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  • Water Vapor Permeability Testing Machine Astm Weighting Infrared Method - China

    price: 100.00 Dollar US$

    Water Vapor Permeability Testing Machine ASTM Weighting Method/ Infrared Method Product Details Application:

    WVTR-398B is based on the humidity sensor detection method and available for the water vapor permeability test of heat exchange membranes, nonwoven fabrics and flexible barrier materials.

    Water Vapor Permeability Testing Machine ASTM Weighting Method/ Infrared Method Features: features Weighing method

    Dual weighing modules, patent technology

    18 specimens, continuously test

    One-button test, test automatically in whole process

    Multiple test modes optional

    Temperature and humidity auto control

    Data curves display

    Computer control

    Environment temperature and humidity sensor inside

    Unit based on embedded system, 24bit Δ-Σ AD

    Traceable reference film calibration

    Supports DSM system (DSM, lab data management system) Principles:

    The specimen is clamped between the upper and lower chamber, the upper chamber is high humidity side, and the other side of specimen, lower chamber is purged by a stream of dry gas, due to the effect of water concentration gradient at two sides of the specimen, water molecules will permeate through the specimen into the dry gas side, penetrated water molecules will be carried to the relative humidity sensor which generates the proportional signal, so water vapor transmission rate will be obtained by calculating the sensor signal.


    Company Contact:


    • Phone: 18765316730

    • Address: Meili Road, Jinan , Shandong , China

    • Email: Email


    Published date: September 9, 2019

    • Business Description: SYSTESTER Instruments Co., Ltd is a leading manufacturer of package testing instruments and have over 20 years experience.

      SYSTESTER is a professional provider of integrated package testing solutions and instruments of food and pharmaceutical industries, dedicates to cutting-edge technology research and development.

      SYSTESTER assists you to solve all flexible packaging problems and makes production profit maximization depending on the creative thought and technical abilities.

      SYSTESTER is a modern company with family kind culture, passion, innovation concept and scientific management.

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