Description :
Solar Auto Darkening Welding Helmet Face Mask Electric Welding Mask Len Automation Filter Goggles
Specification :
Suitable for most kinds of welding mode.
Delay time can be selective.
The user's eyes and face a full protection against UV and IR radiation during the entire welding process，even in the clear state.
Sensitivity adjustment : you can according your working conditions choose.
Dark state Shade No : DIN9-DIN13 stepless adjustment Specification :
Transition time : !#!amp!*!le;2ms 22 \u2103 (72 F)
Delay time(s) : !#!amp!*!lt;1s
Power on\/off Fully Automatic
Power supply : Solar cells， No battery change required
Rate of UV transmittance : 313nm!#!amp!*!lt;0.00006% 365nm!#!amp!*!lt;0.00006%
Rate of IR transmittance : 780~1300nm!#!amp!*!lt;0.003% 1300~2000nm!#!amp!*!lt;0.009%
Frame Dimensions : Approx. 11cm x 9cm x 0.9cm\/ 4.33!#!amp!*!quot; x 3.54!#!amp!*!quot; x 0.35!#!amp!*!quot;
Viewable Size : Approx. 9.1cm x 4.2cm\/ 3.58!#!amp!*!quot; x 1.65!#!amp!*!quot;

Package includes :
1 x Solar Auto Darkening Welding Helmet Len Details pictures :