TWECO AUTO DARK WELDING HE

• Features:• Enhanced Performance: Four arc sensors for high response• Auto-Darkening: Automatically turns from light to dark and dark to light• Variable shade: Adjustable welding shade levels from 9 to 13• Light Shade DIN Level: Level shade 4• “Sensitivity” control Range: Low to High• “Welding” or “Grinding”: Selection for process mode• Affordable: Value-priced• Solar-Powered: So you don’t have to worry about changing batteries• “Delay” adjustable controls: Selection for switching speed:• Short=0.25s to 0.35s• Medium=0.35s to 0.50s• Long=0.50s to 0.80s• Support: Backed by Tweco support, quality, reliability, and 2 year warranty• Specifications:• Filter Lens Dimensions: 110mm x 90mm x 9mm• Viewing Area Dimensions: 97mm x 43mm• Reaction Time: 1/30,000 second• Sensors: 2 or 4 Optical Sensors• Power Supply: Solar Cells• Inactivated Shad and Grinding Level: 4• Variable Shade Level: 9-13• Operating Temp: -5 degrees C to +55 degrees C• Storing Temp: -20 degrees C to +70 degrees C• Sensitivity Range (Light to Dark): Low- High• Delay (Dark to Light): 0.25 sec to 0.80 sec• On/Off Control: Automatic • Weight: 15.873oz