The Model Y 200D oxygen permeation analyzer measures the Oxygen Transmission Rate (OTR) of flexible barrier materials, as well as all types of packages. The oxygen permeation analyzer offers a full measuring range of OTR, controlled temperature, and controlled relative humidity, and eliminates the need to buy multiple units. Operated with Windows-based software, the Y200D oxygen permeation analyzer is simple to operate. Simply load the film into the package, select the target temperature and press start. This product is reliable and efficient.