Physicists and instrument makers in Leiden have succeeded in optimizing a spring that almost completely filters out ...

(1) IN the preface to their book on “Electrical X Measuring Instruments,” the authors state that “some apology would seem to be necessary for issuing yet another book on electrical instruments.” It is ...

Columbia Research Laboratories has introduced the Model VM-300 vibration meter, a general purpose vibration-measuring instrument designed for periodic routine checks of industrial equipment where ...

Industry 4.0, also known as the fourth industrial revolution, is a term used to describe the current trend of automation and data exchange in manufacturing technologies, including the Internet of ...

Part 1 of this series addressed the advantages and disadvantages of various vibration sensors; Part 2 examined signal conditioning and system hardware selection and configuration. I’ll wrap up by ...

Today, a vast number of micro-manufactured sensors, actuators and components vibrate at frequencies in the high MHz range. Some examples of these high-frequency vibrating systems include surface ...

The lining cavities in tunnels have strong concealment and pose significant risks, seriously affecting tunnel operational safety. Therefore, it is necessary to develop efficient and high-precision ...