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Anaerobic Chamber

The 855-AC (Anaerobic Chamber) has been designed for manually controlling your atmosphere when working with Oxygen sensitive materials. It is perfect for working in situations requiring low levels of Oxygen during critical isolation of the operator or your research materials. Any inert gas may be used.

Its main advantage is minimizing the risk of Oxygen entry into the main working chamber. If trace amounts of Oxygen happen to enter the main chamber, the Catalyst Heater reduces it to water vapor. The drying train can then be activated to remove any excess water vapor.

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    Plas-Labs is the world leader in acrylic containment—glove boxes, powder containment, low O2, Low RH, animal restraint and containment, vented balance enclosures, and isolators.

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    After you buy, you shouldn’t have to wait weeks for your gear to arrive. We ship fast so you can keep your cleanroom project on schedule.

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    We guarantee you’ll get the right instrument for your cleanroom. If it isn’t exactly right, we’ll swap it out and find the right choice. If for some reason we don’t carry what you need, we’ll point you to a source that does (we’ll never sell you an alternative that doesn’t do exactly what you need it to do).


    The 855-AC is offered as a complete system ready to use. There are no other components required. All you need to add are your work samples and gas of choice. This glove box has a capacity of 348 culture plates when using our suspended shelf accessory. Please refer to the Accessories Section (800-SHELF-1).

    The Basic Chemical Reaction.

    The internal atmosphere is drawn off the floor of the glove box and is pushed up through the heating elements and the warm Palladium (Pd) pellets. The Hydrogen in the special gas mixture then reacts with trace amounts of Oxygen to create water vapor. The excess water vapor is then absorbed by the Molecular Sieve™ in the three drying train canisters. The canisters are re-chargeable.


    • Standard 24 month warranty (not gloves or consumables.)

    • No installation.  Comes ready to use. 

    • Over 50 years of anaerobic chamber manufacturing.

    • Completely sealed design requires lower gas consumptions, lower operating costs. 

    • Formed one-piece clear plastic top section with “Easy Clean” corners.

    • Matched Die-Molded white thermoset bottom with “EasyClean” corners.

    • Two vacuum diaphragm pumps, one each for the drying train and the transfer chamber (purging).

    • Drying train includes three (3) clear plastic canisters filled with Molecular Sieve.

    • All controls are illuminated.

    • “Bright Light” system (40,000 hour lamp guarantee).

    • White ambidextrous Hypalon gloves.

    • All clamps are adjustable to compensate for wear.

    • Adjustable vacuum gauge on transfer chamber.

    • Four (4) ground key-cock valves for purging.

    • Transfer chamber is 12” (305mm) long x 11” (280mm) I.D.

    • Electrical outlet (socket) strip (UL, CSA, & CE).

    • Self sealing quick disconnects allow changing of the drying train without disturbing the internal atmosphere.

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