SEW 500 Series


The SEW 500 Series of Shakers are matched with the DSA 120K and DSA 160K Series of Power Amplifiers. Its armature and field supplies are assembled in three 19-inch network racks of 36 unit height. The water cooling system is assembled in two 19-inch network racks of 42 unit height.

Standard Features

  • Complies with EMC, Low Voltage and Machinery Directives under CE
  • Imported magnesium alloy armature structure
  • Hydrostatic 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
  • Hermetically sealed construction

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

Technical Specifications

SEW 500 Series Shaker, DSA Series Amplifier SEW 500 – DSA 120K SEV 500 – DSA 160K
System Performance
Armature Diameter 500 mm 500 mm
Sine Force (peak) 7000 kgf (15400 lbf, 70 kN) 10000 kgf (22000 lbf, 100 kN)
Random Force (rms) 7000 kgf (15400 lbf, 70 kN) 10000 kgf (22000 lbf, 100 kN)
Shock Force (rms) 14000 kgf (30800 lbf, 140 kN) 20000 kgf (44000 lbf, 200 kN)
Acceleration (sine) 85 g 100 g
Velocity (sine peak) 1.8 m/sec 2.0 m/sec
Displacement (pk-pk) 38 mm (1.5 in) 38 mm (1.5 in)
Axial Resonance (±5%) 2000 Hz 2000 Hz
Useful Frequency Range DC to 2000 Hz DC to 2000 Hz
Protection Interlocks Mains 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 Compliance System complies and marks to the international safety requirements w.r.t. CE and CSA
Shaker Characteristics
Moving Element Mass 82 kg 100 kg
Internal Load Capability 800 kg 1000 kg
Suspension Axial Stiffness 8 kg/mm 8 kg/mm
Suspension Cross-Axial Stiffness 2000 kg/mm 2200 kg/mm
Stray Magnetic Field* < 1.0 mT (10 gauss) < 1.0 mT (10 gauss)
Compressed Air** 6 bar (87 psi) 6 bar (87 psi)
Cooling A dedicated cooling system for storing, circulating and cooling distilled water used for cooling
Amplifier Characteristics
Power Output 120 kVA 160 kVA
Total Harmonic Distortion*** Typically 0.5% Typically 0.5%
Input Impedance > 10 kΩ > 10 kΩ
Input Sensitivity 4 Vrms, Compatible with all standard controllers 4 Vrms, Compatible with all standard controllers
Signal-to-Noise Ratio > 70 dB > 70 dB
Power Efficiency > 90% > 90%
Armature Insert Pattern SEW 500 Shaker
Position of Insert Centre 200 mm 400 mm
No. of Inserts (Total – 17) 1 8 8
Safety Norms
CE Complies with 73/23/EEC Low Voltage Directive, 89/336/EEC Electromagnetic Compatibility Directive and 98/37/EC Machinery Directive
  1. *150 mm above armature head
  2. **Compressed air to be provided by customer at installation site
  3. ***Measured on pure resistive load
  4. Customised specifications are also tailored on request
  5. Please contact Sdyn for advice on the optimum specifications to meet your testing requirements
  6. Specifications are correct at the time of publication and are subject to improvement or amendment without prior notice

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