Home Continuous Wave Laser Welder S Series Continuous Wave Laser Welder Dynalasers S40 7-inch IPS Large Screen Smart Handheld Laser Welding Machine Dynalasers S40 7-inch IPS Large Screen Smart Handheld Laser Welding Machine Model S40 Laser Power 900 W Working Mode Continuous / Spot / Pulse Machine Weight < 22 kg Machine Dimensions 507 × 230 × 349 mm Machine Volume < 0.04 m³ Welding Gun Weight < 0.48 kg Input Voltage AC 220–240 V, 50/60 Hz Cooling Method Forced Air Cooling Operating Temperature -15°C to 40°C Max. Welding Depth Stainless Steel 3.5 mm Carbon Steel 3.5 mm Galvanized Steel 3.5 mm Aluminum 2.5 mm Brass 2.5 mm Key Features Lightweight and compact design, easy to carry for mobile welding work. Machine volume under 0.04 m³ and weight under 22 kg. Patented lightweight welding gun, weighing less than 0.48 kg. Supports spot welding, continuous welding, pulse welding, cutting, rust removal, and cleaning. Intelligent control for laser power, welding speed, wire feeding, wire retraction, and wobble amplitude. Self-developed intelligent control system with a 7-inch IPS screen, clear and easy to read. 150 streamlined modes and 128 customizable professional modes help beginners get started quickly. Stable operation from -15°C to 40°C, with instant startup and 24/7 continuous operation capability. Need stronger welding depth with a compact body? Contact Dynalasers for S40 specifications, application advice, and a tailored quotation. Contact Us → Description Related products Dynalasers S30 Lightweight Smart Laser Handheld Welding Machine S Series Continuous Wave Laser Welder