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  1. Home
  2. Industrial Electrical Equipment
  3. Eddyfi Technologies ジャパンオフィス
  4. Application Note: DefHi ECA Probe for Defect Detection in Capacitor Fine Tube Welds [PDF Download Available]
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  • Mar 09, 2024
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Mar 09, 2024

Application Note: DefHi ECA Probe for Defect Detection in Capacitor Fine Tube Welds [PDF Download Available]

Eddyfi Technologies Eddyfi Technologies ジャパンオフィス
Currently, seamless welded tubes are commonly used in capacitors. These tubes are prone to defects along the weld seam, such as axial cracks, blowholes, poor fusion, and inadequate melting. These defects make it difficult to achieve accurate sizing and classification assessments with standard eddy current bobbin probes. The reason is that the bobbin coil provides an average response over 360°, and the proportion of the weld defects relative to the entire tube wall being inspected by the probe is very small. To address this issue, Eddyfi Technologies has developed the "DefHi Probe," an eddy current array probe that uses multiplexing.
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Related Documents

【アプリケーションノート】 DefHi ECAプローブによるコンデンサー細管溶接部の欠陥検出.pdf[1594497]

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Powerful. Efficient. Intuitive. Equipped with AI-ECT module.

For the past 10 years, the Magnifi software, which is a market leader with innovative and advanced features, has continued to empower non-destructive inspectors around the world. • Ready to use on-site A well-organized, easy setup workflow • High precision Automatically detects and marks signals for defects, tube sheets, and supports • Enjoy excellent data quality Verification and automatic screening of full-length tube inspection data • Quickly grasp critical indications Streamlined grouping of indications and tube classification features • Reduce the risk of missing defects An AI-based detection module that finds more indications An AI tool developed as an assist feature, ensuring analyst involvement and complete control

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Eddyfi ECTANE3 Electromagnetic Application Non-Destructive Testing Device

New model debut: Innovation in heat exchanger small tube inspection using the latest Remote Field Array (RFA) and AI-ECT!

Ectane has over 1,000 delivery records spanning more than 10 years. The third-generation unit supports the tenth technology, Remote Field Array (RFA) technology, enabling advanced inspection of heat exchanger tubes. Unmatched Power and Flexibility Ectane is the world standard in electromagnetic application inspection of tubes and surfaces. This equipment offers a wide frequency range from 5 Hz to 10 MHz, 8 channel inputs, and up to 32 time slots, accommodating a broad range of applications. The modular design of Ectane 3 comes in 11 models, selectable to meet inspection needs, and is available in three different array configurations: 64 elements, 128 elements, and 256 elements, supporting 10 different inspection techniques. Wide Range of Applications Performs 10 types of inspection techniques: ECT, ECA, TECA, NFT, NFA, RFT, RFA, MFL, MFLA, IRIS. RFA, the Emergence of Advanced Inspection Technology The Remote Field Array (RFA) using a patent-pending low-frequency multiplexer is an inspection technology that only Ectane 3 can provide. It delivers high-resolution C-scan imaging for carbon steel tube heat exchanger inspections.

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Eddyfi Technologies ECT Probe for Small Tube Inspection

Global leader in eddy current testing, ECT probe for tube inspection by Eddyfi Technologies.

Non-destructive testing (NDT) of critical components is an essential technology for health and safety management in industries such as power generation, including nuclear, oil and gas, and aerospace. With world-class engineering, rapid production capabilities, and advanced inspection technology as our background, we provide our customers with advanced electromagnetic application inspection hardware and software that offer the highest performance and reliability, which are indispensable to their businesses.

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Defect detection of capacitor fine tube welds using the DefHi ECA probe.

A reliable C-scan display enables rapid detection, sizing, and classification of defects in welds.

Condenser tubes made from seam-welded thin pipes are generally cheaper than conventional condensers that use seamless pipes. However, there is a significant weakness in the welding along the axis of the pipe. Currently, thin seam-welded pipes made of SUS304 and SUS316 stainless steel or titanium are commonly used in condensers. These thin pipes are prone to defects along the weld seam, such as axial cracks, blowholes, poor melting, and poor fusion. *For detailed information, please refer to the PDF materials. For more information, feel free to contact us.*

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Eddyfi Technologies ECT Probe for Small Tube Inspection

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Please take a look at the technical document for the leak test, the "Technical Manual"!

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Fukuda Co., Ltd., which develops, manufactures, and sells leak testing equipment to inspect airtightness and sealing performance, provides a technical document that clearly explains the methods and theories of airtight testing, titled "Technical Manual." We are offering it as a PDF file. Please take this opportunity to download and view it!

Jul 07, 2026

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Please take a look at Fukuda's electric air regulator and regulator!

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Fukuda's leak test, leak inspection, leak detection, leak test, integrity test.

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Jul 07, 2026

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Hino Smart Cabinet

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The Hino Smart Cabinet provided by Nichinichi Shimizu Machinery Co., Ltd. is a material management solution that allows for the management of factory tools and consumables like a vending machine. This system automates inventory management and ordering processes, preventing the risk of production stoppages due to stockouts and significantly reducing the burden of inventory tasks. The cabinet comes in various types, such as drawer-type and spiral-type, allowing for the proper storage of drills, measuring instruments, protective gear, and more according to their intended use. Furthermore, the history management function through user authentication accurately tracks "who took out what and when," contributing to loss prevention and cost reduction. Operating 24/7 with no maintenance required, it is introduced as an efficient tool to promote the digital transformation (DX) of factories.

Jul 07, 2026

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Hyper CLT flooring panel

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In civil engineering sites, there are many instances where temporary roads, access routes, heavy machinery work yards, and material storage areas use wooden boards. Until now, steel plates have been widely used, but their weight poses challenges in terms of transportation, installation, and removal. Hyper CLT boards are wooden civil engineering CLT materials that utilize timber. As temporary boards for civil engineering applications, they can be used for mud prevention, ground protection, and ensuring work pathways. The 5×10 board weighs about 230 kg, and the 5×20 board weighs about 460 kg, making them lightweight and easy to handle even with small machinery, which helps reduce the burden of on-site work and promotes labor savings. Additionally, as a material, it is easy to propose in terms of environmental considerations such as glare reduction, noise reduction, and CO2 fixation, thanks to the characteristics of wood. In public works, it can also be utilized as a material for creative ideas and safety measures. Hyper CLT boards are registered technology with the Ministry of Land, Infrastructure, Transport and Tourism under NETIS "TH-250021-A." They are recommended for companies considering wooden boards, wooden temporary materials, civil engineering applications, and civil engineering CLT. We also accept consultations for implementation tailored to site conditions and requests for materials. Please consider them as an alternative to steel plates for public works and private civil engineering projects. We can also make proposals for sites inside and outside Okayama Prefecture. Feel free to contact us.

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