Variation Class 1

Luminous transmittance variation is concerned with how consistently the auto-darkening function of the lens works. Our welding helmets in Variation Class 1 feature lenses where the shade of the filter darkens uniformly across the surface of the lens, with no dark or light areas in comparison to the lens as a whole. If you have any questions or need a product recommendation, do not hesitate to contact our customer support team on 020 7501 0594 or via our Contact Us page.

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Bollé Fusion+ Welding Helmet FUSV Fitted with four auto-darkening sensors EN 175 and EN 379 compliance Supplied with low battery indicator One-size-fits-all perfected with adjustable headband    In stock now £124.99Details

Portwest BizWeld Plus Welding Helmet PW65BKR Auto-darkening welding helmet with solar cell power Dark state adjustable from shade 9 to shade 13 Response time from light to dark of 0.04 milliseconds Suitable for wearing with disposable respirators    Currently unavailable. Please check back soon £29.99Details

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