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    AI Overview
    Barrier film water vapor permeability analyzers (WVTR testers) measure the rate moisture passes through packaging materials like films, foils, and containers. They use methods such as infrared sensors (ASTM F1249), gravimetric cup methods (ASTM E96), or electrolytic sensors to test high-barrier materials (plastics, aluminum foil) for industries like food and pharmaceuticals. 
    This video explains how a permeation analyzer measures gas or vapor molecules that transmit through the barriers:
    Related video thumbnail
    53s
    CASE Chemistry
    YouTube• Jan 18, 2026
    Key Features and Types 
    • Methodology: Instruments, such as those from GBPI and Labthink, utilize infrared sensors for high sensitivity (0.002 g/m²·24h) or gravimetric methods to track weight changes.
    • Testing Capacity: Many units, like the GBPI Auto W806, feature multi-chamber setups (3–6 stations), allowing simultaneous testing of different samples.
    • Precision Control: These analyzers offer high-precision, automated temperature (±0.1°C) and humidity (±1%RH) regulation.
    • Applications: They test diverse materials, including plastic, aluminum, laminates, and finished packages like bags or bottles. 
    Common Standards 
    • ASTM E96: Standard Test Methods for Water Vapor Transmission of Materials.
    • ASTM F1249: Test Method for Water Vapor Transmission Rate Through Plastic Film and Sheeting Using a Modulated Infrared Sensor.
    • ISO 15106: Plastics—Film and sheeting—Determination of water vapor transmission rate. 
    Commonly Used Analyzers 
    • GBPI W413/W405L/W806: Often used for packaging inspection.
    • Labthink C360M/C390M: Known for gravimetric and sensor-based testing.
    • MOCON AQUATRAN/PERMATRAN: Used for high-sensitivity testing in pharma/food. 
    This video demonstrates the features of the AUTO W806 gravimetric method water vapor permeability analyzer:
    Related video thumbnail
    58s
    GBPI WVTR & OTR
    YouTube• Dec 5, 2023
    • Packaging Lab Equipment High Accuracy Barrier Film Water Vapor ...
      High efficiency Three independent test chambers: With three sensors and each chamber test independently, three same/different samp...
      GBPI
    • High Accuracy Barrier Film Electrolytic Sensor Method Water Vapor ...
      Key Features * High-sensitivity sensor for ultra-high barrier materials in electronics, photovoltaics, displays. * Automatic pneum...
      GBPI
    • Water Vapor Permeability Analyzer Cup Method W301 - GBPI
      W812 Water Vapor Permeability Analyzer(Cup Method) WVTR Testing Equipment For Packaging * Plastic film, composite film, aluminum f...
      GBPI
    Show all
    • Packaging Lab Equipment High Accuracy Barrier Film Water Vapor ...
      High efficiency Three independent test chambers: With three sensors and each chamber test independently, three same/different samp...
      GBPI
    • High Accuracy Barrier Film Electrolytic Sensor Method Water Vapor ...
      Key Features * High-sensitivity sensor for ultra-high barrier materials in electronics, photovoltaics, displays. * Automatic pneum...
      GBPI
    • Water Vapor Permeability Analyzer-W405 L - GBPI
      Infrared method water vapor transmission rate tester W405L is a high-end precision packaging material testing instrument, newly de...
      GBPI
    • Water Vapor Permeability Analyzer Cup Method W301 - GBPI
      W812 Water Vapor Permeability Analyzer(Cup Method) WVTR Testing Equipment For Packaging * Plastic film, composite film, aluminum f...
      GBPI
    • Water Vapor Permeability Analyzer AUTO W809 - GBPI
      Water Vapor Permeability Analyzer -AUTO W809 is designed and manufactured in accordance with ASTM E96, GB/T 1037 standards, and pr...
      GBPI
    • C390M Water Vapor Transmission Rate Tester - Labthink
      Complete Product Line for Various Standards. By studying various test methods of water vapor transmission rate, Labthink manufactu...
      Labthink
    • Permeability Testing Equipment - Labthink
      C360M Water Vapor Transmission Rate Test System C360M aslo Water Vapor Permeability Tester, is designed and manufactured based on ...
      Labthink
    • Water Vapor Permeation Analyzers - WVTR Testing
      WVTR Permeation Analyzers Our MOCON water vapor transmission rate (WVTR) permeation analyzers offer a wide range of WVTR testing c...
      AMETEK MOCON
    • ASTM F1294 Water Vapor Permeability tester for plastic films ...
      The W3/230 Water Vapor Pemeability Tester utilises the sensitive and stable infrared sensor for absolute moisture measurement. Thi...
      Labthink Instruments Co. Ltd.
    • WVTR Transmission Rate Analyzer - Water Vapour ...
      Feb 11, 2025 — water vapor permeability tester QTQ413 WVTR is based on the testing principle of the infrared method moisture analysis sensor usin...
      1m
      YouTube·QUALITEST USA
    • AUTO W806 Gravimetric Method Water Vapor Permeability ...
      Dec 5, 2023 — foreign gbpi Auto w806 gravimetric method water vapor permeability analyzer is developed based on the cup method principle comply ...
      1m
      YouTube·GBPI WVTR & OTR
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    Water Vapor Permeation Analyzers - WVTR Testing


