Sunstone
Sunstone Capacitive Discharge (CD) Spot Welders – Single Pulse Manual (SPM) Series
SKU: 301010
Description
Models: CD100SPM · CD200SPM
Pulse Type: Single-Pulse Capacitive Discharge
Trigger Type: Manual (onboard trigger button)
Interface: Basic analog / digital control
Automation Ready: No
Overview
The Sunstone CD Single-Pulse Manual (SPM) Series is designed as a straightforward, reliable entry point into precision resistance welding. Using a single-pulse capacitive discharge system, these welders deliver clean, consistent welds for lightweight and low-to-moderate duty applications without the complexity of dual-pulse controls or automation interfaces.
Compact, affordable, and easy to operate, the SPM Series is ideal for labs, educational environments, hobbyists, and small production settings where manual operation is preferred and repeatable weld quality is still essential.
Shared Features Across All SPM Models
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Single-pulse capacitive discharge welding for fast, controlled energy delivery
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Manual onboard trigger button with system readiness indicators
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Simple control interface for quick setup and ease of use
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Compact, benchtop-friendly footprint
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Lightweight chassis suitable for portable or lab environments
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Auto-switching 110V / 220V AC input for flexible deployment
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Microprocessor-controlled output for consistent weld results
Model Comparison
| Model | Stored Energy | Dimensions | Weight | Typical Use Cases |
|---|---|---|---|---|
| CD100SPM | 100 Ws | Compact | Light | Thermocouples, fine wires, small tabs, jewelry, education |
| CD200SPM | 200 Ws | Compact | Light | Thicker tabs, foil welding, small batch production |
Ideal Applications
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Fine wire welding (nichrome, copper, sensor leads)
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Thermocouple construction and repair
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Jewelry and light craft fabrication
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Lab testing and technical education
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Entry-level battery tab welding (thin nickel or Ni-plated steel)
What’s Included
Each Sunstone CD-SPM welder ships ready for immediate use and includes:
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Sunstone CD Single-Pulse Manual Spot Welder (model selected)
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Integrated capacitive discharge power system
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Manual onboard trigger button
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Auto-switching 110V / 220V AC power input
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Power cord
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User manual and setup documentation
Electrodes, weld heads, and accessories are sold separately to allow application-specific configuration.
Warranty
This product includes Sunstone’s 2-Year Limited Manufacturer Warranty, covering defects in materials and workmanship.
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Internal electronics and system components covered for 2 years
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Consumable components covered under a 1-Year warranty
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Service and support provided by Sunstone’s U.S.-based technical team
Customer Resources
▶️ 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 Capacitive Discharge (CD) Spot Welders – Single Pulse Manual (SPM) Series Visit Sunstone's Training Page to learn more.
Returns & Warranty
30-Day Returns — No questions asked. Return in original condition for a full refund.
Manufacturer Warranty — All products include a minimum 1-year manufacturer warranty. Extended warranty options available at checkout.
100% Money-Back Guarantee
Try it risk-free for 30 days. If you're not completely satisfied, we'll refund every cent — no questions asked, return shipping on us.
- 30-day money-back guarantee
- Free insured shipping
- 1-year full warranty
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