SEV 240 Series
The SEV 240 Series of Shakers are matched with the DSA 10K and DSA 15K 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
Technical Specifications
| SEV 240 Series Shaker, DSA Series Amplifier | SEV 240 – DSA 10K | SEV 240 – DSA 15K |
| System Performance | ||
| Armature Diameter | 240 mm | 240 mm |
| Sine Force (peak) | 1000 kgf (2200 lbf, 10 kN) | 1500 kgf (3300 lbf, 15 kN) |
| Random Force (rms) | 1000 kgf (2200 lbf, 10 kN) | 1500 kgf (3300 lbf, 15 kN) |
| Shock Force (rms) | 2000 kgf (4400 lbf, 20 kN) | 3000 kgf (6600 lbf, 30 kN) |
| Acceleration (sine) | 75 g | 90 g |
| Velocity (sine peak) | 1.7 m/sec | 1.7 m/sec |
| Displacement (pk-pk) | 38 mm (1.5 in) | 38 mm (1.5 in) |
| Axial Resonance (±5%) | 2800 Hz | 2800 Hz |
| Useful Frequency Range | DC to 3200 Hz | DC to 3200 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 | 13 kg | 17 kg |
| Internal Load Capability | 240 kg | 260 kg |
| Suspension Axial Stiffness | 5 kg/mm | 5 kg/mm |
| Suspension Cross-Axial Stiffness | 300 kg/mm | 300 kg/mm |
| Stray Magnetic Field* | < 1.5 mT (15 gauss) | < 1.5 mT (15 gauss) |
| Cooling Air Flow | 1200 cfm | 1200 cfm |
| Compressed Air** | 6 bar (87 psi) | 6 bar (87 psi) |
| Shaker Body Mass | 1500 kg | 1500 kg |
| Dimensions (L x W x H) | 1000 x 660 x 880 (mm) | 1000 x 660 x 880 (mm) |
| Amplifier Characteristics | ||
| Power Output | 10 kVA | 15 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 240 Shaker | |||
| Pattern | PCD | PCD | PCD | PCD |
| Position of Insert | Centre | 100 mm | 141.4 mm | 200 mm |
| No. of Inserts (Total – 13) | 1 | 4 | 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: |
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