Auto-darkening welding helmet, which switches from a light to dark state when welding activity starts. Light state is din 4 dark state is adjustable from din 9 to din 13 using the external knob. Response time from light to dark state is 0.04 Milliseconds return from dark to clear state in 0.03-0.04 Sec. Power is supplied by solar cells with 2 built-in lithium batteries to offer power back-up for longer service life. No need for replacement batteries. Features and benefits auto-darkening, switches from light to dark when the welding process starts solar cell power with two built-in lithium back-up batteries and a working time of over 5000 hours superior optical quality lcd filter wheel ratchet size adjustment for easy fitting suitable to be worn with disposable respirators suitable for a wide range of applications ce certified retail box which aids presentation for retail sales specifications colour: black fit: r
Auto-darkening welding helmet, which switches from a light to dark state when welding activity starts. Light state is din 4 dark state is adjustable from
