SE-20
Innovative spring-guided vibration exciter with leading technology as part of the SE-2X exciter series.
The SE-20 offers a very wide frequency range, low transverse motion, a wide temperature range and high payload (e.g. for geophones). In addition to high quality components, the focus is on a broad range of applications and easy implementation in existing test environments. The shaker can be operated vertically and horizontally and requires no compressed air supply or zero-position control.
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Product details
Technical data
| SE-20 | |
| Force rating, max. (sine-peak) | 95 N 1) |
| Frequency range | DC … 20 kHz 3 Hz … 10 kHz recommended for calibration of vibration sensors |
| Acceleration, max. (sine-peak) | 600 m/s² 1) |
| Displacement, max. (peak-peak) | 10 mm |
| Transverse motion | typical < 5 % 2) |
| Payload, max. | 2 kg (vertical) / 1 kg (horizontal) |
| Temperature range (in operation) | -20 °C … +80 °C |
| Stray magnetic field on table | < 3 mT |
| Armature weight | 160 g |
| Weight (total) | 17 kg |
| Dimensions (H × W × L) | 138 mm × 270 mm × 270 mm |
All specifications are at room temperature unless otherwise specified. Technical data achieved with power amplifier PA 500 DM.
1) interval mode of operation
2) single peaks up to 15 % / better than ISO 16063-11/21
For a wider temperature range, especially to be used in climate chambers, we offer a special T-variant of the SE-20.
DUT mounting
- 50 mm (1.97 in) coupling surface diameter
- hard coated surface
- ¼-28 UNF thread hole
- 3 plcs 10-32 UNF thread holes
- other thread patterns on request
Options and accessories
- suitable power amplifiers (PA 180 DM, PA 500 DM)
- internal reference accelerometer including BNC cable
- set for active cooling
- readout set for the internal temperature sensor
- trunnion base for operation of the vibration exciter at a wide tilt angle range
- adapter sets
For further details, please refer to the technical data sheet. Subject to change without notice.
Performance
The diagrams below show the performance of the SE-20 and SE-20T for operation alternating between 10 minutes at full load and 10 minute breaks (blue graph). Performance may vary for different cycles. The yellow graph shows acceleration values that can be safely used during continuous operation.
CS Q-LEAP™ SINE with SE-20
The CS Q-LEAP™ system is used for vibration calibration (3 Hz…10 kHz) of a wide range of sensors. It consists of the HERO™ vibration controller and the SE-20 high-frequency vibration exciter.
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SE-2x Trunnion Base
Allows the vibration axis of the exciter (SE-20, SE-21 and SE-29) to be tilted and locked at any angle between 0° and 90° from the vertical axis.
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Large set of adapters
large set of adapters for sensor mounting (screwing and gluing)
including adapter plate
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PA 500 DM
This specially designed power amplifier offers a max. frequency range DC...200 kHz, small harmonic distortion, excellent stability even with temperature or supply line variations and helpful protection functions.
For all vibration exciters that require a 500 VA power amplifier (load impedance 4 Ω).
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