Auto-darkening welding helmet

Shade Adjustment:External Knob

Viewing Area:90X40mm, 98X48mm

Filter size: 110X90X11mm

Ultraviolet ray transmittance rate: 313-365nm<3.4x10-6%

Infrared ray transmittance rate: 780-1300nm<0.0027%

                            1300-2000nm<0.0097%

Dark shade range: DIN9-13

Light shade number: DIN3

Switching time: 1/20000s from bright to dark

Recovery time: 0.1s to 1.0s from dark to bright

Power supply: solar cells

Eye protection: EN379 1/2/1

Face protection: EN175

Auto-power on/off: Yes

Net weight: 460g±10g

Auto-darkening welding helmet