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The Lincoln Square Wave TIG 200 - K5126-1 is an exceptionally versatile portable TIG and stick welding system designed to provide professional-grade performance without overwhelming complexity. This thoughtfully engineered machine creates the perfect balance between accessibility and capability, making it an ideal solution for hobbyists, makers, small fabrication shops, and craftsmen seeking to expand their creative possibilities through precision welding. The intuitive design philosophy emphasizes "simplicity without compromise," allowing users of varying experience levels to achieve excellent results while providing advanced features that support skill development and application versatility as expertise grows. The system delivers remarkably smooth and stable arc characteristics across both AC TIG welding on aluminum and DC TIG welding on steel, stainless steel, and chrome-moly materials, ensuring consistent quality regardless of the application.
The Square Wave TIG 200 incorporates a user-friendly interface that dramatically simplifies machine setup and operation, allowing welders to "set it, forget it, and weld" without constant parameter adjustments. Advanced features like adjustable Pulse functionality provide a rhythmic cadence for filler metal deposition, helping users develop proper technique and timing while improving weld quality and appearance. For aluminum applications, the comprehensive AC control capabilities enable precise customization of the welding arc, with adjustable AC Frequency Control allowing modification of the bead profile from wider to tighter as required by the specific project. The AC Balance adjustment feature provides additional versatility, allowing operators to increase cleaning action for dirty aluminum or maximize penetration when working with thicker materials, ensuring optimal results across diverse aluminum welding scenarios.
Beyond its exceptional TIG welding capabilities, the Square Wave TIG 200 offers complete multi-process functionality with capable stick welding performance, creating a versatile solution for environments requiring both precision TIG work and the robustness of stick welding for outdoor applications or thicker materials. The system exemplifies Lincoln's "Take it Everywhere, Plug in Anywhere™" design philosophy with true dual-voltage capability, operating from either standard 120V circuits for convenience or 230V connections for maximum output potential. Despite its impressive performance capabilities, the Square Wave TIG 200 maintains exceptional portability at just 46 pounds (21 kg), allowing for convenient transportation between work locations. This thoughtful combination of accessibility, advanced functionality, multi-process capability, and portability establishes the Square Wave TIG 200 as an exceptional value for welders seeking to explore their creativity through high-quality TIG and stick welding.
- Intuitive user interface simplifying machine setup for welders of all experience levels.
- Smooth, stable arc characteristics for both AC TIG on aluminum and DC TIG on ferrous materials.
- Adjustable Pulse functionality providing rhythmic timing assistance for proper filler metal deposition.
- Comprehensive AC control with adjustable Frequency for customizing weld bead profile width.
- Variable AC Balance capability optimizing between cleaning action and penetration on aluminum.
- Complete multi-process functionality with both precision TIG and versatile stick welding capabilities.
- True dual-voltage design (120V/230V) providing operational flexibility across various power sources.
- Exceptional portability at just 46 pounds (21 kg) for convenient transportation between work locations.
- Progressive functionality supporting skill development as welding expertise and confidence grow.
| Dimensions (H x W x D) | 14 in x 10.75 in x 19.25 in (358 mm x 282 mm x 502 mm) |
| Net Weight | 46.5 lbs (21.092 kg) |
| Work Lead Connector Type | Dinse |
| Input Voltage | 120/230 |
| Input Current | 120V TIG: 25% Duty Cycle 21A 40% Duty Cycle 17A, 60% Duty Cycle 14A, Stick: 20% Duty Cycle 19A 60% Duty Cycle 16A 230V TIG: 25% Duty Cycle 22A 40% Duty Cycle 17A 60% Duty Cycle 13A |
| Input Hertz | 50/60 |
| Input Power | 120/230/1/50/60 |
| Input Phase | 1 |
| Mode Icon | CC |
| Output Range | 120V TIG: 10-125A, Stick: 10-90A, 230V TIG: 10-200A, Stick: 10-170A |
| Polarity | AC/DC |
| Typical Application | Automotive Brewery Distillery General Fabrication Maintenance & Repair |
| Warranty | 3 Years |