Solar Powered Auto Dark GearHead Welding Helmet 41290 MED-TTN-41290

Solar Powered Auto Dark GearHead Welding Helmet Large 3.86 x 2.17 viewing area. Automatically changes from a light to a dark state as arc is struck. Variable shades from DIN 9 to DIN 13 . Outside sensitivity adjustments provide clear vision both prior and during welding . Durable, light weight material is and flame retardant. Ultra-high performance filters protects against UV & IR . Special turnover headband mechanism allows for greater comfort and reduces fatigue. Utilizes high performance solar cells w/ 2 built-in 3V lithium batteries as power back-up. Complies with DIN, ISO, EN safety standards and ANSI Z87.1-2003 standards. Replacement Lenses: Part #41264 . Replacement Headgear: Part #41263. Switching Time: Light to Dark 1/30,000 of a second 41290