BRUEL & KJAER System V Instruction Manual

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Instruction Manual
Vibration Exciter System V
• Exciter Body
Type 4801 with
General Purpose
Head Type 481 2
• High g Head
Type 4811
• Mode Study Head
Type 4814
• Permanent Magnet
Body Type 4805
with Calibration
Head Type 481 5
• Big Table Head
Type 4813
This Vibration Exciter System can be used
over a large range of conditions for vibra­
tion tests of instruments and structures . It
consists of two exciter bodies and five exci­
ter Heads .
The exciter employed is driven by a Power
Amplifier 2707 and can deliver a peak
force of 380 to 445 N with Body Type
4801 or 267 to 310 N with the Permanent
Magnet Exciter Body Type 4805. The Exci ­
ter is protected mecha n ica lIy and electri­
cally . Cooling of the Exciter is performed by
a built-in fan in the ca se of the 4801 and
by an externa I extractor fan (not supplied) in
the case of the 4805 . Any angle of opera ­
tion through 360 0 may be chosen, the body
being locked in position by a handwheel .
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Bruel & Kjcer
033-0070