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Precision TIG 275/375

Precision TIG 275/375

Precision TIG 275/375

Product catalog summary
Overview: The Precision TIG 275 and 375 are versatile welding machines designed for TIG and Stick welding applications. They feature Micro-Start™ II technology for enhanced arc stability and precise welds. The 275 model is suitable for general maintenance, while the 375 model is ideal for thicker materials and heavier jobs, offering the highest duty cycle in its class.
Specifications:
  • Precision TIG 275: Amperage range of 2 to 340 amps, suitable for a wide range of material thicknesses. It includes AC Auto Balance® for optimal cleaning and penetration on aluminum.
  • Precision TIG 375: Amperage range of 2 to 420 amps, includes a built-in TIG pulser to control heat input and reduce distortion on thin materials.
Features:
  • Both models include a side-mounted torch holder for cable management and protection.
  • Advanced Pulse Control panel available, standard on the 375 and optional on the 275, to minimize material distortion and ensure consistent bead appearance.
Applications: Suitable for fabrication, aerospace, production, motorsports, and vocational education.
Included Components: Each Ready-Pak includes a water cooler, foot Amptrol™, gas regulator/flowmeter, TIG torch, and various accessories for immediate use.
Optional Accessories: A range of accessories is available, including advanced control panels, undercarriages, and various torch adapters and kits.
Product Numbers:
  • Precision TIG 275: K2619-1, K2619-2, K2620-1, K2618-1
  • Precision TIG 375: K2622-1, K2622-2, K2623-1, K2624-1
Customer Assistance Policy: Lincoln Electric provides information and advice to the best of their ability but does not assume liability for the use of their products. The selection and use of products are the customer's responsibility.
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Catalog excerpts

Precision TIG 275/375-1

Precision TIG 275/375 TIG WELDING MACHINE

 Open the catalog to page 1
Precision TIG 275/375-2

The Best of Both Worlds: Utility and range of thickness The Precision TIG® 275 is a versatile shop machine ideal for any type of TIG or Stick welding maintenance application, including the use of 5/32-in. (4.0 mm) stick electrode. The 275 features the patented Micro-Start™ II technology, which enhances starting and arc stability, and provides for more precise welds and crater fills. When it’s time for thicker materials and heavier jobs, choose the Precision TIG® 375 which provides for the highest duty cycle in its class. The Precision TIG 375 also features the patented Micro-Start II technology,...

 Open the catalog to page 2
Precision TIG 275/375-3

Processes » Stick, TIG Applications » Fabrication, Aerospace, Production, Motorsports, Vocational Education Simplicity, Control and Range Simplicity through technology Wide output range AC Auto Balance automatically provides for the optimal mix of cleaning and penetration for welding on Aluminum. When welding thicker material requiring increased penetration, or when requiring increased cleaning action to break through heavy oxide layers, bypass AC Auto Balance and adjust manually for full control. Tackle either end of the material thickness spectrum with an amperage range of 2 to 340 amps with...

 Open the catalog to page 3
Precision TIG 275/375-4

1. Minimum Output Control & Display Switch [Also displays output voltage) 4. Local/Remote Current Control Switch 5. Maximum Output Control 6. Post Flow Time 7. Thermal Shutdown Light 8. Optional Advanced Control Panel b) Pulse/Spot Time Mode Switch c) Pulse Frequency Control d) Pulse % On Time Control e) Pulse Background Current Control f) Downslope Time, In Seconds

 Open the catalog to page 4
Precision TIG 275/375-5

Precision TIG 375 Controls » 1. Minimum Output Control & Display Switch [Also displays output voltage] 2. Set-Up Menu 3. Digital Meter 4. Local/Remote Current Control Switch 5. Maximum Output Control 6. Post Flow Time 7 Thermal Shutdown Light 8. Downslope Time 9. Pulse Background Current Control 10. Pulse % On Time Control 11. Spot Time 12. Pulse Frequency Control 13. Polarity Switch 14. Power Switch 15. Pulse/Spot Time Mode Switch 16. Trigger Switch [2-Step/4-Step] 17 AC Balance Control 18. Mode Switch 19. Remote Receptacle [not shown]

 Open the catalog to page 5
Precision TIG 275/375-7

• Included • Optional

 Open the catalog to page 7
Precision TIG 275/375-8

CUSTOMER ASSISTANCE POLICY The business of The Lincoln Electric Company® is manufacturing and selling high quality welding equipment, consumables, and cutting equipment. Our challenge is to meet the needs of our customers and to exceed their expectations. On occasion, purchasers may ask Lincoln Electric for information or advice about their use of our products. Our employees respond to inquiries to the best of their ability based on information provided to them by the customers and the knowledge they may have concerning the application. Our employees, however, are not in a position to verify...

 Open the catalog to page 8

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