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Eddy Current Probes

Eddy Current Probes

Eddy Current Probes


Non-Destructive Testing (NDT) plays a crucial role in various industries by ensuring the quality and integrity of materials, components, and structures without causing damage. Eddy current testing is one of the commonly used NDT techniques, and it requires specialized equipment such as eddy current probes. In this article, we will explore what eddy current probes are, their applications, and highlight NDT and PWHT Solutions, a leading company specializing in the rental of these products overseas.


What are Eddy Current Probes?

Eddy current probes are devices used in eddy current testing, a non-destructive testing technique that relies on electromagnetic induction to detect surface and subsurface defects or variations in conductive materials. These probes consist of a coil or a series of coils that generate a magnetic field when an alternating current passes through them. When the probe is brought close to a conductive material, any defects or changes in the material’s conductivity will induce eddy currents within the material. These eddy currents, in turn, create a secondary magnetic field that interacts with the probe’s primary field. By measuring the changes in the probe’s impedance or other parameters, it is possible to identify defects or variations in the material being tested.


Applications of Eddy Current Probes:

Eddy current probes find applications in a wide range of industries, including aerospace, automotive, power generation, manufacturing, and more. Some common applications include:

Crack Detection: Eddy current probes are used to detect cracks, flaws, and discontinuities on the surface or just below the surface of conductive materials. They can efficiently identify cracks in welds, heat-affected zones, and critical components, ensuring the structural integrity of the inspected objects.

Material Sorting and Verification: Eddy current probes are used for sorting and verifying conductive materials based on their electrical conductivity and other properties. This is particularly useful in industries where different grades of materials need to be identified and segregated.

Coating Thickness Measurement: By measuring the impedance changes caused by variations in coating thickness, eddy current probes can accurately determine the thickness of non-conductive coatings on conductive substrates. This is useful in applications where the protective coatings need to meet specific standards or when evaluating corrosion or wear levels.

Heat Treatment Evaluation: Eddy current probes can assess the quality and effectiveness of heat treatment processes, such as post-weld heat treatment (PWHT). They can detect anomalies, such as improper heat treatment or incomplete diffusion, which may compromise the material’s mechanical properties.


NDT and PWHT Solutions: Rental of Eddy Current Probes Overseas

NDT and PWHT Solutions is a reputable company specializing in non-destructive testing and post-weld heat treatment solutions. With their extensive expertise and commitment to quality, they are the go-to choice for renting eddy current probes overseas. Here’s why they excel in delivering these products:

Wide Range of Probes: NDT and PWHT Solutions offer a diverse selection of eddy current probes suitable for various applications. Their inventory includes probes of different sizes, frequencies, and configurations, allowing customers to find the ideal probe for their specific testing requirements.

Quality Assurance: The company ensures that all their rental eddy current probes are well-maintained, calibrated, and in optimal working condition. They follow rigorous quality control measures to guarantee reliable and accurate testing results for their customers.

Expert Technical Support: NDT and PWHT Solutions has a team of experienced professionals who are well-versed in the field of NDT. They provide comprehensive technical support and guidance to customers, ensuring they make the most of the rented eddy current probes and achieve effective testing outcomes.

Global Reach: NDT and PWHT Solutions have established a strong presence and network overseas, making them an excellent choice for companies requiring eddy current probes on a rental basis. Their efficient logistics and reliable delivery ensure that the rented equipment reaches its destination promptly, enabling customers to meet their project deadlines.



Eddy current probes are indispensable tools in non-destructive testing, offering valuable insights into the quality and integrity of conductive materials. NDT and PWHT Solutions, a leading company specializing in the rental of these probes overseas, provides high-quality equipment, expert technical support, and global reach. By choosing their services, companies can effectively utilize eddy current probes for their testing needs and ensure the integrity of their products and structures.

Eddy current probes consist of the acquired brands of Nortec and NDT Engineering. We offer more than 10,000 standard and custom designed eddy current probes, standard references, and accessories.