Welding helmets auto-dark color=edge The optimal helmets for professional welders; SHELL AND HEADGEAR FEATURES: Lightweight (approximately 1 lb.), high impact resistant nylon shell, quick-fit, 5-point adjustable geared headband with sweatband mechanism greatly reudces head/neck strain and ge neral fatigue caused by repeated lowering of the helmet during day-to-day welding operations. AUTO-DARKENING FILTER (ADF) FEATURES: - 9.144 sq. in. ( 3.81 inch x 2.4 inches ) large viewing area; advanced optical technology provides ultra-high viewing definition of ar c and puddle; DIN 5 to 8 cutting, low current welding; adjustable shades 5 to 9 for TIG process low intensity, oxyacetylene welding - 9 to 13 variable shade selection (TIG operable to 5 amps); four optical arc sensors optimize arc detectionand reduce the risk of blocked sensors during out-of-position welding detection; 1/1/1/1 optical clarity rating; UV/IR coating to reduce scratching and discoloration of the lens; 1/20,000 per second switching speed; cheater/magnifying lens compatible des ign. ADDITIONAL FEATURES: - internal shade selector with grind option improves chances of accidental setting changes. Internal step-less controls include both sensitivity (high-low) and delay (min.-max.) adjustments. Solar cells with 2-each replaceable 3V lithium batteries and automatic on/off technology. Meets all related CE standards (DIN and ISO), EN166, EN175, EN379, ANSI Z87.1, CSA Z94.3, AS/NZS1337 and AS/NZS1338 safety standards.
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