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OTR Permeation Analyzers

Our MOCON oxygen permeation testing analyzers are recognized as the industry-leading solution for over 50 years and are the basis for many global permeability testing standards such as ASTM D3985. The extensive line of OX-TRAN® oxygen permeation analyzers represent decades of technical leadership and continuous innovation in partnership with our customers, distributors and institutions. The family of OX-TRAN analyzers offer a solution for almost any oxygen transmission rate (OTR) testing need from sheet or barrier films to all types of packages, bottles, cartons, and more.


Choose an OTR tester below to learn more about the performance and value each product delivers.


Related Resources:

MOCON OTR Permeation Analyzer Family Brochure 

White Paper: Which ASTM OTR Test Method Is Right for Your Application?
  • OX-TRAN 2/12 Series

    A wide range of detection levels in an affordable package making it a popular choice for labs to help screen materials or provide additional permeation testing capability.

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  • OX-TRAN 2/22 Series - 2-Cell

    The 2/22 continues the legend of MOCON's OX-TRAN being the most trusted OTR analyzers throughout the world. They offer the most versatility across a wide range of detection levels for films, packages and more.

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  • OX-TRAN 2/22 Series - 1-Cell

    Designed for versatility on a budget, this model offers the same great capability and accuracy as the 2-cell model with a lower capacity. It’s perfect for smaller laboratories.

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  • OX-TRAN 2/28 Series

    High throughput analyzer builds on the convenience and reliability of the 2/22 series with double the testing capacity for standard or abbreviated tests. It features the same long life intrinsic Coulox sensor that fully complies with ASTM D3985 by never needing to be calibrated.

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  • OX-TRAN 2/40 Series for Packages

    Responding to the market need for improved whole package testing the 2/40 series is the next evolution in OTR testing for packages helping labs optimize their packages shelf life with less effort and more repeatable results.

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  • OX-TRAN 2/48 Series for Packages

    The OX-TRAN 2/48 analyzers can test the Oxygen Transmission Rate (OTR) for a wide range of packages under controlled environmental conditions, complies with ASTM D3985

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related reading
MOCON OTR Permeation Analyzer Family Brochure





Linearity of the MOCON COULOX Sensor
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