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They have a closed pneumatic isolation system that effectively isolates the optical table from floor vibrations throughout the 10 to 50 Hz frequency range. Most sources of vibrations in a lab are within this frequency range, thus these supports are suitable for use in many labs.


The closed pneumatic isolation system can be inflated with the simple air pump or some other source of compressed air. These isolators do not require a constant source of compressed air to maintain isolation. If the pneumatic isolation system is depressurized, the optical table will remain securely supported on and slightly isolated by the reinforced rubber air mount of the optical table supports. Alternatively, if the air chamber is overinflated, vertical stops will prevent the optical table from rising above the maximum designed range. If the table is at either end of the range of motion, the optical table supports will no longer isolate the optical table from floor vibrations.