We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for EMC Testing.
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EMC Testing Product List and Ranking from 8 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

EMC Testing Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

  1. インターテックジャパン Tokyo//Service Industry
  2. UL Japan Tokyo//Testing, Analysis and Measurement
  3. 長尾産業 Ibaraki//Trading company/Wholesale
  4. 4 e・オータマ 東京試験所 Kanagawa//Testing, Analysis and Measurement
  5. 4 トーア電子 Aichi//Electronic Components and Semiconductors
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EMC Testing Product ranking

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

  1. EMC test インターテックジャパン
  2. EMC testing of in-vehicle equipment for EV/HV. UL Japan
  3. EMC/Wireless Testing UL Japan
  4. 4 [Data] EMC Testing for In-Vehicle Equipment - Basic Standards Required by Various Automobile Manufacturers UL Japan
  5. 4 Introduction to EMC Testing (Noise Testing) by Nagao Industries 長尾産業

EMC Testing Product List

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EMC test

EMC test

With over 30 years of experience, our skilled engineers provide strong support from EMC testing to noise countermeasures.

For anything related to EMC, whether it's witnessed testing or entrusted testing (non-witness) at our EMI/EMS testing facilities in Kashima, Nagano, Matsuda, and Tochigi, or on-site testing at a location specified by the customer, please leave it to us! ■ EMC compliance testing and application agency services for overseas markets, including Japan (VCCI), North America (FCC), Europe (CE), and Taiwan (BSMI) ■ Various EMC countermeasure support ■ Other various on-site measurements (performance and shielding measurements in anechoic chambers, environmental noise measurements, etc.)

  • Contract measurement
  • EMC Testing

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Automotive electronic equipment EMC testing

Automotive electronic equipment EMC testing

It is possible to obtain E-mark certification quickly and at a low cost! It complies with the standards of each automobile manufacturer.

Cosmos Corporation's "In-Vehicle EMC Testing" is an A2LA [ISO/IEC17025] accredited testing laboratory. We can also obtain the E-mark (R10), and we are a registered testing laboratory for major domestic automobile manufacturers, allowing for flexible testing options. Please feel free to contact us. 【Supported Items】 ■ In-vehicle emission testing ■ In-vehicle radiated immunity testing ■ In-vehicle near-field illumination testing ■ In-vehicle magnetic field immunity testing ■ In-vehicle radar pulse radiation and immunity testing *For more details, please refer to the PDF document or feel free to contact us.

  • Other electronic parts
  • Electrical equipment parts
  • Other Auto Parts

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EMC testing of in-vehicle equipment for EV/HV.

EMC testing of in-vehicle equipment for EV/HV.

One-stop service for EMC testing, wireless testing, and high voltage electrical testing in compliance with various automotive manufacturer standards.

The Kashima EMC Testing Laboratory has constructed a next-generation mobility building equipped with two "EHV Chambers" capable of conducting EMC tests under real load environments that simulate driving conditions, starting operations in January 2020. With this equipment enhancement, EMC tests compliant with CISPR 25:2016 Ed.4 Annex I, ISO 11452-2 Ed.3 Clause 8, and GB/T 36282 will be possible. In addition to EMC testing, we have high-voltage equipment capable of testing LV 124, LV 123, and LV 148. We also offer wireless testing, allowing vehicle manufacturers to receive all required tests in a one-stop service. The next-generation mobility building will feature three anechoic chambers for vehicle use (including the two EHV Chambers) and three electrical testing rooms. The EHV Chambers are equipped with fixed dynamometers capable of reproducing real loads up to 125 N·m/12,000 rpm and a power absorption capacity of 170 kW. The dynamometer's gearbox has been redesigned to be placed outside the anechoic chamber, minimizing the size of metal objects located inside the chamber. This allows for measurements that are less affected by metal objects.

  • Kashima_2_220.png
  • Public Testing/Laboratory

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[Data] EMC Testing for In-Vehicle Equipment - Basic Standards Required by Various Automobile Manufacturers

[Data] EMC Testing for In-Vehicle Equipment - Basic Standards Required by Various Automobile Manufacturers

We offer EMC testing for automotive electrical and electronic devices! Basic standards required by various automobile manufacturers are listed.

This document introduces the basic standards required by various automobile manufacturers regarding EMC testing for automotive equipment. It includes basic reference standards such as radiated emission measurements based on CISPR25, as well as TEM cell tests, GTEM cell tests, and BCI tests. UL Japan offers EMC testing for automotive electrical and electronic devices based on many years of experience and a wealth of achievements. [Contents (excerpt)] ■ Emission measurements ■ Radiated immunity tests ■ TEM cell tests ■ GTEM cell tests ■ BCI tests *For more details, please refer to the PDF document or feel free to contact us.

