EWM 398-017807-00000 Powershield Guardian PROTECT Four built-in arc sensors Internal brightness sensor Field of vision 100 x 50 mm Dark levels 4–8 ‘Grinding mode’ and 9–13 ‘Welding mode’ Optical class 1/1/1/1 Switching speed 1/20,000 s Solar cell, 1 x replaceable CR2450 lithium battery Applications: TIG-DC and TIG pulse (excellent TIG reaction at low current), MIG/MAG, MIG/MAG pulse, plasma cutting/welding, grinding, oxy-fuel welding/cutting Not suitable for laser beam welding Scope of delivery (ready to weld): 1 x Guardian PROTECT welding helmet 5 x front cover lens 2 x inside cover lens 1 x button cell Operating instructions Standards EN 379 Response time light/dark (23 °C) 0.04 ms Brightening time dark/light 0.05 s - 1 s Viewing field 100 mm x 50 mm Power supply Solar cells and batteries, no switching on and off required Usage TIG, MIG/MAG, plasma, grinding, oxy-fuel welding/cutting Weight 500 g Approvals Operating temperature -10 °C - 55 °C Classification to EN 379 1/1/1/1
