Lincoln K3028-2 Black Viking Auto Darkening Welding Helmet 2450 Series

The Ideal Choice For The Journeyman Fabricator The VIKING 2450, the latest evolution in our highly successful mid-priced auto-darkening helmet line, provides the best optical clarity available in a welding helmet today. The 2450 Series offers an improved headgear for greater comfort and flexibility. Perfect 1/1/1/1 optical clarity rating (EN379) Fastest switching speed in its class Up to 28% larger viewing area versus competitive helmets Designed for long hours of comfortable wear with the new pivot style headgear Replacement Lens Standard or DINs Standard 4 x 5 Black or Graphic Black Cartridge Size 4.5in. x 5.25in (114mm x 133mm) View Window Size 3.82in x 2.44in (97mm x 62mm) Number of Sensors 4 Shade Control Internal Variable Welding Shades DIN 6 to 13 with Grind Sensitivity Control Variable Shade, Delay, and Light Sensitivity Powered Replaceable lithium battery Light to Dark Switching Time 0.00004 sec. (1/25000 sec.) Delay Control (Dark to Light) 0.1 sec. min. - 1.0 sec. max TIG Rating 5 amps Compliance ANSI Z87.1-2003/CSA Z94.3 Operating Temperature 14 - 131 deg. F (-10-55 deg. C) Storage Temperature -4 - 158 deg. F (-20-70 deg. C) Weight 20.0 oz. (567 g)