Min. Order:
1 Set
Price:
US$ 1
Place of origin:
China
humidity side, and the other side of specimen, lower chamber is purged by a stream of dry gas, due to the effect of water concentration gradient at two sides of the specimen, water molecules will permeate through the specimen into the dry gas side, penetrated water molecules will be carried to the relative humidity sensor which generates the proportional signal, so water vapor transmission rate w
[Related Keywords : Water Vapor Permeation, Weighing Method, Aluminized Foil, ASTM]