WHY CHOOSE PROMAX 500 ?
> Super-Size Viewing Area: 98 x 87mm, with Ultra-Clear Vision
> Dual Shade Range 5-8 / 9-13 plus grind mode to cover a wide range of welding processes
> 4 Arc Sensors for reliable arc detection & switching
> Ideal for MIG, Stick & TIG welding down to 5 amps
> For professional & Industrial Applications
WHAT ELSE ?
> Functions: Variable Shade 9-13, Sensitivity & Delay Adjustments, plus Grind-Mode switch (locks the lens in light shade)
> 2 year/24 month Warranty - Up to 100% longer than other helmets in this class
> High-Impact tested and rated to Australian standard AS1337.1
> Auto-darkening lens complies with AS1338.1
> 'Hinge & Lock' Lens Retainer System = Easy cover lens replacement, Seals tightly against spatter to prevent damage to electronic lens
> Magnification lens holder - takes standard magnification lenses
> Reliable Power Source: Replaceable battery plus solar assist, efficient electronics for low power consumption
> 'Full Laminate' Lens Construction: Each layer in the electronic lens assembly is firmly laminated for superior optical quality and long service life. This is in contrast to cheaper lenses which are simply glued on the edge and, over time, are prone to contamination and failure.
> Lightweight, Durable and Shock Resistant shell
> Switching speed: 1/30,000 (0.00003) sec
> Auto-on & Auto-off = No buttons to press, Hassle-Free operation