What is a Vibration sensor?

A vibration sensor is a detection element for measuring the vibration state of a machine or object. A vibration sensor is indispensable for grasping and monitoring the vibration state of a machine. Indicators of vibration of an object include acceleration, velocity, and displacement. The vibration sensor has the function of measuring physical quantities that serve as these indicators and converting them into electrical quantities such as voltage and current. There are two types of sensor configurations, generally called a vibration sensor, a contact type and a non-contact type. These two vibration sensors must be used properly according to the physical quantity (acceleration, velocity, displacement) of the measurement target and the condition of the target. In selecting a detailed vibration sensor to further improve the measurement accuracy, it is necessary to consider the magnitude and frequency range of the vibration of the object and the measurement environment.

Application of Vibration sensor

Vibration sensors are used in the fields of production equipment and research and development. In production equipment, vibration sensors are used for preventive maintenance to detect failures and damages of equipment at an early stage. By using sensors, it is possible to prevent huge repair costs and production efficiency drops due to breakdowns and damage. Small vibration sensors are playing an active role in production equipment in recent years, and it can be said that most of them are for the purpose of machine diagnosis and predictive maintenance utilizing IoT technology. An example in the field of research and development is the use of vibration sensors for vibration and impact measurement, which are used in product tests and durability tests. In recent years, vibration sensors have also been used to evaluate occupant comfort, especially in the automobile industry. In the field of other industrial equipment, the vibration sensor has a wide range of applications, including applications for electrical equipment, automobiles, and production robots.

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