Low-Speed Machines Vibration Monitoring

The very low-speed machines where the vibration level is low more sensitive accelerometer is needed.

It needs to produce enough voltage for the data collector to measure.

The issue of unit conversion and integration are most important when testing low-speed machines (below 3 Hz or 180 RPM).

Hereunder are the points to consider while measuring low-speed applications:

• Use high-sensitivity accelerometers (500 mV/g) or (1000 mV/g).
• Follow ISO 20816 standards about sensor mounting, and mount the accelerometer in the load zone.
• Modify the machine's database to increase the FFT spectrum resolution.