SKF Microlog GX Series - How to Set Up an FRF Measurement

Frequency Response Function Module
How to Set Up an FRF Measurement
How to Set Up an FRF Measurement
Overview
To set up an FRF measurement, you first set up the test apparatus, then configure the
parameters for the FRF Module.
Figure 8 - 1.
Example FRF Measurement Setup.
Accelerometer connected to CH
1
Part under test
Modally tuned hammer fitted wit
h correct tip. Connected to CH R (CH 4)
Foam support to allow free moveme
nt
Test Apparatus Setup
To set up the equipment for an FRF test, you need an accelerometer, a hammer (SKF
Part Number CMAC5056-GXHK-1 or CMAC5057-GXHK-2), the object whose FRF
measurement you are collecting, and a support for the object that allows free
movement when the object is struck with the hammer (such as a foam support).
8 - 2 SKF Microlog - GX Series
User Manual