High-Performance Leakage Magnetic Flux (LMF) Detector

Yaisu Intel-tech High-Performance Leakage Magnetic Flux (LMF) Detector

1. Foreword

As global industries continue to raise requirements for asset integrity management, non-destructive testing (NDT) has evolved from a post-fault remediation procedure to a core component of predictive maintenance systems. Traditional inspection methods, limited by low penetration, high environmental sensitivity and heavy manual dependence, can no longer meet the demands of high-throughput, high-accuracy and full-coverage safety assessment scenarios. This white paper systematically introduces Yaisu Intel-tech's independently developed Leakage Magnetic Flux (LMF) Detector, covering its technical architecture, field performance data and industrial value.

2. Technical System and Core Advantages

Yaisu Intel-tech LMF Detector adopts a dual-excitation magnetic circuit design and a 256-channel high-sensitivity Hall sensor array, forming a complete technical closed-loop from magnetic field excitation, signal acquisition, noise suppression to intelligent defect identification.


High Penetration Detection: It can stably identify hidden defects such as deep-buried cracks, internal corrosion pits and local wall thinning in ferromagnetic workpieces with a wall thickness of up to 60mm, and is not interfered by surface coatings, rust layers or attachments.


Intelligent Algorithm Empowerment: Built-in AI defect classification model trained on 100,000+ industrial inspection samples, which automatically distinguishes false signals caused by material non-uniformity and mechanical vibration, and the defect recognition accuracy rate reaches 98.7%.


Extreme Environment Adaptability: The main unit meets IP67 protection level, supports stable operation in the temperature range of -40°C to 65°C, and is suitable for long-distance pipeline patrols, offshore platforms, high-temperature production lines and other harsh scenarios.

3. Industrial Verification and Benefit Analysis

Up to now, Yaisu Intel-tech LMF Detector has completed field application verification in more than 230 industrial sites across oil and gas, railway, aerospace and pressure vessel manufacturing sectors. The measured data shows that compared with traditional ultrasonic testing, it reduces the single-point inspection time by 72%, and the overall inspection efficiency is increased by 310%. For long-distance oil and gas transmission pipelines, it can help enterprises reduce unplanned downtime caused by missed defects by more than 60%, and the annual asset maintenance cost can be reduced by more than 28%.

4. Full-Lifecycle Technical Support System

Yaisu Intel-tech provides standardized full-process services for each LMF Detector deployed: including pre-project customized inspection scheme demonstration, on-site operator certification training, 24/7 remote data diagnosis, and 12-month free hardware calibration and algorithm iteration services. This system ensures that users can quickly complete technology docking and form stable production capacity after equipment commissioning.

5. Conclusion

In the context of the global industry moving towards intrinsic safety and predictive operation, Yaisu Intel-tech will continue to take leakage magnetic flux detection technology as the core, promote the deep integration of NDT and digital asset management, and provide reliable, efficient and intelligent technical support for global industrial asset safety.

Tianjin Yaisu Intel-tech Co., Ltd. headquartered in the High-End Equipment Manufacturing Industrial Park of the Beichen National High-Tech Development Zone in Tianjin, boasts a team composed of high-tech experts from institutions such as the Chinese Academy of Sciences, Zhejiang Tsinghua Institute of Flexible Electronics Technology, and Hebei University of Technology. Specializing in the development of automated magnetic flux leakage detection and magnetic adhesion wall-climbing robot technologies, the company serves industries including gas, petroleum, chemical, and wind power. It produces and provides pipeline magnetic flux leakage internal inspection devices and detection services, develops customized magnetic adhesion wall-climbing robots, rust removal robots for storage tanks and ships, scarification robots, cargo hold cleaning robots, visual inspection robots, internal tank corrosion prevention robots, and wind turbine tower maintenance robots. The company offers wall-climbing automated robotic technologies and pipeline inspection solutions.

Main Products: Pipeline Magnetic Flux Leakage Internal Inspection Tools, including design, production, and sales of full-size pipeline magnetic flux leakage internal inspection tools, as well as providing pipeline magnetic flux leakage internal inspection services.

Main Products: Magnetic climbing robots, specializing in the design, production, and sales of magnetic climbing robots, as well as undertaking high-altitude work services.

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