Lincoln Viking 1840 Series Black Auto Darkening Welding Helmet 4C Lens (K3023-4)

The VIKING 1840, the most economical auto darkening helmet in its class, provides the best optical clarity available in a welding helmet today. External control allows for quick and easy shade changes. The 1840 Series offers an improved headgear for greater comfort and optimal fit.

The NEW VIKING auto-darkening cartridges offer a 1/1/1/1 optical clarity rating. The ratings correspond to four very important optical categories. Each category is graded on a scale of 1-3, with a score of 1 being the best and 3 being the lowest quality. The VIKING upgraded line offers a perfect 1/1/1/1 clarity rating.

TOP LEVEL QUALITY ON FOUR PARAMETERS:
•• Optical Class - A clear crisp image to help view the weld puddle.
•• Diffusion of Light Class - Absence of hazing for a clear view of the welding arc.
•• Variations in Luminous Transmittance - Shade consistency across the lens.
•• Angle Dependence of Luminous Transmittance Class - Cartridge retains shading when viewed at an angle.

Features:
• Perfect 1/1/1/1 optical clarity rating (EN379)
• Standard 4.33 x 3.54 in. cartridge size, 3.78" x 1.85" view size
• 16% larger viewing area than its competitor
• New pivot style head gear
• Convenient external shade control
• Magnifying Cheater lens capable
• Hard Hat Adapter capable
• Lightweight and compact

Includes:
• Extra Cover Lenses Enclosed - (2) inside and (5) outside.
• Sport-Pak helmet bag includes Tribal bandana
• Decal sheet included