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VIKING™ 1740 Series

VIKING™ 1740 Series
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AUTO-DARKENING WELDING HELMETS Shown: VIKING™ 1740 BLACK K3282-2 Shown: VIKING™ 1740 ReCode™ K3495-2 Quality • Perfect 1/1/1/1 Optical Clarity • 1 / 25,000 sec. Switching Time (Inactive to Active) • 2 Year Warranty Control • Variable 9-13 Shade, Sensitivity & Delay Control • Weld & Grind Mode • User Replaceable AAA Batteries Publication E14.XXX | Issue Date 07/17 © Lincoln Global Inc. All Rights Reserved www.lincolnelectric.com/helmets Safety • ANSI Z87.1-2010 & CSA Z94.3 Compliant • Auto On / Off Functionality • Test Mechanism & LED Low Battery Indicator Process » Stick, TIG, Pulsed TIG, MIG, Pulsed MIG, Flux

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Optical Clarity - Why It's Important Optical Clarity The NEW VIKING™ 1740 Series auto-darkening helmets have a perfect EN379 - 1/1/1/1 optical clarity rating. This test measures the performance of the auto-darkening filter on four separate optical categories. Each Category is graded on a scale of 1-3, with a score of 1 being the best and 3 being the worst. Categories 1. Optical Class - Distortion 2. Diffusion of Light Class - Blurriness 3. Variations of Luminous Transmittance - Shade Consistency & Accuracy 4. Angle Dependence of Luminous Transmittance Class - Shade Consistency & Accuracy at...

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