Vibration Exciter

APS Dynamics Inc. designs and manufactures mainly Long Stroke Vibration Exciters for the low frequency range. The ELECTRO-SEIS® shakers are available in two different configurations – ball bearing type shakers and air bearing type shakers.

 

Ball Bearing

The ball bearing shakers are used primarily for modal test excitation or environmental test applications in the low frequency range < 200 Hz. Although these shakers have a long stroke (158 mm) they are still portable. Thus APS ELECTRO-SEIS® shaker are ideal tools for testing of bridges, buildings or other objects outside a laboratory.

Air Bearing

For sensor calibration applications or testing applications that require a smooth motion of the exciter, the APS Shakers feature air bearing armature guidance for exceptionally clean waveforms with wide dynamic range and very low cross-axis motion.

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Long Stroke Shaker_APS 113-AB

APS 113-AB

APS 113-AB

Air-bearing ELECTRO-SEIS® Long Stroke vibration exciter, especially developed for the calibration and testing for low frequency sensors and sensor charcterization.

Air Bearing vibration exciter

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Long Stroke Shaker APS 129

APS 129

APS 129

Air-bearing ELECTRO-SEIS® Long Stroke Vibration Exciter with mounting table for high payloads up to 23 kg. Especially developed for the calibration and testing of big and heavy low frequency sensors as well as for sensor characterization.

Air-bearing Long Stroke Vibration Exciter

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Long Stroke Shaker_APS 500

APS 500

APS 500

Air-bearing ELECTRO-SEIS® Long Stroke vibration exciter with mounting table for payloads up to 3 kg. Especially developed for the calibration and testing of compact low frequency sensors and for sensor characterization at higher acceleration.

Air-bearing Long Stroke vibration exciter

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Very Long Stroke Shaker_APS 600

APS 600

APS 600

Air-bearing ELECTRO-SEIS® Long Stroke vibration exciter with mounting table for very high payloads. Especially developed for the calibration and testing of geophones and heavy seismic sensors.

Air-bearing Long Stroke vibration exciter

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