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 a single 19-inch network rack of 30 unit height.

Standard Features

• Complies with Machinery Directives, Low Voltage Directive and Electromagnetic Compatibility Directive under CE
• Magnesium alloy armature structure
• Cooling hose pipe of extended temperature range
• Self-lubricating central guidance bearing
• Trunnion mounted shaker for operation in vertical and horizontal position
• Pneumatic and DC based auto-centring of armature head
• Body isolation using air bellows to isolate vibrations from the shaker
• Air isolation mounts between system base and ground

Optional Features

• Up to 51 mm (2.0 in) with Long Stroke
• PC based Power Amplifier Remote
• Auto Resume from power failure
• Auto Stop after user profile completion
• Attachment to Horizontal Slip Table and Head Expander
• Integration with Environmental Chamber

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	1500 kgf
Random Force (rms)	1000 kgf	1500 kgf
Shock Force (rms)	2000 kgf	3000 kgf
Acceleration (sine)	75 g	90 g
Velocity (sine peak)	1.8 m/s	1.8 m/s
Velocity (shock peak)*	2.4 m/s	2.4 m/s
Displacement (pk-pk)**	38 mm (1.5 in) / 51 mm (2 in)	38 mm (1.5 in) / 51 mm (2 in)
Axial Resonance (±5%)	2800 Hz	2800 Hz
Useful Frequency Range	5 to 3200 Hz	5 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
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	> 75 dB	> 75 dB
Power Efficiency*****	> 92%	> 92%

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 Machinery Directive (2006/42/EC), Low Voltage Directive (2014/35/EU), and Electromagnetic Compatibility Directive (2014/30/EU)

Notes:

*Peak shock velocity with reduced field power **51 mm (2.0 in) with Long Stroke option ***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