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Eddy Current Testing (ECT) weld probes are

specialized NDT tools designed for detecting surface-breaking and near-surface cracks in welds, particularly in steel structures and non-ferrous materials. These probes work through paint or non-conductive coatings, providing a fast, non-hazardous alternative to magnetic particle inspection (MPI), often in the 200kHz to 6MHz range.

Key Aspects of Weld Probes for ECT:

Weld-Specific Design: Probes are engineered with specialized coils to handle the uneven, rough surfaces and complex magnetic/microstructural properties of welds and heat-affected zones (HAZ).
Coating Penetration: They can inspect welds through paint or metallic coatings up to
$2 mm$
thick, reducing preparation time.
Versatility: Used in automotive (chassis welds) and structural applications, these probes are effective at detecting surface cracks, lack of fusion, and porosity.
Common Types: Pencil probes for precise, high-frequency scanning, and shielded probes to minimize edge effect interference on vertical surfaces.
Performance: While effective, they require skilled operators and are primarily suited for surface or near-surface, rather than deep, volumetric flaws.

Benefits of Weld Probe ECT:

Reduced Surface Preparation: No need for thorough cleaning or paint removal in many cases.
Increased Speed: Faster, cleaner inspection method compared to liquid penetrant or magnetic particle testing.
Accurate Data: High sensitivity to surface-breaking cracks and defects.

For finding electrical faults, the Power Probe ECT3000 is a different, non-related tool used to locate short circuits in automotive, which acts as a circuit tracer.

Eddy Current Weld Probes, ECT Probes, UK | Ether NDE
Weld Probes (PW) ETher NDE can offer a broad range of Eddy Current (ECT) Weld Probes including specially designed Eddy Current (EC...
Ether NDE
Bridge - Eddy Current Testing (ECT) - FHWA InfoTechnology
ECT is used to detect cracks in steel bridge members. Due to the magnetic properties of steel, only surface breaking or near surfa...
FHWA InfoTechnology (.gov)
Eddy Currents Probe Design for NDT Applications: A Review - PMC
Eddy current testing (ECT) is a non-destructive testing (NDT) technique that uses electromagnetic induction to assess the integrit...
National Institutes of Health (.gov)

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Eddy Current Weld Probes

NDTSupply.com

https://content.ndtsupply.com › assets › Uploads

NDTSupply.com

https://content.ndtsupply.com › assets › Uploads

PDF

Eddy current (ECT) Weld Probes allow welds to be efficiently inspected for near-surface cracks because the weld can be inspected through paint or metallic ...Read more

15 pages

Weld Probes

Evident Scientific

https://ims.evidentscientific.com › probes › eddy-current

Evident Scientific

https://ims.evidentscientific.com › probes › eddy-current

Weld probes offer sensitivity to flaws in varying orientations and may also be used as a general purpose surface probe on any ferrous material. Probes. Type.Read more

Missing: ~~ECT~~ ‎| Show results with: ECT

Bridge - Eddy Current Testing (ECT) - FHWA InfoTechnology

FHWA InfoTechnology (.gov)

https://infotechnology.fhwa.dot.gov › eddy-current-test...

FHWA InfoTechnology (.gov)

https://infotechnology.fhwa.dot.gov › eddy-current-test...

ECT is used to detect cracks in steel bridge members. Due to the magnetic properties of steel, only surface breaking or near surface-breaking cracks can be ...Read more

ECT Bobbin Probes

Eddyfi Technologies

https://www.eddyfi.com › product › ect-bobbin-probes

Eddyfi Technologies

https://www.eddyfi.com › product › ect-bobbin-probes

ECT probes can detect and enable you to size defects affecting tubing such as steam erosion, baffle cuts, pitting, and cracking.Read more

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Eddy Current Weld Probes, ECT Probes, UK

Ether NDE

https://ethernde.com › probes › weld-inspection › weld-...

Ether NDE

https://ethernde.com › probes › weld-inspection › weld-...

Eddy Current Weld Probes are specifically designed for the task of weld inspection of non-ferrous welds and steel structures. They can detect surface cracks on ...Read more

Straight Probes

90deg Inline Probes

90deg Right Angle Probes

ect 3000 power probe , to test for open circuits etc

MIG Welding - the DIY Guide

https://www.mig-welding.co.uk › forum › threads › ect-...

MIG Welding - the DIY Guide

https://www.mig-welding.co.uk › forum › threads › ect-...

Oct 11, 2020 — I have the power probe kit , great tool but it's not the best tool for finding open circuits IMHO . I do have a Snan on piece of kit that is made for the job.Read more

ECT system for weld inspection on tube mill line - Eddysun

ndtesteddysun.com

https://www.ndtesteddysun.com › ect-system-for-weld-in...

ndtesteddysun.com

https://www.ndtesteddysun.com › ect-system-for-weld-in...

Combined probe collects both the differential coil and the absolute coil in it. It can be used as two probes (one differential probe and one absolute probe) ...Read more

Eddy Current Testing (ECT) : A Complete Guide

Nord Welding & Engineering AS

https://nwegroup.no › eddy-current-testing-ect

Nord Welding & Engineering AS

https://nwegroup.no › eddy-current-testing-ect

Apr 26, 2025 — Eddy Current Testing (ECT) is a powerful NDT method used to detect surface and near-surface defects in conductive materials.Read more

Eddy Currents Probe Design for NDT Applications: A Review

National Institutes of Health (.gov)

https://pmc.ncbi.nlm.nih.gov › articles › PMC11398035

National Institutes of Health (.gov)

https://pmc.ncbi.nlm.nih.gov › articles › PMC11398035

by MA Machado2024Cited by 49 — Eddy Current Testing (ECT) leverages the changes in the magnetic field induced by eddy currents when they encounter heterogeneities within the material. As with ...Read more