  • EMC Testing

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[On-Demand Seminar] (Beginner Level) Automotive EMC Regulation Seminar

[On-Demand Seminar] (Beginner Level) Automotive EMC Regulation Seminar

This seminar will introduce topics such as EMC testing for automotive equipment, human exposure, and reliability testing, under the theme of "First-Time Automotive EMC Testing."

In recent years, the electrification and electrification of automobiles, as well as the digitization of in-vehicle products, have been rapidly advancing. As a result, it has become urgent for each manufacturer to conduct conformity assessment tests based on necessary standards and obtain certification. Especially for in-vehicle products, it is necessary to comply with required international standards, regulations of various countries and regions, and the standard requirements from automobile manufacturers. This seminar will provide an overview of EMC evaluation, which is one of the essential requirements. *This PDF (presentation material) contains links to video viewing.*

  • EMC Testing

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Introduction to EMC Testing (Noise Testing) by Nagao Industries

Introduction to EMC Testing (Noise Testing) by Nagao Industries

We will propose the optimal EMC testing plan for our customers. EMC testing brochures are currently available.

We would like to introduce our "EMC Testing (Noise Testing)" service◎ EMC testing is a test that verifies the following two items: 1. Whether the electromagnetic waves generated by the "electronic device (test subject)" affect "another electronic device." 2. Whether the electromagnetic waves emitted by "another electronic device" cause "itself (the test subject)" to malfunction. Nagao Industries leverages its strengths as a "technical trading company" to collaborate with multiple partner testing organizations and propose optimal EMC testing plans◎ (including adjustments to testing conditions and schedules, etc.) Please feel free to consult with us first◎ (We also respond quickly to urgent requests, such as checking the availability of multiple testing sites.) *For more details, please refer to the brochure (PDF) or contact us through our website.

  • EMC Testing
  • Magnetic field analysis/electromagnetic wave analysis
  • Electromagnetic analysis contract

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[Introductory Edition] Basic Knowledge of EMC Testing

[Introductory Edition] Basic Knowledge of EMC Testing

What is an EMC test? What is noise? A beginner's guide to perfectly resolving these questions!

In today's world where electronic devices are widespread, the importance of EMC is increasing. Don't you think that when you look into EMC, it is filled with technical terms that are hard to understand? Therefore, this document has been created with content that is easy for anyone to understand, avoiding technical jargon as much as possible. It will be useful not only for beginners but also for those who are struggling to explain the overview of EMC. Additionally, our company has established a simple EMC testing room in Toyoake City, Aichi Prefecture, where we can conduct tests such as EMS testing, EMI testing, and electrostatic testing. *Please check the related links for an overview of the testing site and details on the testing items, or feel free to contact us.

  • EMC Testing
  • EMC countermeasure products
  • EMS

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EMC Test "Vehicle EMC"

EMC Test "Vehicle EMC"

Full support for EMC testing of automotive electronic devices! We also handle various automotive manufacturer standards!

e-Otama conducts EMC testing for automotive electronic devices based on ISO17025. In the metropolitan area, the Nobuto Testing Laboratory is equipped with a 3m method anechoic chamber and a shielded room, and the Tokyo Testing Laboratory also has a 3m method anechoic chamber, a simple anechoic chamber, and a shielded room. Experienced engineers familiar with testing, circuit design, and board/case design will respond to the special EMC tests required by each automobile manufacturer. We provide detailed support, including noise countermeasure assistance and proposals for reducing testing time, as well as ensuring thorough confidentiality measures. We offer reliable and trustworthy testing quality. 【List of Applicable Services for Automotive Electronic Device EMC Testing (Excerpt)】 ■Radiated Emission ■Conducted Emission ■Conducted Transient Emission ■Radiated Immunity ■Conducted Immunity *For more details, please refer to the PDF document or feel free to contact us.

  • EMC Testing
  • others

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EMC and Radio Testing: ISO/IEC 17025 Accredited Laboratory

EMC and Radio Testing: ISO/IEC 17025 Accredited Laboratory

Tests are conducted with high-precision equipment, and experienced engineers can provide support until the problem is resolved.

We provide certification testing for various EMC standards and wireless standards, including wireless-equipped products, using facilities accredited under ISO/IEC 17025 and trained engineers. ■EMC Testing We conduct compliance testing for each product group using high-precision 10m anechoic chambers and other facilities. ■Wireless Testing We support various standards required for wireless communication devices, including SAR (Specific Absorption Rate). ■Problem-Solving Support With cutting-edge evaluation and measurement environments, our experienced technical experts assist in problem-solving. Thanks to our unique high-speed EMI measurement system, we can conduct tests in a short period, allowing us to respond quickly to urgent requests. For more details, please download our catalog or feel free to contact us.

