The Miller FS-9 ClearLight™ Auto-Darkening Welding Lens (SKU: 287828) represents a significant technological upgrade for welders utilizing traditional passive welding helmets. Designed to fit the industry-standard 2-inch by 4.25-inch lens retention systems, this unit allows operators to modernize existing equipment—such as pipeliner style hoods or standard passive shells—without discarding their preferred headgear. The core differentiator of this assembly is Miller’s proprietary ClearLight™ Lens Technology, which optimizes the spectral transmission of light through the filter. Unlike traditional auto-darkening filters (ADFs) that often impart a heavy green cast, ClearLight™ allows for a broader spectrum of visible light to pass through, resulting in a 3.0 light state that is brighter and more color-neutral. This enhancement improves contrast and clarity, allowing for more precise electrode placement and puddle control.
Technically, the FS-9 is engineered for reliability and efficiency in specific amperage ranges. It features a fixed Shade 9 dark state, making it suitable for stable, mid-range amperage applications. The lens operates with a switching speed of 1/3,600 of a second, triggered by two independent arc sensors that ensure rapid darkening upon arc initiation. Power management is handled entirely via solar technology; the unit does not require replaceable batteries, reducing long-term maintenance costs and eliminating downtime associated with power failure. The Auto-On/Auto-Off feature further streamlines operation, ensuring the lens is ready immediately when the arc is struck.
It is important to note the operational parameters of this specific unit. The FS-9 is rated for Low-Amperage TIG applications down to 20 amps. For applications requiring extremely low-amp TIG stability (below 20A) or heavy industrial repetitive tacking, a variable shade or higher-sensitivity industrial lens may be required. However, for general fabrication and standard welding tasks within the Shade 9 range, the FS-9 offers a robust, ANSI Z87.1 and CSA Z94.3 compliant solution backed by a 3-year warranty.
| Additional Information |
|---|
| Brand:Miller |
| Item:Replacement ADF Filter |
| Lense Size:2 x 4 |
| Shade Or Magnifier:9 |
| Packaging Description:1-per-ea |
| Lens Type:Auto-Darkening, Fixed Shade |
| Viewing Area:3.70 x 1.37 in, 5.07 sq in |
| Reaction Time:1/3,600 sec |
| Sensors:2 |
| Power Source:Solar Assisted, No Batteries Required |
| TIG Rating:20 Amps |
| Standards:ANSI Z87.1, CSA Z94.3 |
| Warranty:3 Years |
