الوصف

Solar Powered Auto-Darkening Welding Helmet With CE and SGS approval Technicial specifications: 1) Viewing area: *0 x *0mm 2) Catridge dimensions: **0 x *0 x 9mm 3) Light state: shade DIN4 4) Darken state: from DIN*-Din*3 5) Switching time: <0.***1s 6) Rate of UV: **3nm<0.***2%, **5nm<0.***2% 7) Rate of IR: *******0nm<0.**2%, ********0nm<0.**2% 8) Operating temperature: *5 ~ *5oC 9) Storing temperature: **0 ~ *0oC