File name: Welding Lens Shade Chart Pdf
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As a rule of thumb, start with a shade that is too dark to see the weld zone. Then go to a lighter shade which gives sufficient view of the weld zone without going below the minimum. Welding Helmet Cover - Outside Lens Cover. As a rule of thumb, start with a shade that is too dark to see the weld zone. Then go to a lighter shade which gives sufficient view of the weld zone without going below the minimum. During oxygen gas welding or cutting where the torch produces a high yellow light, it is desirable to use a filter lens that absorbs the yellow or sodium line in the visible light (spectrum) of the operation. Filter Lenses for Gas Welding and Oxygen Cutting Operations 1 * Values apply where the actual arc is clearly seen.
