20years professional factory forced supplied best fullface powered air respirator welding helmet air purifying
Optical Class :1/1/1/1
LCD Viewing Area :75×112mm(2.95×4.41in.)
Arc Sensors: 4
Light State Shade: DIN 3
Grind State: DIN 3
Cutting Shades: 4 to 8
Variable Welding Shades :9 to 12 / 13 to 15
Shade Control :Variable Shade, Digital Display Control
Power On/Off :Auto-ON, Auto-OFF
Sensitivity Control Variable 1 to 10, Digital Display Control
UV/IR Protection Up to Shade DIN16 at all times
Power Supply Solar cell with battery assist Battery 2 x CR2450 lithium batteries
Light to Dark Switching Time 0.00004 sec. (1/25,000 sec.)
Dark to Light Switching Time Variable 0 to 10,Digital Display Control (0.1 sec.to 1.0 sec.)
Grinding Yes
Operating Temperature 14°F~ 131°F (-10℃~55℃)
Storage Temperature -4°F~158°F (-20℃~70°℃)