  • EMC Testing
  • Public Testing/Laboratory

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EMC/Wireless Testing

EMC/Wireless Testing

One-stop service for on-site measurements, requests, and compliance with radio laws in various countries.

UL Solutions supports a wide range of products, from IT/AV equipment to wireless devices, automotive/construction machinery, and medical devices. Our specialists, based on proven results and experience, provide meticulous support not only for testing but also for certification acquisition. 【Features】 - Wide range of products supported, from IT/AV equipment to wireless devices, automotive/construction machinery, and medical devices - Support for both testing and certification acquisition - Testing laboratory operates based on the ISO/IEC 17025 standard - Support for overseas expansion 【Benefits of Using UL Solutions】 The UL Solutions EMC testing laboratory is accredited by the U.S. NVLAP, the Japan Accreditation Board (JAB), and A2LA, based on the operational standard ISO/IEC 17025. We meet various requests for a wide range of products, from IT/AV equipment to wireless devices, automotive/construction machinery, and medical devices, including compliance with general EMC standards and radio wave regulations in various countries. Specialists with iNARTE (EMC technical qualification) provide meticulous support tailored to each customer's needs. *For more details, please refer to the PDF document or feel free to contact us.

  • 電波暗室_Z6A7959.jpg
  • 校正チラシ用.jpg
  • EMC Testing

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EMC Test "Defense, Aerospace, and Space EMC"

EMC Test "Defense, Aerospace, and Space EMC"

Necessary for product commercialization of electrical and electronic devices and certification compliance for overseas expansion!

At e-Otama, we provide EMC testing services in the defense and aerospace sectors. We possess emission measurement equipment that is so advanced it is used as a model for open site technical documentation by VCCI, and our engineers are dedicated to ensuring high-quality testing services with a strong emphasis on data reproducibility. We conduct tests in accordance with representative testing standards, including MIL standards, which are sometimes self-applied to general products, as well as RTCA (aviation equipment standards). Our Nobuto testing facility features dedicated testing rooms specialized in this field, staffed by engineers who are well-versed in MIL standards and have extensive experience. 【Main Testing Categories】 ■ Conducted Interference ■ Radiated Interference ■ Conducted Susceptibility ■ Radiated Susceptibility ■ Conducted Transient Immunity Susceptibility *For more details, please refer to the PDF materials or feel free to contact us.

  • EMC Testing
  • others

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Customer Feedback: Tokyo Aviation Instruments Co., Ltd.

Customer Feedback: Tokyo Aviation Instruments Co., Ltd.

I feel that I can trust here! Let me introduce some customer testimonials.

We would like to introduce the voice of Tokyo Aviation Instruments Co., Ltd., which develops advanced electronic equipment for aircraft, such as CVFDRs that record autopilot, flight information, and voice, as well as instruments in the cockpit, and provides them to domestic and international aircraft manufacturers, system integrators, and equipment manufacturers. The company has its own shielded room and conducts tests in-house. There was always a lingering anxiety about whether this interpretation was correct and whether there were any mistakes in the data measured using this method. "We wanted to hear opinions from experts regarding the facilities of overseas sites, so it was very helpful," we received this feedback. [Case Overview] ■ Issue: There was a need for experts to evaluate the EMC tests conducted in-house. ■ Trigger: The company began to request testing services from external third-party organizations. *For more details, please download the PDF or feel free to contact us.

  • EMC Testing

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Customer Feedback: Bosch Corporation

Customer Feedback: Bosch Corporation

Responding to the rapid increase in exam requests through outsourcing! Here are some customer testimonials.

We would like to introduce the voice of Bosch Corporation, the Japanese subsidiary of the Bosch Group. Although the company did not initially require EMC testing, the integration of microcontrollers into sensors led to a sudden increase in EMC testing requests from automotive manufacturers, prompting them to outsource to external specialized organizations. "We were in a situation where we had to conduct tests desperately every day to meet deadlines, but our engineers worked hard together, and we managed to complete everything on time," is the feedback we received. 【Case Overview】 ■ Challenges - A sudden increase in EMC testing requests from automotive manufacturers - Initially conducting tests in-house using their own anechoic chamber, but unable to keep up, leading to outsourcing to external specialized organizations ■ Results - Tests that took 2 to 3 days were completed in half a day to 1 day *For more details, please download the PDF or feel free to contact us.

  • EMC Testing

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