BRUEL & KJAER 4809 User Manual

- 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) .

BRUEL & KJAER 4809 Specifications

General

Type	Vibration Exciter
Power Supply	External Power Amplifier required
Transverse Sensitivity	< 5%
Power Amplifier	Requires external amplifier
Cooling	Air cooling