W3/031 is professionally applicable to the water vapor transmission rate test of film specimens. It is equipped with three individual test dishes and the testing process is completely automatic and conforms to international standards.
W3/030 is based on the cup method and designed for water vapor transmission rate measurement of plastic films, laminated films, sheets as well as various materials used in medical and construction industries.
W3/060 is based on cup method to measure water vapor transmission rate of plastic films, foils and finished packages. It has Six independent testing cells and can be easily connected with 9 satellite systems.
W3/0120 is based on cup method to measure water vapor transmission rate of plastic films, foils and finished packages. It has 12 independent testing cells and conforms to ASTM, ISO international standards.