PERMATRAN-W® Model 100K Is the new permeation test system for measuring high transmission water vapor in moisture barriers. Ideal system for measuring water vapor in such material as; non-wovens, fabrics, textiles, breathable membranes, plastic films, and paper. The Permatran-W Model 100K permits testing of up to six samples simultaneously in a single system module. Other features of this computer controlled system include; sample test time in minutes, precise temperature measurement control, automatic flow and barometric pressure correction.