WS-1000 Solar Auto Darkening Helmet Welding Mask Soldering Lens

Features: Suitable for most welding modes Delay time can be selective User s eyes and face are protected Total protection against UV and IR rays during the entire welding process even in bright condition Specification: Sensitivity adjustment: you can choose according to your working conditions dark state Shade n: stepless adjustment DIN9-DIN13 Transition time: less than 2 ms 22 Celsius (72 Fahrenheit) Delay time (s): Less than 1s Full automatic on/off Power supply: solar cells no battery change required UV transmission rate: 313 nm Less than 0.00006% 365 nm Less than 0.00006% IR transmission rate: 780 ~ 1300nm Less than 0.003% 1300 ~ 2000nm Less than 0.009% Size: 110mm 90mm 10mm Package Included: 1 Solar Auto Darkening Welding Helmet Lens