www.safetyandhealthmagazine.com/articles/10571-auto-darkening-welding-helmets
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Auto-darkening welding helmets

June 23, 2014

Backed by a three-year warranty, the new generation of VIKING auto-darkening welding helmets provide better optical quality and durability. The auto-darkening cartridges in the VIKING-2 series offer a top EN 379-1/1/1/1 optical clarity rating. Each category is graded on a scale of 1-3, with a score of 1 representing the highest optical quality rating.

Lincoln Electric

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