TCK Weak Magnetism inspection products have the following technical advantages: 1. Quantitative Inspection and High Differentiation: capable to inspect quantitatively both external and internal flaws such as breakage, abrasion, corrosion and fatigue with confidence level over 90%. 2. High Sensitivity: 5V/G, 70,000 to 250,000 times more sensitive than Hall sensors; 3. Real-time Inspection and High Pass-through Capacity: capable to perform online non-contacting inspection of ropes in use. 4. Small size and Light weight: the sensor head less than 2 KG. 5. Self-calibration and Strong Anti-interference Ability: with computerized self-calibration,