3M Speedglas Welding helmet 100V-QR AND H-701

3M Speedglas Welding helmet 100V-QR AND H-701.
Technical Data
ParameterValue
Dark state8-12  DIN
Viewing area (welding filter)44x93  mm
Switching time, light - dark0.1  ms
Delay (Switching time, dark - light)40 - 250  ms
Number of sensors (arc detection)2  бр.
Battery.  2 x CR2032
Battery lifetime1500  h
UV/ IR Protection12  DIN
ApprovalsEN 175,379,166 
Classification1/2/2/2