SEV 125 Series

 

The SEV 125 Series of shakers are matched with the DSA1K and DSA1.5K Series of Power Amplifiers. Its armature and field supplies are assembled in one 19-inch rack mountable bench/ table top cabinet.

Standard Features

  • Complies with EMC, Low Voltage and Machinery Directives under CE
  • Compatible with all standard Vibration Controllers
  • Trunnion mounted shaker for operation in vertical and horizontal position

Optional Features

  • Air mounts between the base and ground for isolation
  • PC based Power Amplifier Remote

Technical Specifications

SEV 125 Series Shaker, DSA Series Amplifier SEV 125 – DSA 1K SEV 125 – DSA 1.5K
System Performance
Armature Diameter 125 mm 125 mm
Sine Force (peak) 100 kgf (220 lbf, 1 kN) 150 kgf (330 lbf, 1.5 kN)
Random Force (rms) 70 kgf (154 lbf, 0.7 kN) 105 kgf (231 lbf, 1 kN)
Acceleration (sine) 50 g 75 g
Velocity (sine peak) 1.2 m/sec 1.2 m/sec
Displacement (pk-pk) 20 mm (0.8 in) 20 mm (0.8 in)
Axial Resonance (±5%) 4200 Hz 4200 Hz
Useful Frequency Range DC to 4500 Hz DC to 4500 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 2 kg 2 kg
Internal Load Capability 12 kg 12 kg
Suspension Axial Stiffness 1.6 kg/mm 1.6 kg/mm
Suspension Cross-Axial Stiffness 230 kg/mm 230 kg/mm
Stray Magnetic Field* < 3.0 mT (30 gauss) < 3.0 mT (30 gauss)
Cooling Air Flow 300 cfm 300 cfm
Compressed Air** Not Required Not Required
Shaker Body Mass 400 kg 400 kg
Dimensions (L x W x H) 540 x 375 x 495 (mm) 540 x 375 x 495 (mm)
Amplifier Characteristics
Power Output 1 kVA 1.5 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 SEV 125 Shaker
Pattern PCD PCD PCD
Position of Insert Centre 64 mm 90 mm
No. of Inserts (Total – 9) 1 4 4
Safety Norms
CE Complies with 73/23/EEC Low Voltage Directive, 89/336/EEC Electromagnetic Compatibility Directive and 98/37/EC Machinery Directive
Notes:
  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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