Physical Principle Technology

The MFL inspection sensor for metallic cables uses the saturating magnetization principle. When a cable or ferromagnetic material is exposed to a strong magnetic field and has discontinuities such as cracks, wire breaks, or corrosion, magnetic flux leakage fields are generated and detected by high-sensitivity Hall sensors. This technology ensures precise defect detection even under extreme operating conditions and surface coatings.

Sensor Architecture

• Permanent Magnet: NdFeB alloy generating a magnetic field of 0.8-1.5 Tesla.
• Hall Sensors: Matrix arrangement with 4-8 sensors/cm² for maximum resolution.
• Magnetic Yoke: Silicon steel core efficiently channels the magnetic flux.
• Integrated Electronics: Signal conditioning circuit with 100 kHz sampling for fast and accurate detection.

Technical Parameters

• Spatial Resolution: ±1 mm longitudinally
• Penetration Depth: Up to 12 mm in steel
• Inspection Speed: 0.1-2.0 m/s
• Detection Range:
• Wire breaks: >1 strand
• Cross-section loss: >3%
• Pitting depth: >0.5 mm

Specialized Configurations

• Yoke-Type Sensor: For 10-50 mm Ø cables
• Permanent Sensor: Ideal for moving applications
• Multiaxial Array: 3D defect detection

Industrial Applications

• Offshore: Cable inspection on oil platforms
• Mining: Hoist and transport cables
• Infrastructure: Bridges, cable cars, and transport systems
• Energy: Wind crane cables and power generation systems

Competitive Advantages

• Real-time inspection
• Zero physical contact with the cable
• Tolerance to surface coatings
• Operation in harsh and extreme environments
• High component reliability and durability
• Optimized predictive maintenance and industrial safety

The MFL inspection sensor is the most reliable technology for non-destructive evaluation of active metallic cables, offering precision, efficiency, and safety in critical industrial operations.

La entrada MFL SENSOR se publicó primero en .