Jefferson Automatic Welding and Grinding Helmet

Slim, lightweight & well-balanced auto-darkening welding helmet
Fully adjustable headgear for comfort and fatigue reduction
Powered by 1x CR2032 lithium battery & solar cells
Features auto-off circuitry at 15-20 minutes and low-battery indicator
Two independent ARC Sensors for increased safety and protection
Variable shade 9-13 with sensitivity and delay controls
Suitable for MMA, MIG, TIG, PAC, PAW, CAC-A processes
Optical Class: 1/2/1/2 – (DIN EN 379:2009-07)
Impact Rating: B (120m/s) – DIN EN 175:1997 (Protection against high speed particles)
Viewing Area: 92×42mm
Cartridge Size: 110×90×9mm
Light State: DIN 4
Power On/Off: Fully automatic
Sensitivity Control: Low / Medium / High
UV/IR Protection: DIN 16
Switching Time Light to Dark: 1/15000s
Dark to Light: 0.25~0.30s (High Sensitivity) 0.35~0.6s (Medium Sensitivity) 0.65~0.85s (Slow Sensitivity)
Low Amperage TIG: 20A (DC, AC)
Operating Temperature: 5°C to + 55°C