Description
Optrel SphereX CLT Pure Air PAPR Welding Helmet
The SphereX CLT Pure Air PAPR offers vision like you’re in daylight – even in the lowest ampere range. Ideal for delicate seams and the highest demands. The SphereX CLT welding helmet comes with variable shade 2/5-12 and ShadeTronic® function, manual mode, CLT (Crystal Lens Technology), opening delay with FadeTronic function, true color view, sensitivity adjustment, grind function and IsoFit® X headgear.
- Expanded Visibility: The SphereX CLT provides over 30% more visibility compared to the previous sphere series, allowing for a perfect view of every detail during the work process. The elimination of solar cells contributes to this wider field of vision.
- Crystal Lens Technology (CLT) 2.0: Provides a world-record light state of 2.0, allowing you to see your work environment and weld pool with unparalleled clarity and true-color perception.
- e3000X PAPR Integration: When used with the e3000X, TH3-certified respiratory protection filters out 99.8% of welding fumes, dust, and particles, with up to 18 hours of battery life.
- Enhanced Sensor Technology: The new system features five sensors instead of the previous three, resulting in a faster and more precise reaction time.
- Automatic Protection: All models in the Sphere X series come equipped with ShadeTronic®, which automatically selects the appropriate protection level.
- Superior Comfort and Fit: The helmet features the IsoFit® X headband with a Position Locker, providing a perfect fit and maximum comfort for extended wear.
Position Locker Headgear

The two-position locking function for a safely open or closed helmet. Now standard with all Optrel Sphere X series welding helmets and with the IsoFit® headgear.
Features and Technical Specs
- Shadetronic automatically adjusts shade from 5 to 12
- Sensitivity Control prevents ADF from responding too soon or not at all to their arc flash
- Opening Delay: Adjust the time it takes to switch from dark to light
- Curved helmet optimized for overhead welding
- Meets CSA standard Z94.3
- Part Number (PAPR Helmet Only): 4441.905.US
- Part Number (PAPR Helmet and e3000X Blower): 4530.055.US
| Feature | Specification |
| Light State | Shade 2.0 |
| Active Shade Levels | 4 – 12 (Manual) / 5 – 12 (ShadeTronic®) |
| Optical Classification | 1/1/1/2 (EN 379) |
| Sensors | 5 Arc Sensors |
| Switching Time | Light to Dark: 0.100 ms |
| Weight | 640g (Helmet & Headgear) |
| Respiratory Protection | TH3 (EN 12941) |
| Battery Life (PAPR) | Up to 18 hours (High Capacity Battery) |
| Warranty | 2 Years (+1 year with registration) |
What’s Included
- Welding helmet
- Optrel IsoFit® X headgear
- Front Cover Lens
- Warranty Card
Warranty
- From the date of purchase: 2 years for manufacturing and material defects, 6 months for the battery
- 1 year warranty extension (except batteries) for online product registration within the first 6 months
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