Bruel & Kjaer Type 4808 Permanent Magnet Vibration Exciter



ITEM MODEL: B&K Type 4808 Vibration Exciter

More details

More info

Bruel & Kjaer 4808 Vibration Measuring Instrument


ITEM MODEL: B and K Measurement Exciter Type 4808

CONDITION: This item is fully tested and in working condition.

DESCRIPTION: The B&K Type 4808 incorporates a design based on magnetic-alloy technology to produce excitation. This exciter is suitable for a variety of research and educational applications that include vibration testing of small objects, measuring mechanical impedance and studying structural response. It has a wide frequency range (5 Hz – 10 kHz), a peak-to-peak displacement of 12.7 mm (0.5 in) and can deliver peak sine forces of up to 187 N (42 lbf) with assisted air-cooling or up to 112 N (25 lbf) without. Use Scenarios include: General vibration testing, Mechanical impedance and mobility measurement, Experimental modal analysis, Structural response testing, Accelerometer and vibration transducer calibration, Educational demonstrations. The preceding description was taken from Bruel & Kjaer’s webpage, please visit their site for information on this product.


  • Bruel & Kjaer 4808 Vibration Exciter

Our Guarantee

Our Guarantee

We inspect and test every piece of equipment we sell, and we capture the testing process in our pictures and videos. This usually provides our clients with the assurance that they need.

If you are interested in a particular piece of equipment, and would like to see the results of additional tests that we have not performed, we offer the following services:

  • Contact us to arrange an appointment at our Toronto Canada head office, where you may inspect and test the equipment yourself.
  • If a visit to our office is inconvenient, you may provide us with step-by-step testing instructions. We will then carry out those tests and capture the process via pictures, video, or live video stream.

After your equipment purchase, if you are not completely satisfied, our Guarantee offers you a 30 day return period. During this period, you may return the equipment to us with no questions asked, we only ask that you cover return shipping costs and a 20% restocking fee on our invoice price. 

Please contact us by phone or e-mail if you have any questions.