Passive Benchtop Isolation Systems
 PTT600600 Iso-Plate Support Plate with PBH51505 Breadboard (Parts Sold Individually) - Three-Point Stabilization for Breadboards
- Two Sizes:
- 600 mm x 600 mm (23.6" x 23.6")
- 900 mm x 600 mm (35.4" x 23.6")
- Load Capacity, Including Breadboard: 45 - 180 kg (100 - 400 lb)
Iso-Plate Passive Isolation Systems, which are available in two different sizes, provide portability and localized air suspension for small-scale experiments, demonstrations, and vibration-sensitive instrumentation. The breadboard, which must be purchased separately, sits on four rubber pads supported by inflated cushions. A pair of these cushions shares an air reservoir, and the remaining two cushions have independent reservoirs. This arrangement provides stable, three-point dynamics to the system. Air suspension is achieved via three Schrader valves on the front panel, which can be inflated by a standard foot pump.
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 Measured Transmissibility Curve| Specification | Value |
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| Load Capacity, Including Breadboard | 45 - 180 kg (100 - 400 lb) | | Resonant Frequencya | 3.5 Hz | | Transmissibility at Resonancea | 24 dB | | Transmissibility at 10 Hz | -16 dB
(0.15 Transmissibility Ratio) | | Air Pressure Required (Max) | 60 psi (415 kPa) | | Air Connection | Schrader Valve | | Inflation Method | Foot Pump |
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- Supports a Wide Range of Breadboard and Optical Table Sizes
- Use Extra Mounts to Increase Load Capacity
- Supplied as a Set of Four
These Passive Isolation Mounts, which are designed for use with breadboards and small optical tables, are particularly well suited for upgrading a rigid, non-isolating support frame. Place them on a floor or benchtop to provide a quick and easy temporary vibration isolation solution when a permanent system is not deemed necessary. The mounts are sold as a set of four, contain a Schrader valve, and can be inflated using our standard foot pump. Other quantities are available by contacting Technical Support.
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Measured Transmissibility Curve | Item # | PWA074 | PWA075 |
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Load Capacity
(Set of Four) | 24 - 260 kg
(50 - 570 lb) | 135 - 700 kg
(300 - 1540 lb) | | Resonant Frequencya | 3.5 Hz | | Transmissibility at Resonancea | 24 dB | | Transmissibility at 10 Hz | -16 dB (0.15 Transmissibility Ratio) | | Air Pressure Required (Max) | 72 psi (496 kPa) | | Footprint | 75 mm x 75 mm
(2.95" x 2.95") | 105 mm x 105 mm
(4.13" x 4.13") | | Height | 65 mm (2.56") | | Thread on Top of Mount | M10 | M12 |
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 Four AV2/M Feet Supporting an MB2025/M Breadboard (Breadboard Sold Individually) | Specification | Value |
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| Load Capacity (Set of Four) | 44 - 70.4 lb (20 - 32 kg) | | Resonant Frequency | 15 Hz | | Transmissibility at Resonance | 5.6 dB (1.914 Ratio) | | Durometer | 50 | | Dimensions | Ø1.5" x 1.0" (Ø38.1 mm x 25.4 mm) | | Threaded Stud | 1/4"-20 (M6) |
- Ideal for Benchtop Vibration Isolation
- 1/4"-20 (M6) Threaded Stud Allows Fitting to Base of Test Equipment
- Load Capacity (Set of Four): 44 - 70.4 lb (20 - 32 kg)
- Use Extra Feet to Increase Load Capacity
- Supplied as a Set of Four
Thorlabs' Sorbothane Mounting Feet provide a passive isolation solution for workbench-mounted breadboards. They can also be used to isolate vibrationally noisy equipment from the optical table or breadboard surface. The feet do not require inflation, are supplied as a set of four, and have a 1/4"-20 (M6) thread for easy mounting. The ideal load capacity per foot is 11 - 17.6 lb (5 - 8 kg). For heavier loads, simply add more feet. To achieve optimal isolation, use the feet as close to the maximum load as possible.
Note that these feet may have silicon residue on them from their molding process. To remove the residue, wipe the feet down with methylene chloride, taking the appropriate precautions.
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Additional Breadboard Frames and Isolators
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Passive Breadboard Isolators
