Welichi Auto-Darkening Welding Helmets

The Welichi Auto-Darkening Welding Helmet made of light-weight (450grams) High-Impact resistant plastic/ Polyamide Nylon, effectively protect your eye and face from sparks, spatter,and harmful radiation under normal welding environment. Upon an arc has struck, it automatically change to the dark state and returns to the light state when the welding stop.

• Viewing area: 98 x 43 mm
• Cartridge Size: 110 x 90 x 9 mm
• Light state: DIN 4 (3)
• Variable state: DIN 9 to 13
• UV/IR Protection: up to shade DIN 16 at all time
• Power Supply: Solar cell, no need to change battery
• Operating Temperature: -5º C to +55º C
• Storing Temperature: - 20o C to +70o C
• Switching time: 
  a) Light to Dark - 1/30000s (0.000033 second)
  b) Dark to Light - 0.25 ~ 0.8 (Short - Middle - Long)
• Weight: 450 grams