tachometer

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Two Minute Tips
  • Vibration Analysis

Automatic RPM Identification From Vibration Data

Vibration analysis requires a correct identification of the rotational speed of the machine. How the different frequencies of the spectrum are related to RPM, identifying with high accuracy the order of each frequency, is essential for the analysis process.

Two Minute Tips
phase simulator
  • Alignment + Balancing

Phase Simulator

The simulator of measuring system (Lead Phase or Lag Phase), phase convention (Rotating Scale or Fixed Scale) and scale direction (Contrary to Rotation or Same of Rotation), shows, during rotation, for the first turn the tachometer event...

  • Jose Mendez Adriani
  • Central University of Venezuela
Articles
  • Motor Testing

Vibration Measurement Techniques for Continuously Varying Speed Machinery

There are a lot of equipment types in industry that exhibit continuously varying speed. This presents a number of challenges to the vibration analyst. If a time sample is collected as the machine is continuously changing speed, the FFT will produce a virtually useless plot...

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