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  • Water Vapor Permeability Analyzer
    W301 Intelligent WVTR Tester Water Vapor Permeability Analyzer


    W301 water vapor permeability analyzer is designed to test the water vapor transmission rate (WVTR) of films or sheets materials with the principle of Gravimetric Method.

    Applied to:

    1) Plastic film, composite film, aluminum foil, aluminized film, etc;

    2) Sheet, panel, rubber, ceramics, etc;

    3) Packaging containers, such as: glass, bottle, cans, boxes, etc;

    4) Expanding application: solar panel, LCD film, medical patch, etc.

    Widely used in quality inspection organizations, drug control institutions, research institutes, packaging, thin film, food companies, pharmaceutical enterprises, personal care industry, electronics industry and so on.


     Accurate and reliable data

     With The State Certificate for Gradation of the certified Reference Materials and Licence for Manufacturing Measuring Instruments of the state Reference MaterialsGBW(E)130543/4of Water Vapor Permeability Analyzer approved and issued by General Administration of Quality Supervision, Inspection and Quarantine of the P.R.C. Adopting state reference materials to calibrate and verify the instruments, ensure the accuracy, universality and authority of the test data.

    Simple operation

     Professional software with simple interface, easy to use and convenient to set test process.

     Fully-auto operation, one-button test, judge and stop automatically.

     Curves display of temperature, humidity, weight, permeation in real time. The curves with conceal function, support query function for background data.

     Professional test report can be automatically generated and exported in PDF format.

    Advanced technology

    Temperature control: International advanced electromagnetic program step temperature control technology, auto heating and cooling; no need of external accessories. Precision: 0.1℃.

    Using  international advanced technologies, the accuracy can reach 0.001 g/m2·24h

     Authority management & data trace

            The software is designed according to the requirements of the new GMP Appendix computerized system.

    Need a user name and password to log in to the workstation, and ensure the safety and effectiveness of account and experiment data.

    Users can be classified into different levels of system administrator, instrument administrator, auditor and operator.

    The system administrator can adjust the permissions of various levels, for example, increase and decrease system control items of any level.

    Have audit and trace functions (test tracking, log tracking), every data change is recorded, ensure the security and integrity of test data. 

    Reliable and easy-maintenance instrument

    Sensor over-range automatic protection, prevent damaging important sensors while instrument failure.

    Functional modular design, easy to maintain.


    GB/T 1037-1988GB/T 16928-1997ASTM E96/E96M-2016ASTM D1653-2013TAPPI T464ISO 2528-1995DIN53122-1JIS Z0208-1976YBB00092003-2015



    Test range

    0.110000 g/(m2·24h)

    Test precision

    0.001 g/(m2·24h)

    Temperature range


    Temperature accuracy


    Humidity range

    dry method: ≤10%RH 

    Humidity accuracy


    Test area

    50.24 cm2

    Sample size

    Φ90 mm

    Sample thickness


    Number of test sample

    1 piece



    Power supply

    AC 220V50Hz 

    View More

A total of 1 pages

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