Lincoln K3028-1 Black Viking Auto Darkening Welding Helmet 2450 Series
Lincoln Black Viking Auto Darkening Welding Helmet    Part # K3028-1    Model:2450 Series    Lincoln Viking 2450 Series Welding Helmet Features:    VIKING solar-powered auto-darkening helmets are loaded with features, built to demanding specs and packaged with a host of accessories.        * Continuously variable control For shade and sensitivity.            o 9-13 Shade Control - Internal            o Sensitivity Adjustable for different welding environments.            o Delay Adjustable from dark back to light state.      * Light weight - 20 oz (588 g)      * Grind mode Great for weld prep or post-weld clean up activities.      * Magnifying cheater lens capable      * Hard hat adapter capable      * Extra Cover Lenses Enclosed - (2) inside and (5) outside.      * Auto Darkening Welding hood with 4x5 in. cartridge and 3.82 x 2.44 in viewing area      * Infinite control of Shade, Sensitivity and delay      * 4 Arc Sensors    Lincoln Viking 2450 Series Welding Helmet Specifications:    Cartridge Size  4.5in. x 5.25in (114mm x 133mm)  View Window Size  3.82in x 2.44in (97mm x 62mm)  Weight  20.0 oz. (588 g)  Number of Sensors  4  Shade Control  Internal  Variable Welding Shades  DIN 9 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)