Auto darkening welding helmet.Lower price,higher quality and high effective to protect users.

Auto darkening welding helmets, 

Filter size(mm)110*92*11mm
View windows size(mm)90*45mm/91*40mm/98*40mm/98*45mm.
Ultraviolet ray transmittance rate313365nm<3.4*10-6%
Infrared ray transmittance rate7801300nm<0.0027%
13002000nm<0.0097%
Dark shade rangeDIN913 varibble
Light shade numberDIN3
Working temperature-10+60
Swithing time1/25000s from bright to dark
Holding time>200ms
Recovery time0.6s to 1s frome dark to bright
Auto- power on/of:yes
Eye protectionEn3791/2/1
Face protection En175
Power supplysolar cell+lithium batteries
Net weight(g)460g±10g
Suitable weldingsuitable for any welding