Auto-darkening optical filter B313

for welding masks

The auto-Darkening Filter offer advanced technology for safer and more comfortable welding, Progressive multi coating filetr lens to protect users from visible or invisible (UV & IR) light at all time. Specifications Welding protection : For Electrode / MAG / MIG welding applications Darkness range : Shade 9 ~ 12(13) Light state : Shade 3 Delay time : 0.1 ~ 0.6 seconds (auto adjustment) UV / IR protection : Up to DIN15 - ANSI Z87.1 Cartridge size : 53mm × 108mm × 9.3mm Viewing size : 92.5mm × 25mm Switching speed : 1/1000 seconds Power source : Solar power + 3V CR2032 × 2pcs Operating temperature : -10°C ~ + 60°C Warranty : 12 months