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  • Water Vapor Transmission Tester - China

    price: 1.00 Dollar US$

    The water vapor transmission analyzer can measure the water vapor transmission rate of various materials under different kinds of restricted conditions.

    The test conditions can simulate the actual application environment.

    The test results are featured with accuracy and reproducibility.

    Operating Principle Two independent gas streams are maintained on the two sides of a sample at the desired temperature.

    Humidity and gas flow rates are measured.

    The transmission rate through the sample is computed using mass balance.

    Application

    The PMI Water Vapor Transmission Analyzer is capable of measuring water vapor transmission through porous media such as textiles, leathers, man made materials, membranes, nonwovens, and fabrics used in numerous high technology components and consumer products manufactured by a variety of industries.

    The instrument has the unique ability to measure vapor transmission rate over a wide range of humidity, temperature, and pressure under gradients of humidity, temperature, and pressure encountered in application environments.

    Features · Humidity on any side can be maintained between 5 and 95%

    · Any desired pressure gradient can be maintained.

    · Any desired test temperature can be achieved.

    · Simultaneous pressure and humidity gradients can be maintained

    · Flat samples in a wide range of sizes can be accommodated

    · Completely automated test implementation, data acquisition, data store and data simplification.

    Technical Parameters

    Items Parameters

    Humidity (φ) measurement Range: 5 - 95%

    Accuracy: ± 2%

    Differential pressure transducers Range: 4 torr (2 mm Hg)

    Accuracy: 0.015%

    Mass Flow Transducers Range: 5 L/min

    Accuracy: 1%

    Humidity (φ) control Range: 0 - 100%

    Accuracy: ± 1.5% (φ = 0.5) ± 5% (high & low φ)

    Temperature Range: RT - 100 °C

    Control: ± 2%

    Accuracy: 0.4 °C (low φ) - 0.8 °C (high φ) at 100 °C

    Mass Flow Controller Range: 2000 cc/min

    Accuracy: 1%


    Company Contact:


    • Phone: +862167800179

    • Address: No.258 Banting Road, Songjiang District Gu Dai Road, Shanghai, SHANGHIA , Shanghai , China

    • Email: Email


    Published date: March 8, 2018

    • Business Description: Qinsun Instruments Co., Ltd was founded in 2010, comprised of many experienced engineers and designers standing in the forefront of the industry.

      Qinsun specialize in the research and development of high quality lab instrument for textile testing industry.

      Our head office in Shanghai and we provide high quality testing instrument and comprehensive service for textile factory, academic research institute and textile lab worldwide.

      Our Products:

      - multi finger scratch tester

      - electronic crockmeter rubbing fastness tester

      - double cylinder launder ometer

      - color fastness tester of textiles to perspiration

      - scorch sublimation tester for color fastness to heat

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