UNICORN LS-800 Active Seismic Stand

UNICORN LS-800 active shock absorber, 0.5Hz ultra-low frequency active isolation, six degrees of freedom omnidirectional control, modular ultra-thin design, maintenance free. Specially designed to eliminate low-frequency vibration noise and improve imaging resolution for SEM/TEM electron microscopes and precision instruments. Free on-site evaluation.

Name：主动式防震台

Brand： UNICORN

Model：庐山系列 LS-800

Origin：中国

UNICORN LS-800 Active Seismic Stand | Electron Microscope Specific Active Vibration Isolation System

UNICORN LS-800 Active Seismic Stand

Active isolation system for electron microscope | 0.5Hz ultra-low frequency isolation | Six degree of freedom active control | Compact modular design

0.5Hz

Isolation starting point

99.8%

Maximum isolation rate

6自由度

Omnidirectional active control

No resonance

Piezoelectric sensing drive

UNICORN LS-800 The active shock absorber provides active isolation performance (starting from 0.5Hz) for electron microscopes and similar large research instruments. By offsetting the destructive low-frequency vibration noise that interferes with measurements, it helps users obtain more information from the microscope. Adopting ultra-thin and modular design, the installation process is simplified, eliminating the need for specialized lifting equipment during installation (suitable for the vast majority of SEM).

产品特点

Seismic range0.5Hz-200Hz active isolation, ≥ 200Hz passive isolation

Six degree of freedom isolationIsolate vibrations from six degrees of freedom and suppress interference in all directions

No low-frequency resonanceInternal feedback loop damping resonance eliminates resonance peaks of traditional passive isolation tables

Piezoelectric sensing driveUsing piezoelectric sensors and drivers for real-time response and precise compensation

Compact modular designUltra thin structure, easy to install, no need for long-term maintenance

Customized single electron microscopeCustomized for each electron microscope, with minimal changes to the overall outline of the microscope after installation

测量原理

The UNICORN LS-800 active shock absorber monitors external vibration signals in real-time through sensors and transmits the data to the controller. The controller generates a reverse force based on the vibration waveform, and the actuator applies a force opposite to the vibration phase to achieve dynamic cancellation, greatly suppressing low-frequency vibration and complex environmental interference. Combining passive isolation and active control technology, the passive system absorbs high-frequency vibration energy, while the active system accurately compensates for low-frequency vibration, achieving full frequency band isolation. Adopting 6-degree-of-freedom control, adaptively adjusting the foundation vibration feedforward to counteract multi-directional vibration transmission.

行业应用

The LS-800 active shock absorber is widely used in high load microscopes and other precision research instruments that are sensitive to low-frequency vibration noise. The most common application is electron microscopy, which supports scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The flat module design simplifies the installation process and reduces the need for continuous maintenance.

产品参数

parameter item	Value/Description
resonant frequency	None (no active resonance peak)
Isolation starting point	0.5 Hz
Isolation rate @ 2.5Hz	90%
Isolation rate @ 5Hz	97%
Isolation rate @ 10Hz	99%
Maximum isolation rate	99.8% @70Hz
Active isolation range	0.5 - 200 Hz
Passive isolation range	≥ 200 Hz
Control degrees of freedom	6 degrees of freedom (X/Y/Z/roll/pitch/yaw)
Design features	Modular ultra-thin design, customized single electron microscope, maintenance free, no compressed air
For more parameters, please contact us for detailed specifications