W3/0120 Water Vapor Transmission Rate Tester is based on the cup method, and is professionally applicable to the water vapor transmission rate test of plastic film, composite film, sheets and other materials used in medical and other industry.

By testing the water vapor transmission rate, the technical index of the materials could be controlled to meet the requirements for production.


  • Standard periodically weighing method and Automatic reset before weighing ensures accurate weighing data.
  • 12 distinct or equivalent specimens can be tested individually with independent test results at one operation.
  • Standard air velocity enables constant humidity difference between two sides of test dishes.
  • Wide range and high-precision of automatic temperature and humidity control to support various combinations of non-standard test conditions.
  • Equipped with fast access testing port for temperature and humidity which is convenient to the user.
  • Embedded computer control system provides safer and more reliable data management as well as test operation.
  • Universal RS232 communication port is convenient to the data export and transmission.
  • Reference film or standard weight for fast and accurate calibration.
  • Support Lystem™ Lab Data Sharing System for uniform and systematic data management.