SEV 300 Series

The SEV 300 Series of Shakers are matched with the DSA 24K and DSA 32K Series of Power Amplifiers. Its armature and field supplies are assembled in one 19-inch network rack of 36 unit height.

Standard Features

  • Complies with EMC, Low Voltage and Machinery Directives under CE
  • Imported magnesium alloy armature structure
  • Imported hose pipe of extended temperature range
  • Self-lubricating central guidance bearing
  • Compatible with all standard Vibration Controllers
  • Trunnion mounted shaker for operation in vertical and horizontal position
  • Pneumatic based auto-centring of armature head
  • Body isolation using air bellows to isolate vibrations from the shaker

Optional Features

  • Air isolation mounts between base and ground
  • PC based Power Amplifier Remote
  • Attachment to Horizontal Slip Table, Head Expander and Vertical Load Support
  • Integration with Environmental Chamber
  • Lowering of gauss level at the armature head
  • Long-stroke with displacement up to 76 mm (3 in)

Technical Specifications

SEV 300 Series Shaker, DSA Series AmplifierSEV 300 – DSA 24KSEV300 – DSA 32K
System Performance
Armature Diameter300 mm300 mm
Sine Force (peak)2000 kgf (4400 lbf, 20 kN)2500 kgf (5500 lbf, 25 kN)
Random Force (rms)2000 kgf (4400 lbf, 20 kN)2500 kgf (5500 lbf, 25 kN)
Shock Force (rms)4000 kgf (8800 lbf, 40 kN)5000 kgf (11000 lbf, 50 kN)
Acceleration (sine)80 g100 g
Velocity (sine peak)1.8 m/sec1.8 m/sec
Displacement (pk-pk)51 mm (2 in)51 mm (2 in)
Axial Resonance (±5%)2700 Hz2700 Hz
Useful Frequency RangeDC to 3000 HzDC to 3000 Hz
Protection InterlocksMains Input Over & Under Voltage, Over Current, Loss of Input Phase, Over Temperature Amplifier & Shaker, Field Fail, Cooling, User Safety Interlock if specifically required by the customer
Safety ComplianceSystem complies and marks to the international safety requirements w.r.t. CE and CSA
Shaker Characteristics
Moving Element Mass25 kg25 kg
Internal Load Capability350 kg350 kg
Suspension Axial Stiffness8 kg/mm8 kg/mm
Suspension Cross-Axial Stiffness400 kg/mm400 kg/mm
Stray Magnetic Field*< 1 mT (10 gauss)< 1 mT (10 gauss)
Cooling Air Flow1500 cfm1500 cfm
Compressed Air**6 bar (87 psi)6 bar (87 psi)
Shaker Body Mass3250 kg3250 kg
Dimensions (L x W x H)1360 x 825 x 1100 (mm)1360 x 825 x 1100 (mm)
Amplifier Characteristics
Power Output24 kVA32 kVA
Total Harmonic Distortion***Typically 0.5%Typically 0.5%
Input Impedance> 10 kΩ> 10 kΩ
Input Sensitivity4 Vrms, Compatible with all standard controllers4 Vrms, Compatible with all standard controllers
Signal-to-Noise Ratio> 70 dB> 70 dB
Power Efficiency> 90%> 90%
Armature Insert PatternSEV 300 Shaker
Position of InsertCentre141.4 mm200 mm250 mm
No. of Inserts (Total – 13)1444
Safety Norms
CEComplies with Machinery Directive (2006/42/EC), Low Voltage Directive (2014/35/EU), and Electromagnetic Compatibility Directive (2014/30/EU)
Notes: *150 mm above armature head **Compressed air to be provided by customer at installation site ***Measured on pure resistive load Customised specifications are also tailored on request Please contact Sdyn for advice on the optimum specifications to meet your testing requirements Specifications are correct at the time of publication and are subject to improvement or amendment without prior notice


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