welding mask /welding helmet

Technical data

Filter size(mm)             110×90×9

Viewing Area(mm)          98×40

Light state                 DIN.3

Dark state                 DIN.9-13

Switch time(s)              1/25000

Delay time(s)               0.6

Power on/off               Fully Automatic

Power supply              Solar-li,No battery change required

Rate of UV transmittance     313nm<0.00006%  365nm<0.00006%

Rate of IR transmittance      780~1300nm<0.003%    1300~2000nm<0.009%

Eye protection                     EN379 1/2/1

Weight                                 420g