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OX2/231 Oxygen Permeability Tester Home Products


OX2/231 is based on the equal pressure method, and is professional applicable to the determination of oxygen transmission rate of film and package products, including plastic films, composite films, sheeting, plastic bottles, plastic bags and other packages.


  • Tests 3 equivalent specimens at one operation and exports test results in average value
  • 2 test modes for both films and packages, and accessories for package test are available for customization
  • Equipped with constant temperature and humidity control devices (optional parts) to meet different test requirements
  • Reference film for fast calibration to ensure accurate and universal test data
  • The instrument is controlled by micro-computer with LCD, menu interface and PVC operating panel, which could conveniently export test data, test results and test curves
  • Test data could be automatically and safely saved by the function of power failure protection
  • Micro-printer and standard RS232 port for convenient data output and transfer
  • Supports LystemTM Lab Data Sharing System for uniform management of test results and test reports



Specifications Film Test Package Test (customization available)
Test Range 0.01~1000 cm3/m2·d (standard)
0.1~10,000 cm3/m2·d (optional)
0.0001~10 cm3/pkg·d (standard)
Number of Specimens 1~3
Resolution 0.01 cm3/m2·d 0.0001 cm3/pkg·d
Temperature Range 15°C~55°C ±1.5°C
(Constant Temperature Control Device is optional)
Test Gas O2 and air (outside of supply scope)
Test Area 50 cm2 /
Thickness ≤3 mm (customization is available for other thickness) /
Specimen Size 108 mm x 108 mm
Test in 100% O2: Specimen should be smaller than Ф120 mm and lower than 360 mm
Test in the Air: No size limitation
Bottles: the inner diameter should be bigger than Ф8 mm, outer diameter should be smaller than Ф42 mm (Standard)
Bags or Boxes: Supported by accessories
Carrier Gas High purity nitrogen with more than 99.999% concentration
(outside of supply scope)
Gas Supply Pressure ≥ 0.28 MPa
Port Size 1/8 inch copper tubing
Instrument Dimension 670 mm (L) x 410 mm (W) x 310 mm (H) 670 mm (L) x 410 mm (W) x 630 mm (H)
Power Supply 220VAC 50Hz / 120VAC 60Hz
Net Weight 48 kg 50 kg