Auto Darkening Welding Helmet
Technical Parameters:
1.Light states: DIN 4
2.Dark states: DIN9-13 free adjustment (Outside Variable)
3.Cartridge Size: 110 X 90X 9mm
4.View Area: 100X 49mm 93X 43mm
5.Response time( bright to dark) : < 1/25,000 seconds (normal temperature conditions)
6.The return time ( dark to bright) : adjustable: 0.15 S ~ 0.8 S
7.Sensitivity (welding based on current size) : adjustable: low/high
8.Battery: lithium battery + solar cells No Battery change required
9.Ultraviolet transmittance: 313nm≤ 0.00006% , 365nm ≤ 0.00006%
10.Uv protection: 15 levels
11.Infrared ray through rate: 780 ~ 1300nm ≤ 0.003% 1,300 ~ 2000nm ≤0.009%
12.Working temperature: -5°C ~ +55°C (23°F ~ 131°F)
13.Storage temperature: -20°C ~ +70°C (-4 °F ~ 158 °F)
14.Masks materials: PP
15.Weight: 450G