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Vibration Sensors

Vibrations produced by industrial machinery are vital indicators of machinery health

The ability to measure, monitor, and analyze vibration is essential to many industries and areas of research & development. Unfortunately, the proper methods for creating an accurate and repeatable vibration measurement system are not always clear to engineers unfamiliar with the nuances of test equipment and vibration analysis.

Vibrations produced by industrial machinery are vital indicators of machinery health. Vibration analysis is used as a tool to determine a machine’s condition and the specific cause and location of problems, expediting repairs and minimizing costs. Machinery monitoring programs record a machine's vibration history. Monitoring vibration levels over time allows prediction of problems before serious damage can occur.

If a sensor is involved, it might be measuring the first vibration movements of an earthquake or a mechanical failure in an industrial setting. It’s typically noise that gives us the first clue that trouble looms—and if trouble is what you’re trying to avoid, there can be two aspects of vibration you should pay close attention to:

The monitoring of vibration
Maintenance based on sensor data to avoid future issues
As machines or the electronics and components within machines begin to move back and forth, the vibration is preventing a smooth flow of energy. The flow is interrupted, hence the noise and the shake. Typically it’s overload due to some sort of stress, or the components themselves may have reached their useful life—gears, teeth, bearings, or belts may be in the process of failure.

When selecting the vibrations sensors keep below points in mind

Vibration level	Frequency range?	Temperature range?
Environment / atmosphere conditions	Electromagnetic or acoustic interference	Sensor size and weight

Industries where vibration sensors used

HVAC	Oil and Gas	Food & Beverage
Mining	Construction	Automotive