All performance specifications stated, including but not limited to, pump-down rates and vacuum levels make the following assumptions:
The Vacuum Chamber is empty.
The Vacuum Chamber and other system components are clean and dry.
The System is being operated at Sea Level
The ambient temperature is 18°C +/- 2°C
All system components, including those not supplied by Abbess, are appropriate for the system and are functioning properly.
The specifications are not impacted by the properties of your product.
If you require performance specifications for conditions other than those listed above, it is vital that you make this known to Abbess Instruments in writing. Generally Abbess Instruments recommends choosing chamber and pumping system qualities capable of achieving a theoretical vacuum at least an order of magnitude better than the desired operational vacuum.
It is to be noted that a specification described as '10-5 Torr' is a range, and means the clean, empty, dry chamber system is capable of reaching some undetermined value between 1.0x10-5 and 9.9x10-5 Torr: The (clean, empty, dry) chamber is deemed compliant whether its As-Built base vacuum is 1.0x10-5 Torr or 9.9x10-5 Torr. It does not mean that the chamber is guaranteed to reach every level within that range.
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Round or Cylindrical Chamber are often an ideal solution for chamber environments, the shape is strong and sensible as a container geometry, economical to produce and lends itself to mixing and batching applications. Clear acrylics are ideal for test and process applications where user observation of the item or process under vacuum is crucial.
bench top sized vacuum chamber is designed to be a rugged production or
testing unit. Some of our customers find this to be a practical size
(11inch dia by 6, 12 or 20inch deep) for use in vacuum degassing small
batches of resins, epoxies,other liquids, or filling molds and other
containers under vacuum.
The chamber shown was custom designed and fabricated working together with our customers to meet their demanding process requirements. The piece is comprised of the clear acrylic view cylinder with Teflon coated aluminum plates and all stainless steel fittings.
The Vacuum System allows items placed inside to be contained in a vacuum environment to facilitate customer process production requirements. The entire system can be controlled manually, by starting/stopping the pump(s) and opening/closing valves.
For research, testing or production. Some of our customers find this to be a practical size for use in vacuum degassing of liquids, plastics resins, and blood products. This chamber is also used for vacuum drying samples and other material processing where temperature and time are critical.