welding helmet

Specifications

Brand: richwelder
Origin: China (Mainland)

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Quick answer

welding helmet is a Welding Equipment product. Key specs — Brand: richwelder; Origin: China (Mainland).

Product Description

Main Technical Data： Filter size 110X92X11mm Windows size 90X40mm 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 0.6s to 1s 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