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Acceleromwter

Types of Sensors used in Vibration Measurement

Vibration  Oscillating movement around equilibrium position is called as vibration. Vibration measurement is used to check electric motors, turbines or bearings health and resonance. The dynamics of the machine, such as the alignment and balance of the spinning elements, are what cause vibrations in all rotating machines. Monitoring vibration amplitude at specific frequencies can reveal …

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Vibration measuring instruments, Accelerometers

  The instruments which are used to measure the displacement, velocity or acceleration of vibrating body are called vibration measuring instruments. What is Machine Vibration? Machine vibration is simply the back-and-forth movement of machines or machine components. Any component that moves back and forth or oscillates is vibrating. A machine component may vibrate over large …

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Vibration Measurement – Accelerometer

AccelerometerAccelerometers are a piezo-electronic (crystal) device. A pre- loaded crystal is charged with current and as the crystal is compressed or de-compressed by vibration an output proportional to g’s (gravity) is provided.  A “g” is equal to 9.80 meters/second2 or one (1) standard earth gravity. Accelerometers are normally used for high-frequency bearing cap vibration readings (Case/Bearing …

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