Lincoln Viking 1740 Ignition K4375-2



There’s no shortage of features on our economically priced 1740 series auto-darkening welding helmet. Available in matte black & graphic finish, the helmet has the highest optical rating available in the marketplace, has both a weld & grind mode and comes with a two year parts and labor warranty.

  • Perfect 1/1/1/1 Optical Clarity
  • Variable 9-13 Shade, Sensitivity and Delay Control
  • Weld & Grind Mode
  • Hard hat and magnifying cheater lens compatible
  • User replaceable AAA batteries
Cartridge Size4.33in. x 3.54in. (110mm x 90mm)
View Window Size3.78in x 1.67in (96mm x 42.5mm)
Number of Sensors2
Shade ControlInternal
Variable Welding ShadesDIN 9 to 13 with Grind
Sensitivity ControlVariable Shade, Delay, and Light Sensitivity
Light to Dark Switching Time0.00004 sec. (1/25000 sec.)
Delay Control (Dark to Light)0.1 sec. min. – 1.0 sec. max
TIG Rating5 amps
ComplianceCompliance: ANSI Z87.1-2010/CSA Z94.3
Operating Temperature14 – 131 deg. F (-10-55 deg. C)
Storage Temperature-4 – 158 deg. F (-20-70 deg. C)
Weight18.6 oz (528 g)