Automatic Oxygen Permeability Tester

Model: AOPT-301

AOPT-301 is based on the coulometric sensor method and is available for the OTR testing of flexible films, sheeting and packages. It can test 3 specimens in one operation with independent results.

Films: Plastic films, aluminum foil, aluminized films, plastic composite films, paper-plastic composite films, coextruded films, aluminum foil composite films and others.

Packages: Plastic, rubber, paper, paper-plastic composite, glass and metal packages, e.g. red wine bottles, blister, various plastic bottles, Coke bottles, peanut oil packages, Tetra Pak materials, vacuum bags, metal three-piece cans, plastic packages for cosmetic, soft tubes for toothpaste, jelly and yogurt cups.

  • Coulometric sensor method design
  • Film and packaging testing
  • One-button test, fully automatic test
  • Multiple test modes available
  • Computer operation
  • Chamber with built-in temperature sensor
  • Internal environment temperature and humidity sensor
  • Wide testing range:0.01-6500 cm3/m2d (Film)
  • Temperature range: 5℃–95℃
  • Humidity range: 0%RH, 35%RH-90%RH
Model AOPT-301
Specimen Chamber 3
Test range Film:

  • 0.01-6500 cm3/m2·d (Standard)
  • 0.07-6,5000 cm3/m2·d (Optional)
  • Resolution: 0.001  cm3/m2·d



  • 0.0001~62 cm3/pkg·d
  • Resolution: 0.00001 cm3/m2·d
Temperature range 5°C ~ 95°C
Temperature accuracy ±0.1°C
Humidity range 0%RH, 35%RH ~ 90%RH, 100%RH
Humidity accuracy ±1%RH
Test area 50cm2
Specimen size Film: size:>=150mm * 94mm; thickness: less 1mm

Package: max size: D 120mm x 400mm

Carrier gas 99.999% Nitrogen
Carrier flow 0 ~ 20 ml/min
Gas interface 1/8”
Dimension 730mm (L) x 590mm (W) x 350mm (H)

Standard Accessories:

Main unit, computer, OX-TRANS software, Temperature controller, Tank regulator, PCIE card, Communication cable, Sample cutter, Vacuum grease.

Optional Accessories:

Package fixtures, Reference film, Vacuum grease, ample cutter, DSM system.