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The Helix Pure Air CLT is ideal if you need the practical slide-up function to switch between different tasks and a large field of view with extremely bright and true colour vision when welding. The fresh air version is equipped with a PAPR adaptor for the Optrel blower respiratory protection system e3000X and, therefore, meets the highest requirements for air filtration and respiratory protection during welding.
Features
Helix Spare Outer Cover Lens x 1
Optrel Helmet Bag
Optrel User Manual
Optrel 2 Year Warranty (Register Online with Optrel for a Third Year)
Answers for buyers choosing and looking after Bluetooth-enabled auto-darkening welding helmets, including those used with a powered air system.
Welding fume is a health risk, and the HSE says that for arc welding a powered or supplied air respirator is the preferred option, ideally one that combines respiratory, eye and face protection with an assigned protection factor of at least 20. A helmet designed to work with a powered air unit gives you that combined protection in one piece of kit.Tight-fitting masks can become uncomfortable, and people then loosen or remove them. A powered system blows filtered air across the face, which many welders find easier to wear for a full shift. Check the unit's data plate and manual to confirm it suits the helmet you choose.
It depends on the work. The HSE points out that particulate filters do not protect against the gases that are present in welding fume. Depending on the process, the material and any coatings, your risk assessment may call for a combined filter that also deals with gases or vapours.Always use the filter types and breathing tube that the powered unit's maker approves for your helmet, as mixing parts can invalidate the protection. If you are unsure which filter your work needs, our team can help you choose, but the final decision should rest on your risk assessment and the maker's instructions.
On helmets with Bluetooth, a smartphone app can usually let you change settings such as shade, sensitivity and delay without taking the helmet off, check battery status and sometimes save groups of settings for different jobs. Some designs can also link to the welding power source so the lens reacts before the arc is struck.Features differ between makers and software versions, so read the manual to see what your helmet and app support. Always confirm that the shade you have set is suitable for the process and current before you strike an arc.
The shade range shows how dark the lens can be set when the arc is lit. A lower number lets through more light, which is helpful for low-current work where you need to see detail, while a higher number is darker and suits higher currents. A wide range lets one helmet cover a variety of jobs.The right shade depends on the process and the welding current, and it is normally taken from the shade selection table in the relevant standard or the helmet manual. If the process you use needs a darker or lighter shade than the range allows, that helmet is not suitable for it.
