Vacuum Viewports – Differentially Pumped Zinc Sulfide Vacuum Viewports
Differentially Pumped Viewports come with view diameters up to 1.88 inches, and are bakeable to 200˚C. Viewports are AR Coated Zinc Sulfide (Cleartran™) transmission range 8-12 microns. Viewports or vacuum windows can be specified with either 2.75” CF or 4.5 CF flanges.