Magneto-Resistive Eddy Current

The United State currently has over 2 million miles of gas pipeline, of which nearly 50% is over 50 years old. Currently used inspection technology, MFL (Magnetic Flux Leakage), is heavy, inefficient and expensive. RMD’s MREC (Magneto-Resistive Eddy Current) technology can detect defects in pipes with accuracy and repeatability. Our MREC technology has the following advantages over MFL techniques:

• No heavy magnets are required, as is the case with MFL
• MREC is a smaller, lighter-weight, less power hungry NDI system
• Defects can be detected with high signal to noise ratio near welds
• Probe response is proportional to defect size

Current estimates put the cost of examining 5 miles of Gas Pipeline at $1 Million utilizing MFL technology. With our MREC system, the cost could be reduced to under $250,000.

Prototype MREC Module









Representative Scan Data


Gas Pipe Inspection

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