The Micro-Fix MSD-03 Eddy Current Seam Detector is a specialized Non-Destructive Testing (NDT) system engineered for high-precision detection of longitudinal seams, surface laps, folds, and fine surface cracks on conductive metallic materials. In primary metallurgy, wire drawing mills, tube manufacturing, bar extrusion, and automotive fastener production, longitudinal seam defects formed during casting or hot/cold forming are often extremely tight and run parallel along the product length. Unidentified seam flaws can lead to severe structural cracking or sudden catastrophic failure when components undergo torsional or high fatigue stress during service.

Operating on high-frequency Eddy Current Testing (ECT) principles, the Micro-Fix MSD-03 utilizes surrounding encircling test coils or rotating probe heads to induce electromagnetic eddy currents across the workpiece surface. Any longitudinal seam or surface discontinuity interrupting the current path causes an immediate shift in complex coil impedance. The MSD-03's advanced digital signal processor evaluates signal amplitude and phase variations in real time, accurately determining defect severity and location.

Designed for high reliability, the Micro-Fix MSD-03 supports both continuous high-speed inline production inspection and standalone off-line QA/QC testing stations. The system features a clear impedance plane graphical display, intuitive threshold configuration, and dedicated signal outputs for automated paint markers and defect reject sorters. The Micro-Fix MSD-03 empowers manufacturers to maintain strict zero-defect quality standards across high-volume production lines.

• Manufacturer: Micro-Fix
• Model: MSD-03
• Full Name: Eddy Current Seam Detector
• Inspection Principle: Non-Destructive High-Frequency Eddy Current Testing (ECT / NDT)
• Target Applications: Metal wires, rods, bars, seamless/welded tubes, shafts, automotive fasteners, and cold-headed parts
• Detectable Defect Types:
  - Longitudinal seams along workpiece length
  - Material laps, folds, and seam overlaps
  - Fine surface cracks, hairline fissures, and deep scratches
  - Surface structural non-uniformities
• Test Frequency Range: Specialized high-frequency selection optimized for minute surface seam detection
• Sensor / Probe Compatibility: Encircling test coils, rotating probe systems, and surface contact probes
• Signal Display: Real-time Impedance Plane Diagram & signal waveform display
• Control & Alarm Outputs:
  - Visual status LEDs & audible alarm buzzer
  - Output trigger signal for paint defect markers
  - Digital output signal for automated reject sorting gates
• Line Inspection Speed: High-speed continuous inline testing capability (up to hundreds of meters per minute)
• Communication Ports: RS-232C / Ethernet LAN, Industrial Digital I/O
• Operating Environment: Temperature 0°C to 50°C, Relative Humidity < 85% RH (industrial dust and oil resistant)
• Power Supply: AC 100V - 240V, 50/60Hz
• Standards Compliance: ISO 15549, ASTM E3052, JIS, International NDT standards
• Standard Accessories: Probe interconnect cables, reference calibration block, power supply adapter, heavy-duty protective carrying case, user manual.