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
Suitable for a wide range of applications
Suitable to be worn with disposable respirators