Sperian Optrel e640

Technical data

Part No 1006.400 / 1006.410 Type description Welding helmet suppliers with automatic shade cartridge; manually adjustable 4/10 or 4/11 by a switch Cartridge dimensions 90 x 110 x 7mm / 3,54 x 4,33 x 0,28" 38 x 98mm / 1,50 x 3,86” (Viewing area) Manufacturer of power supply suppliers of solar cells, no battery changes Manufacturers of sensors two above the eyes variable detection angle with movable sensor bar Light transmittance ultraviolet/infrared protection maximum at any shade setting visible range activated shade level DIN10 and DIN11 visible range not activated shade level 4 Switching time light to dark 0,0004 s (0,4 ms) at room temperature 0,0002 s (0,2 ms) at 55°C / 131°F dark to light 0,2 - 0,3 s Classification Optical class = 1 Scattered light = 1 Homogeneity = 2 Water-resistant waterproof according to IP 67 (testing time 30 minutes, test depth 1 m / 3,28’) Shape stability welding mask up to 220°C / 428°F front cover lens up to 137°C / 279°F Protection for ADF reflection free front cover lens and inside cover lens Mask material PA6.6 Mask colour Part No 1006.400 = black uncoated / Part No 1006.410 = Sand Operating temperature -10°C to + 70°C / 14°F to 158°F Storage temperature -20°C to + 80°C / -4°F to 176°F Weight Helmet cpl. 460g / 16,226 oz Weight Cartridge cpl. 106g / 3,739 oz Application ranges all electric arc welding processes Electrode Welding (Stick Welding, SMAW) / MIG / MAG (GMAW) / GMAW High melting rate process / Flux Cored Wire Welding / TIG welding (GTAW) prohibited for oxy gas and laser welder! Scope of delivery Welding helmet, instruction manual and two front cover lenses Standards CE, ECS, ANSI, CSA, AS/NZS, GOST-R Warranty 2 years from date of sales for manufacturing and material defects Subject to change without prior notice Status 2008-09-22 SPERIAN Welding Protection AG, Switzerland