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Water Vapor Transmission Tester

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Water Vapor Transmission Tester
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Water Vapor Transmission Tester

The Water Vapor Transmission Tester is useful for quality testing. It measures the WVTR - Water Vapor Transmission Rate. Its applications include paper, board, plastics, aluminium, rubber, etc.

This machine is best for R&D, academic research, factories. As well as industrial quality testing.

The WVTR is the mass of water vapor transmitted through a unit area in a unit time. This is under specified conditions of temperature and humidity. Its usually expressed in grams per square meter per day g/(m .d). Above all, WVTR is a key characteristic to specify sheet materials in the packaging industry.

The Water Vapor Transmission Tester complies to ISO standards. Thus, it is suitable for testing quality of your products.


  • Paper
  • Plastic
  • Rubber


  • Options: Additional testing dishes
  • Characteristics: Indicated for sheeted materials with transmission rate above 1g/(m3.d) and thickness up to 3mm
  • Enables preparation of 4 simultaneous sets
  • High efficiency, precision and repeatability
  • All parts in contact with water vapour and moisture are made of corrosion resistant materials
  • Connections: Electrical: 220/240 VAC @ 50 HZ
  • Dimensions: H: 300 mm W: 740 mm D: 270 mm Weight: 21 kg


  • ISO 2528 - Sheet materials — Determination of water vapour transmission rate (WVTR) — Gravimetric (dish) method
  • TAPPI T448 - Water vapor transmission rate of paper and paperboard at 23°C and 50% RH , Test Method T 448 om-17
  • DIN 53122 - Determination of the water vapour transmission rate of plastic film, rubber sheeting, paper, board and other sheet materials by gravimetry

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Water Vapor Transmission Tester
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