    AMETEK MOCON
    https://www.ametekmocon.com › products › wvtr-perme...
    AMETEK MOCON
    https://www.ametekmocon.com › products › wvtr-perme...
    The ideal analyzer for measuring water vapor transmission levels of breathable materials and non-woven barriers commonly used in the healthcare and construction ...Read more
    Videos
    WVTR Transmission Rate Analyzer - Water Vapour ...
    YouTube · QUALITEST USA
    Feb 11, 2025
    YouTube · QUALITEST USA
    1:32
    WVTR Transmission Rate Analyzer uses infrared method moisture analysis with 0.002 g/m²/24h resolution & tests 3 samples simultaneously.
    QUALITEST USA
    YouTube·
    Feb 12, 2025

    WVTR Transmission Rate Analyzer - Water Vapour ...

    YouTube·QUALITEST USA·Feb 12, 2025
    YouTube
    High Barrier Flexible Packaging Films | Oxygen, Water Vapor ...
    YouTube · CASE Chemistry
    Jan 18, 2026
    YouTube · CASE Chemistry
    13:05
    High barrier films prevent gas, moisture, and UV light permeation, extending shelf life and preserving product quality in food and pharma.
    CASE Chemistry
    YouTube·
    Jan 19, 2026

    High Barrier Flexible Packaging Films | Oxygen, Water Vapor ...

    YouTube·CASE Chemistry·Jan 19, 2026
    YouTube
    Installation and Operation - Water Vapour Permeability Tester ...
    YouTube · QUALITEST USA
    Feb 14, 2025
    YouTube · QUALITEST USA
    8:32
    Install nitrogen & compressed air interfaces, set regulators to 0.3 & 0.1 MPa. Add 30ml water & run test.
    QUALITEST USA
    YouTube·
    Feb 14, 2025

    Installation and Operation - Water Vapour Permeability Tester ...

    YouTube·QUALITEST USA·Feb 14, 2025
    YouTube
    In this video
    • 03:38
      Running a Test
    • 04:49
      Understanding the Test Interface
    • 07:04
      Viewing and Exporting Test Reports
    • 07:41
      Connecting to a Computer
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    Web results

    Water Vapor Permeability Analyzer,WVTR ...


    GBPI
    https://www.gbpitester.com › water-vapor-permeability-...
    GBPI
    https://www.gbpitester.com › water-vapor-permeability-...
    GBPI Water Vapor Permeability Analyzer used to test the water vapor transmission rate (WVTR) of packaging materials, such as plastic film, composite film, ...Read more

    Water Vapor Permeability Tester


    en.labthink.com
    https://en.labthink.com › en-us › products › test-property
    en.labthink.com
    https://en.labthink.com › en-us › products › test-property
    Labthink provides the most comprehensive water vapor permeation analyzers. Our WVTR testers support multiple ASTM/ISO methods for precise moisture ...

    C360H Water Vapor Transmission Rate Test System


    Labthink
    https://www.labthinkinternational.com › en-us › product
    Labthink
    https://www.labthinkinternational.com › en-us › product
    This instrument can be used to measure the water vapor transmission rate of barrier materials with high, medium and lower moisture barrier properties with a ...Read more
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    Water Vapor Permeability Tester WVTR-E3 (Electrolytic ...


    Techlab Systems
    https://techlabsystems.com › Home › Products › Pubtester
    Techlab Systems
    https://techlabsystems.com › Home › Products › Pubtester
    WVTR-E3 water vapor transmission rate meter is manufactured by electrolytic sensor method, used to measure the water vapor transmission rate of barrier ...Read more
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    Professional Steam Permeability Tester - ASTM D1434 ISO ...


    qualtech products industry
    https://www.qualtechproductsindustry.com › products
    qualtech products industry
    https://www.qualtechproductsindustry.com › products
    Instantly and automatically measure the Water Vapor Transmission Rate WVTR of a wide range of samples including, Plastic Films, Foils, Aluminum Foils, Membranes ...Read more

    Water vapor permeability of films


    ProUmid
    https://proumid.com › website › Datenblaetter › A...
    ProUmid
    https://proumid.com › website › Datenblaetter › A...
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    A molecular sieve was placed as an adsorbent inside the dish to adsorb all water molecules passing through the film and to maintain low partial water vapor.Read more

    Water Vapour Permeability Analyzer of Packaging Films


    gbpilab.com
    https://www.gbpilab.com › wvtr-permeation-analyzers
    gbpilab.com
    https://www.gbpilab.com › wvtr-permeation-analyzers
    Water Vapour permeability Analyzer of packaging films W301 is designed for measuring the water vapor transmission rate of barrier materials with high, ...Read more

    ASTM F1294 Water Vapor Permeability tester for plastic ...


    Labthink Instruments Co. Ltd.
    https://www.labthinkinstruments.com › astm-f1294-wat...
    Labthink Instruments Co. Ltd.
    https://www.labthinkinstruments.com › astm-f1294-wat...
    The W3/230 Water Vapor Pemeability Tester utilises the sensitive and stable infrared sensor for absolute moisture measurement. This Water Vapor Permeation ...Read more
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