0700000808 - ESAB Sentinel A50 Replacement Inner Lens Kit (5-Pack)

Technical Overview of the ESAB Sentinel A50 Inside Cover Lens

The ESAB Sentinel A50 Inside Cover Lens (SKU: 0700000808) is a critical maintenance component designed specifically for the ESAB Sentinel A50 and A50 Air auto-darkening welding helmets. This lens serves as the final barrier of protection for the helmet's advanced Auto-Darkening Filter (ADF) unit, shielding it from the wearer's side. While the outer lens protects against spatter and high heat, the inside lens is engineered to prevent damage from sweat condensation, fine particulate dust, and scratches that can occur during routine cleaning or helmet adjustment.

Manufactured from high-grade polycarbonate, this lens offers superior optical clarity that aligns with the Sentinel's 1/1/1/2 optical class rating. Using inferior or generic substitutes can degrade the visual quality of the True-Color technology, rendering the high-performance ADF less effective. The lens measures approximately 100mm x 64mm (3.9" x 2.5"), ensuring a precise snap-fit into the helmet's retention system. This tight tolerance is essential to prevent debris from bypassing the lens and settling directly on the glass surface of the ADF, which is costly to replace.

Regular replacement of the inside cover lens is a standard maintenance procedure for professional welders. Over time, the inside lens can become clouded due to off-gassing, fine fume particles that bypass the face seal, or micro-abrasions from wiping away sweat. This 5-pack configuration ensures that facilities and individual operators have immediate access to replacements, minimizing downtime and maintaining compliance with safety standards regarding visibility and equipment integrity.

Key Technical Specifications:

• Material: Optical-grade Polycarbonate
• Dimensions: 100mm x 64mm
• Compatibility: Exclusive to ESAB Sentinel A50 Series
• Packaging: Pack of 5 units