STAHLWERK fully automatic real color welding helmet with 3-in-1 function ST-990 XB, glossy black

The ST-990 XB is a high-quality, fully automatic welding helmet for beginners, advanced users and professionals. The 630 g lightweight 3-in-1 welding helmet meets optical class 1/1/1/1 and is suitable for welding, plasma cutting as well as grinding and cutting work. The desired mode (Weld, Cut, Grind) can be set easily and quickly. The fully automatic welding helmet is equipped with a real color filter cassette to enable true color reproduction when welding. With a response time of 1/35,000 seconds, the filter cassette quickly darkens to the set DIN level. Four high-performance sensors give the darkening signal as soon as the arc occurs. The field of view of the filter cassette is 100 x 93 mm, so that you have an optimal overview of the work area and workpiece at all times. The blackout levels can be adjusted from DIN 5 to DIN 13 depending on the mode. The fade-in delay can be adjusted in three stages. This helmet is suitable for beginners and especially for advanced users and professionals in the field of welding and plasma cutting. It has all the requirements and setting options required for such work. Highest classification in the classes of optical quality, light scattering, light transmission fluctuation & angular dependence of light transmission. The fade-in delay can be adjusted in 3 levels. The delay indicates the time after which the filter cassette returns to the normal brightness level (DIN 4) after the arc goes out. This prevents the eyes from being irritated by the brightness of glowing metal. The filter cassette has a holder for diopter lenses. There is no need to wear glasses under the helmet.