3M Speedglas [TM] Automatic Darkening Welding Mask 9100X 501815 501815 1 pc

Catalog number: 501815 Features: ●An automatic darkening welding mask with an optimal center of gravity design that uses a liquid crystal filter with excellent optical properties. ●The side window ensures the same field of view as when not wearing the mask. ●The aerodynamic exhaust port prevents the liquid crystal filter from fogging up and reduces discomfort caused by stuffiness and heat. ●The liquid crystal filter size is 73 x 107 mm, the largest model in the series. ●The ratchet mechanism headband allows for precise adjustment of the tightness, allowing you to adjust the angle of the welding mask and slide it back and forth. ●Uses a new liquid crystal filter. ●The aerodynamic exhaust port quickly expels exhaled air, preventing filter fogging and reducing discomfort caused by stuffiness and heat. ●The optimal center of gravity design places the center of gravity above the ears, reducing strain on the neck and back. Applications: ●For TIG welding (low current compatible), MIG, MAG, and shielded arc welding. Specifications: ●Before shading: #3 ●After shading: #5, #8, #9-#13 ●Power source: Solar battery + 2 x CR2032 lithium batteries (included) ●Shading speed (sec): 1/10000 ●Type: Wide view ●Power source (V): Solar battery + 2 x CR2032 lithium batteries (included) ●Return speed: 0.04-1.3 seconds ●Applicable temperature range (when in use): -5 to 55°C Set contents/accessories: ●Sweatband (168015) Note: ●This product is not intended for general consumers, so the labels and instructions are not written or included for general consumers. ●When using with a helmet, please purchase the attachment (197135) separately.