3m Speedglas Sl Welding Helmets , Super Light Adf Helmet

the 3m speedglas sl was designed to be lightweight and is excellent for tig welding applications at only 13 oz including filter it s 25 lighter than our current auto darkening helmets head suspension increases adjustability adf shades 8 12 with 4 sensitivity levels , super light helmet approximately ounces any other narrow making ideal in very tight spaces motion sensor automatically turns on when you pick up this quick tasks made from strong non absorbent materials that help reduce weight variable viewing area 1 68 43mm x 3 57 91mm 2 sensors rating amp 500 hr battery life switching speed 0 15ms meets ansi z87 2010 standards how your close vision best welder can may need use a cheater lens or magnifying not sure which choose check out technical focus paper written by arc zone founder jim watson choosing goggles pdf we think will find interesting informative