BRUEL & KJAER 4809 Instructions And Applications

- Instructions
and Applications
~
Vibration Exciter
Type 4809
The Vibration Exciter Type 4809 is
a permanent magnet type exciter
for use in accelerometer calibration ,
mechanical impedance measurement
or testing of small structures. It
has a force rating of 10 lbf. (44.5 N) .