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The various noise sources of piezoelectric transducers connected to preamplifiers are discussed. Low level, low frequency measurements are limited by the electromechanical efficiency of the piezoelectric material used in the accelerometer and the characteristics of the preamplifier. Noise...

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Read our informative FAQ about accelerometer calibration here......

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An accelerometer is an instrument that senses the motion of a surface to which it is attached, producing an electrical output signal precisely analogous to that motion. The ability to couple motion, (in the form of vibration or shock), to the accelerometer with high fidelity, is highly dependent...

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The History of the Accelerometer: 1920s-1996 - Prologue and Epilogue, 2006. Patrick L. Walter, Texas Christian University, Ft. Worth, Texas...

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To calibrate a vibration accelerometer is to accurately determine its sensitivity (in mV/g or pC/g) at various frequencies of interest. The ISA approved back-toback comparison method is probably the most convenient and least expensive technique....

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Although everyone would like them to be, sensors are not perfect. Understanding the accelerometer's errors is just as important as understanding how the accelerometer works in an application. Errors can and will affect the application's performance. This application note explains the sources...

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This paper is written as an overview on low-noise piezoelectric accelerometers and will review when and where low-noise devices are needed as well as the engineering tradeoffs made during the design of the device. Noise can be defined as any undesired signal. This paper will limit the discussion...

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Accelerometer based monitoring systems can be tested to verify proper installation and operation. Testing ensures data integrity and can identify most problems. The trouble shooting techniques presented in this paper are very simple and can be performed with most monitoring systems and data...

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The customer's Automated Accelerometer Calibration System provides NIST traceable calibration of most accelerometer types, whether self-generating piezo-electric or accelerometers requiring current or voltage excitation. The output of the accelerometer can be charge or voltage, single- ended...

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Motorsports recognizes the need for a triaxial. accelerometer that can provide accurate vibration results. in pre-race trials, and real-time measurements during the. course of an actual race. Precise data needs to be. gathered that allows the racing engineer to determine. design modifications...

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