracy_and_calibration.htm
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