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Plas Labs™ Model 855 Anaerobic Chambers

Use the versatile Plas Lab Model 855 Anaerobic Chamber as a controlled atmosphere or anaerobic chamber in your lab.

Manufacturer: plas labs™  855-AC

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Catalog No. 11-391-106

 Please call Customer Service at 1-800-234-7437 or send an email to for assistance.

Description & Specifications


Voltage 120V
Certifications/Compliance UL, CSA, CE
Depth (English) Interior 28 in.
Depth (Metric) Exterior 89cm
Depth (Metric) Interior 71cm
Depth (English) Exterior 35 in.
Height (English) Exterior 38 in.
Width (English) Exterior 55 in.
For Use With (Application) Manipulation of anaerobic materials at factory
Height (English) Interior 26 in.
Height (Metric) Exterior 97cm
Volume (English) 17.3 cu. ft.
Width (English) Interior 41 in.
Width (Metric) Exterior 140cm
Width (Metric) Interior 104cm
Dimensions (L x W x H) Exterior 35 x 55 x 38 in. (89 x 140 x 97cm)
Length (English) Exterior 35 in.
Length (Metric) Exterior 89cm

Illuminated, rigid acrylic glove box with transfer compartment, for manipulation of anaerobic materials at factory-set temperature of 37°C (98.6°F).

General Features

  • Equipped with two pressure/vacuum diaphragm pumps, catalyst heater/oxygen remover, desiccant train and system of purge valves for adjusting interior atmosphere
  • Thick, clear acrylic walls are essentially impermeable to ambient oxygen
  • Useable on a lab cart or table
  • All controls are illuminated

Work Chamber

  • Consists of clear acrylic hood and white thermoset base which clamp together against a double neoprene gasket; clamps adjust for wear
  • Includes two ground key cock valves for purging (not for use with oxygen)
  • Superstructure contains a fluorescent light system and two pumps: one recirculates chamber atmosphere through the desiccant train; the other is for evacuating and purging the transfer compartment and/or work chamber
Transfer Compartment
  • Equipped with two ground key cock purge valves and vacuum gauge
  • Inner door, when unlocked, is self-opening upon equilibration of internal pressure
  • A leveling tray fits bottom of compartment to assist loading and unloading of liquids
Desiccant Cartridges
  • Three clear polycarbonate desiccant cartridges (supplied) are attached in series externally on back of unit
  • They can be disconnected quickly from their self-sealing hose connections without disturbance to the internal atmosphere
  • Each cartridge contains molecular sieve and silica gel medium
  • Contents can be rejuvenated by heating at 163°C (325°F)