Made with permanent linear and square root ceramic scales on a white background, high-vacuum O-ring seals, precision bore capillaries, Delrin® plastic and black anodized aluminum parts. Accurate to ±3% of reading or 1mm of scale division, whichever is greater. Gauges include operating instructions but do not include oil or mercury fill. Swivel arrangement permits rigid connection to the vacuum system with the scales vertical at all times.
Delrin is a registered trademark of E. I. du Pont de Nemours and Company
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC