The WH04B auto-darkening welding helmet is equipped with a filter set, that can become dark when welding but is transparent before welding, so the operators may observe the work surface clearly.When striking an arc the filter darkens automatically.When the arc goes out the filter will become transparent again.The switching time from dark to light is about 0.3ms.The switching time from dark to light maybe set up to within 0.1-0.8 of a second.The mask is equipped with continuous darkness-adjusting unit,so the operator may select an arbitrary dark shade number ranging from 9ew to 13ew.
The automatic welding mask gives the operators permanent complete protection against ultra violet and infrared even in transparent mode.The power is provided by solar cells,so the user is exempted from changing batteries,turning on or off power and any other operation.Don't take chances with your eyes,approved to CE EN 175/EN 379 standards.
Product Code: WH04B
Filter dimension 110 x 90mm
Viewing area 95 x 39mm
Light shade no 4ew
Dark shades between 9-13ew
Lightweight nylon shell
Conforms to EN175B & EN379 with 1/1/1/2 classifcation