Bearing Damage Frequency Calculator - BRUEL & KJAER VIBROCONTROL 1800 Series Instructions Manual

EN
The user can set/change the following parameters related to the envelope detector with the
Compact Setup software:
- Measured value in m/s²:
- RMS averaging time in seconds:
This value may vary between 0.1 and 10.0 seconds.
The default value for this parameter is: 3 seconds
- Lower limit frequency envelope in Hz:
This value may vary between 0.9 Hz and 500.0 Hz.
Use: Calculation of position error frequency
The default value for this parameter is: 1 Hz
- Upper limit frequency envelope in Hz:
This value may vary between 4.5 Hz and 500.0 Hz.
Use: Calculation of position error frequency
The default value for this parameter is: 500 Hz
Please note that the upper limit must be set at a higher value than the lower limit.
There are two independent envelope detectors that may each have a different envelope
lower/upper limit. The Bearing Frequency Calculator can provide suggestions for envelope filter
settings.
6.9

Bearing Damage Frequency Calculator

For this purpose, the Compact Setup software includes a database with numerous well-known
bearing manufacturers.
Click in the "Edit" menu in the "ENV" parameter setup view on the "Bearing Frequency Calculator"
button. A window similar to that on the next page then appears.
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