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I would like to ask what the vibration unit µmpp means

2009-02-25View Original

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I would like to ask what the vibration unit µmpp means
Reply #22009-02-26
µm is a micrometer, one thousandth of a millimeter. PP refers to the peak-to-peak value, which is the difference between the maximum and minimum values of the vibration’s time-domain waveform. When measuring vibration, peak-to-peak values are used for displacement. The effective value is used for measuring velocity, while the peak value is used for measuring acceleration.
Reply #32009-02-26
It indicates what the peak-to-peak value of the vibration is in um; PP stands for peak-to-peak
Reply #42009-02-26
The expert on the second floor has learned it. When measuring peak-peak vibration, the displacement is always expressed in terms of peak-to-peak values. The effective value is used for measuring velocity, while the peak value is used for measuring acceleration. Discussion: The methods for measuring vibration and displacement are also different, right? I use domestic Palis for my air compressors. Imported Bentley.
Reply #52009-02-27
Vibration and displacement are not parallel concepts; rather, vibration can be expressed using three units, or in other words, three parameters can be chosen – displacement, velocity, and acceleration – all of which relate to vibration. The measurement methods are different, with each having its own sensors.

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