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Variable shade adjustment from DIN 9 to DIN 13.Battery powered auto-darkening filter - uses two 1.5V AAA Alkaline batteries.Ultraviolet Ray Transmittance Rate: 210nm - 313nm < 0.000061%; 313nm - 365nm < 0.000061.Infrared Ray Transmittance Rate: 780nm - 13000nm < 0.003%; 1300nm - 2000nm < 0.02.Full face and front of neck protection.Use for MIG/MAG, TIG & ALL ARC welding.Cartridge Size : 122mm x 85mm x 14mm.Observation Window: 90mm x 40mm.UV/IR Protection: Up to shade DIN 15 AT All Times.Light State: Shade DIN 3(4).Switching Time: Light to Dark: 1/10000s; Delay from Dark to Light: 0.2 ~ 0.4s.Operating Temperature: 23øF to 131øF (-5øC to +55øC).20 minute delay automatic shut-off if no welding occurs.Meets ANSI standards Z87.1-1989.Color: Silver. Auto Darkening Welding Helmet
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