Sunstone Pico DC Closed-Loop Feedback Resistance Welder

Weld Type: Micro TIG (Pulse Arc)
Trigger Options: Foot pedal or stylus
Control Interface: Simple digital controls
Power Input: 110 / 220 VAC auto-switching
Operating Environment: Labs, classrooms, electronics benches, light repair stations

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Overview

The Sunstone Pico DC is a compact, lightweight micro pulse arc welder designed for ultrafine precision welding applications. Built for delicate work such as fine wire attachment, foil bonding, and micro-component joining, the Pico DC delivers clean, consistent welds with minimal heat input—protecting sensitive materials and small geometries.

With straightforward digital controls, stable output, and argon shielding support, the Pico DC is an excellent choice for technicians, researchers, and educators introducing pulse arc welding into high-precision workflows or instructional environments.

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Key Features

• Micro TIG pulse arc welding for pinpoint energy control

• Compact, lightweight design ideal for benchtop or mobile use

• Simple digital interface for fast setup and repeatable results

• Built-in argon gas port for oxidation-free welds

• Foot pedal or stylus triggering for ergonomic operation

• Low heat distortion for fragile or heat-sensitive components

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Precision Micro Welding Performance

The Pico DC uses controlled pulse arc energy to create highly localized welds without excessive heat spread. This allows operators to work confidently on ultrafine wires, foils, and micro-scale components while maintaining excellent cosmetic and structural results.

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User-Friendly Digital Controls

The simple digital interface provides intuitive adjustment of weld parameters, making the Pico DC easy to operate for both experienced technicians and first-time users. This straightforward design is especially well suited for training labs and classroom environments.

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Argon Shielding Capability

An integrated argon gas connection enables oxidation-free welding, improving weld quality and consistency—particularly important for fine metals, electronics, and precision assemblies.

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Ideal Applications

• Fine wire welding (nichrome, copper, gold, and similar materials)

• PCB pad and sensor lead attachment

• Thermocouple and foil bonding

• Jewelry micro-welding and repair

• University labs, cleanrooms, and training facilities

• Electronics research and prototyping

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Why Choose the Sunstone Pico DC?

The Pico DC delivers professional-grade micro welding performance in an approachable, compact platform. Its precision control, low heat output, and ease of use make it an excellent solution for environments where accuracy, repeatability, and material protection are critical.

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Warranty

This product includes Sunstone’s standard 2-Year Limited Manufacturer Warranty, covering defects in materials and workmanship.

• Internal components and electronics covered for 2 years

• Consumable parts covered under a 1-Year warranty

• All service handled by Sunstone’s U.S.-based support team

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Customer Resources

📄 User manual
▶️ Video: Product Video
📧 Customer Support: Direct manufacturer assistance troubleshooting. Contact them at custservice@sunstonewelders.com | +1 (877) 786-9353

DO YOU NEED TRAINING?

Sunstone's training team is ready to help you master the Pico DC Closed-Loop Feedback Resistance Welder Visit Sunstone's Training Page to learn more.