welding helmet with ST filter,custom welding helmet,welding helmet with respirator filter size:110x90x9mm viewing area:98x40mm

Filter Size: 110×90×9mm

Viewing Area: 98×40mm

Light state: DIN.3 or 4

Dark state: DIN.9-13

Switching time(s): 1/25000

Delay time(s): 0.6

Power supply: Solar cells & lithium batteries

Power on/off: Fully automatic

Arc Sensor: 2 pcs

Welding helmet weight: 420g

Extra functions: Sensitivity adjustment small current welding. Switching set for less than 20Amps TIG welding.

PP

welding helmet with ST filter