A First Article Inspection (FAI) tester is a specialized quality control system—often automated—used in manufacturing to verify that the first produced part (or batch) of a new process meets all engineering specifications before mass production. These testers ensure compliance, reduce rework, and are vital in industries like aerospace and electronics, often utilizing high-resolution cameras, CMMs, or probes to detect flaws.

Key Aspects of First Article Testing:
Purpose: To validate that the manufacturing process can produce parts conforming to drawing requirements, preventing defects in subsequent production.
Components Checked: The FAI focuses on verifying dimensional characteristics (size, shape, position), material properties, and functionality.
Automated FAI (e.g., in SMT/PCBA): Intelligent systems (like MD820 or ICT-FAI1095) automatically import BOM files and CAD data to check for component presence, value, polarity, and orientation using AI cameras.
Documentation: A comprehensive FAI report is produced, including images, measurements, and a Pass/Fail status for every component.
Manual Testing: Involves traditional inspection methods such as optical microscopes, calipers, and X-ray systems.

Common Uses:
SMT/PCB Assembly: Verifying placement and solder quality on circuit boards.
Machined Parts: Checking dimensions on precision-cut materials.
Initial Production Runs: Confirming a new setup is correct, often used during NPI (New Product Introduction).