Auto-darkening welding helmet, which switches from a light to dark state when welding activity starts.

• Wheel ratchet size adjustment for easy fitting
• Solar cell power with two built-in lithium back-up batteries and a working time of over 5000 hours
• Auto-darkening, switches from light to dark when the welding process starts
• Suitable for a wide range of applications
• Suitable to be worn with disposable respirators
• Retail box which aids presentation for retail sales

Response time from light to dark state is 0,04 milliseconds; return from dark to clear state in 0,03 to 0,04 second.

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.

Standard: EN 166 1 S, EN 175 F, EN 379 4 / 9-13 ; 1/1/1/2.