auto-dakening welding helmet

Detailed Product Description

Filter size(mm)：110*92*11mm

View windows size(mm)：90*40mm or 98*40mm

Ultraviolet ray transmittance rate：313—365nm<3.4*10^-6%

Infrated ray transmittance rate：780—1300nm<0.0027%

1300—2000nm<0.0097%

Dark shade range：DIN9—13 varibble

Light shade number：DIN3

Working temperature：-10℃—+60℃

Swithing time：1/20000s from bright to dark

Holding time：>200ms

Recovery time：0.6s to 1s frome dark to bright

Auto- power on/of：yes

Eye protection：En3791/2/1

Face protection：En175

Power supply：solar cell+lithium batteries

Net weight(g)：460g±10g

Suitable welding：suitable for any welding