The Walter Surface Technologies 4500V-0166 (NY227) is a professional-grade auto-darkening welding helmet engineered for the everyday industrial welder. It provides essential eye and face protection, combining advanced optical performance with practical features for diverse welding and grinding applications.
Key Specifications and Features:
– Arc Sensors: Equipped with 4 independent arc sensors, ensuring reliable and rapid response to arc ignition for consistent eye protection.
– Variable Shade Range: Offers a versatile shade range from 9 to 13, allowing precise adjustment to accommodate various welding processes and light intensity conditions.
– Variable Sensitivity Control: Features adjustable sensitivity settings to fine-tune the helmet’s reaction to arc brightness, preventing unintended darkening or flashing in different work environments.
– Variable Delay Control: Provides customizable delay settings for the dark-to-light transition, ensuring the weld puddle cools adequately before the lens clears, minimizing eye strain.
– Grind Mode Functionality: Includes a dedicated grind mode, which disables the auto-darkening feature for clear visibility during grinding tasks without requiring helmet removal.
– Viewing Area: Offers a clear viewing area of 7.1 square inches, providing sufficient visibility for precise weld placement and enhanced situational awareness.
– Compliance Standards: Meets stringent CSA Z94.3 requirements, guaranteeing adherence to high safety and performance benchmarks for personal protective equipment.
– Helmet Color: Presented in a professional gray finish, designed for durability and suitability in demanding industrial settings.


