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At TesTex, we know your turnaround depends on our turnaround.


TesTex uses a variety of state-of-the-art electromagnetic techniques to scan for defects in both ferrous and nonferrous materials and structures.

LFET Products

Low Frequency Electromagnetic Technique (LFET) products are used to inspect storage tanks, other convex or concave ferrous surfaces, as well as nonferrous metal tubing/piping surfaces.

RFET Products

Remote Field Electromagnetic Technique (RFET) products are used to quickly and accurately inspect ferrous tubing found in heat exchangers and drum-to-drum boiler generating banks.

BFET Products

Balance Field Electromagnetic Technique (BFET) products are used to detect surface and sub-surface cracking in welds and base metals.

ECT Products

Eddy Current Technique (ECT) is used to quickly and accurately inspect non-ferrous metal tubing from the tube internal dimension (ID).


TesTex has enhanced ultrasonic (UT) inspection for many different applications, including tank shells, UT prove-ups, finned tubes and waterwalls.


TesTex produces standard and custom probes (and calibration tubes) for all of its ID (internal dimension) inspection equipment.


This is a great place to check out Technical papers, Case Studies, and any other relevant news related to our specialized non-destructive testing products and services.

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LFET Probes and Scanners

Our low frequency electromagnetic technique scanners and probes are designed for several different roles. Designed primarily as an OD (outside diameter) scanning tool, LFET probes have been designed for ID (internal diameter) scanning of crystallizer tubes.
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LFET Scanners come in a variety of sizes and shapes to fit their specific application. For example, TesTex employs bend scanners to scan superheater bends for boiler tubes, and pipe scanners to scan large diameter pipes. LFET scanners also come in the shape of pods that are used in an array with other pods for scanning tank floors and large diameter pipes like we have designed in our Falcon floor scanners and our Line CAT scanner.


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