For ensuring reliability of mechanical components—especially in mission-critical systems— the use of dynamic measurements of mechanical vibration and shock has become commonplace. Accelerometers are the sensors commonly used for measuring and monitoring virtually any imaginable mechanical system and, if a component is experiencing out-of-tolerance behavior, the accelerometer is relied upon to detect this anomaly and raise the red warning flag. So the accelerometer must be designed to survive not only the normal operating conditions, but the extreme environments the system may experience as well.
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