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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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TesTex, Incorporated was founded in 1987 and is a leading provider of electromagnetic NDT systems and services. TesTex is a full service non-destructive testing (NDT) company pioneering the development and use of NDT systems for the inspection of both ferrous and non-ferrous components.

Currently, TesTex employs over 200 personnel to provide products and services domestically and worldwide.
TesTex Mission

Our mission is to:

  • Provide fast, accurate, and cost effective non-destructive testing services to our clients
  • Develop innovative, state-of-the-art products and services for non-destructive-testing (NDT)
  • Use technology as a driving force
  • Maintain a leadership role in electromagnetic non-destructive-testing (NDT)

The non-destructive testing (NDT) techniques employed by TesTex are special applications of electromagnetics and include:

  • Remote Field Electromagnetic Technique (RFET), which was developed by TesTex in 1988
  • Low Frequency Electromagnetic Technique (LFET), which was developed by TesTex in 1992
  • Eddy Current Technique
  • Internal Rotary Inspection System (IRIS)
  • Balanced Field Electromagnetic Technique
  • Near Field Electromagnetics

All of our non-destructive testing (NDT) systems are based on innovative designs that use Digital Signal Processing (DSP) chip technology. For these applications, TesTex utilizes the latest technology in chips, computers, software, signal processing and 3-D display.


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