Guardian® active isolation workstations deliver sub-hertz vibration isolation (six degrees of freedom). The Guardian platform dynamically responds to vibrations in the environment enabling sub-hertz vibration isolation starting at 0.5 Hz and reaching 20 dB attenuation (10X) at 1.5 Hz. They feature 4.3 in. thick damped PG breadboards, a rigid fully welded frame with casters, integrated active and passive isolation modules, ultra-low noise electronics and advanced DSP control system, and a user friendly computer interface.
Provides sub-hertz vibration isolation in 6 DOF starting at 0.5 Hz
Reaches 20 dB attenuation (10X) at 1.5 Hz
Active and passive isolation elements guard your results even during a power outage
Integrated all-in-one solution with minimal installation and maintenance effort
Learn about the features, performance, and compatible accessories of our innovative Guardian® Active Isolation Workstation.
Vibration compensation with 6 degrees of freedom
Patented modal damped optical breadboard top
Fully welded frame for superior rigidity
Active isolation demonstrations
Active Isolation Technology Enables Super Low Frequency Isolation
The Guardian workstation includes two active isolation modules each containing three sensors and three actuators to actively sense and compensate for vibration in six degrees of freedom in real-time. It not only removes the resonance response inherent to the passive system, but provides up to 34 dB (50 times) additional isolation. Isolation starts at 0.5 Hz and reaches 20 dB (10 times) at 1.5 Hz. It vastly outperforms not only the passive spring-based systems, but also the best pneumatic workstations.
Guardian Typical Settling Time
Guardian can reduce the platform’s reaction to the disturbances acting directly on the platform, whereas passive and a few active systems can reduce only the vibration coming from the floor through the isolators. This is illustrated by the test results in the graph. The graphs represent the time histories of acceleration caused by a short (about 0.01 s) triangular pulse with maximum force about 1.5 lbs. created by an instrumented hammer near the corner of the breadboard (6 in. from edges) and measured by the accelerometer placed nearby. The settling time after this disturbance is negligible with active controls, while it can be of the order of seconds with passive isolation acting alone.
Powerful Control Capability
The Guardian Controller features multiple essential functions on the front panel, as well as real time control display for six axes. A full set of control functions is available using software suite provided with the product to achieve even more precise vibration control or 24/7 vibration data monitoring and recording. The sub-hertz, ultra-low noise electronics, and advanced DSP control system inside the controller provide the most accurate vibration compensation for sensitive applications.
Robust Passive Isolation with Easy Leveling Mechanism
One special feature about Guardian technology is that it combines the powerful active modules with Newport's patented VIBe™ passive mechanical isolator design to achieve the best performance across a wide frequency range. The improved constant natural frequency VIBe isolators start passive isolation from 8 Hz and provide a solid and quiet foundation for the active modules to further reduce the vibration amplitudes below 50 Hz. The carefully designed leveling mechanism in the modules allows users to easily level their system prior to use.
Superior Rigidity with Integrated Frame
The Guardian™ workstation delivers superior rigidity with its all-in-one design. Carefully designed to provide the maximum mechanical stability, the fully welded frame system firmly supports the active modules as well as the tabletop. It also provides ergonomic workstation environment for the users to perform their applications.
Maximized Precision with Modal Damped Tabletop
In addition to active and passive vibration isolation, a well damped working surface reduces resonances from top down, which helps tremendously for any high precision applications. Guardian workstation embraces modal damping, another world innovation for the most critical applications. Precision Grade modal damped optical breadboard serves as tabletop for Guardian™ workstation, bringing damping performance to the next level. The patented modal dampers are installed along the entire perimeter of the tabletop, providing effective and broadband damping for your delicate instruments.
Effortless Installation and Maintenance
Guardian workstation features specially designed packaging that allows users to simply roll their system off into the lab. Every component including tabletop is pre-installed on the frame.
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