Fixtures That Deliver the Complete Parallel Test Solution
Production-Ready Fixturing Solutions
for your Unique PCBA Requirements
Built Around Your Complete Test Strategy
CheckSum Fixturing Solutions are Designed Around the Technologies That Drive our Parallel Test Advantage, including ICT, MultiWriter ISP, and Parallel Functional Test. The Fixture is the Deliverable That Brings These Capabilities Together into a Production-Ready Solution, Built for Your Unique PCBA Requirements.
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Engineered Around ICT, MultiWriter™, ISP, and PFT™
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Built to Your PCBA Requirements
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Designed for Throughput, Coverage and Reliable Production
In-House Fixture Development and Fixture Quote Portal
CheckSum Fixtures are Designed, Built, and Programmed to the Customer’s Specification Using In-House Engineering, Analysis, Machining, Manufacturing, and Programming. Our Web-Based Fixture Quote Portal Helps Capture Requirements Clearly, Organize Project Files, and Formalize Communication Throughout the Quotation and Development Process.

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Integrated ICT, MultiWriter, and PFT
CheckSum Fixtures are Designed to Support the Full Suite of CheckSum Parallel Test Technologies, Bringing In-Circuit Test, In-System Programming, and Parallel Functional Test Together in One Production-Ready Fixture Strategy.
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Web-Based Fixture Quote Portal
Our Fixture Quote Portal Helps Capture Requirements, Customer Preferences, Uploaded Documents, and Project Communication in One Organized Location to Support a Clear and Structured Development Process.
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Precision Fixture Design and CNC Process
CheckSum Uses In-House Engineering CAD, FEA and Strain Analysis, CNC Programming, and CNC Machining to Support Fixture Accuracy, Repeatability, and Mechanical Precision.
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Fixture Capabilities Built Around the Application
Fixture Features are Selected Around the Project and Can Include Dual-Level Probing, Topside Probing, Board Sensors, Barcode Scanners, Polarity Sensors, Connector Testing, Alignment Tooling, In-Fixture MultiWriter™ Buffer Cards, and In-Fixture PFT™.
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Designed for Advanced PCBA Requirements
From Single Boards to High-Density Panels, CheckSum Fixtures are Developed to Support Demanding Production Requirements with the Speed, Coverage, and Reliability Required in Modern Electronics Manufacturing.
In-House Fixture Design, Analysis, and CNC Process
Designed for Advanced PCBA Applications
CheckSum Test Fixtures Support a Wide Range of Applications, From 50 to More Than 10,000 Test Points and From Single PCBAs to High-Density Panels. Built for Fast Changeover, Easy Storage, and Reliable Daily Use, These Fixtures are Developed to Support Advanced Manufacturing Requirements While Maintaining the Performance Expected From CheckSum.
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Support for 50 to 10,000+ Test Points
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Support for Single PCBAs Through High-Density Panels
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Built for Fast Changeover, Easy Storage, and Reliable Production Use
- Fixture Compatibility between ILS-X2 and 12KN
Test Fixture Image Gallery
Fixture Product Sheet
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Free Test Analysis -- See Where Parallel Test Changes the Math
We Review your Board Design, Panel Strategy, and Test Requirements to Identify Opportunities to Improve Throughput, Increase Coverage, and Reduce Total Test Cost with CheckSum’s Parallel Test Technologies.
What You Get:
✅ Verified Cycle Time Improvements
✅ Throughput and Efficiency Projections
✅ ROI Projections Specific to your Application