This condition monitoring basics video explains how to identify a machine RPM. In preventive maintenance it's important to manually measure the RPM of your machine because the RPM on the motor's nameplate might not be the actual running speed. Watch more condition monitoring videos: [ Ссылка ]
Never assume that the RPM of the machine is that which is labeled on the motor’s nameplate, this is the speed that the machine was manufactured at, but typically not the actual RPM. In order to determine the actual RPM, you will want to use a stroboscope or tachometer on the coupling as the machine is running. As long as the impact fault is within a 5% variance, this is acceptable. Learn more about how to accurately identify RPM► [ Ссылка ]
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This video shows how to determine the accurate RPM of a machine with a strobescope or tachometer on the coupling as the machine is running.
