STEST

EMC TEST LABORATORY

Standard Control and Testing Services
EMC Test Laboratory

Electronic and electrical products must comply with electromagnetic compatibility requirements in order to be placed on the market safely. An EMC test laboratory is a technical facility that tests, measures, and reports the electromagnetic emission and immunity performance of devices in accordance with national and international standards.

Failure to pass EMC testing may lead to interference problems in the field, system instability, and regulatory non-compliance risks. Therefore, working with a competent EMC test laboratory is not only a technical necessity but also a matter of commercial assurance.

What Does an EMC Test Laboratory Do?

An EMC test laboratory primarily performs two main groups of tests:

Emission Tests

These tests measure the electromagnetic disturbances emitted by a device into its environment.

  • Conducted Emission

  • Radiated Emission

  • Harmonic Current Tests

  • Flicker Tests

The objective is to verify that the product does not interfere with other systems and does not contribute to electromagnetic pollution.

Immunity Tests

These tests evaluate the resistance of a device to external electromagnetic disturbances.

  • ESD (Electrostatic Discharge)

  • EFT / Burst

  • Surge

  • Radiated Immunity

  • Conducted Immunity

  • Magnetic Field Immunity

The purpose is to demonstrate that the product operates safely and reliably under real-world field conditions.

What Are EMI and EMC?

EMI (Electromagnetic Interference) refers to unwanted electromagnetic disturbances generated by a device during operation. These disturbances may negatively impact the performance of other electronic systems.

EMC (Electromagnetic Compatibility) is the ability of a device to operate satisfactorily within its electromagnetic environment without causing unacceptable interference to other systems and while maintaining immunity to external disturbances.

EMI / EMC testing evaluates both aspects together to confirm safe and compatible system operation.

Purpose of EMI / EMC Testing

The primary objectives of EMI / EMC testing are:

  • Measuring electromagnetic emission levels

  • Evaluating immunity to external electromagnetic disturbances

  • Preventing interaction between systems

  • Demonstrating compliance with applicable standards

  • Ensuring operational safety

These tests directly affect not only product performance but also user safety.

EMI / EMC Tests Performed Within the Scope of STEST

At STEST, EMI / EMC testing is conducted to cover a wide range of electromagnetic scenarios:

Conducted and Radiated Emission Tests

Measurement of electromagnetic disturbances transmitted via cables and radiated into the surrounding environment.

Conducted and Radiated Immunity Tests

Evaluation of product resistance to externally generated electromagnetic fields.

Electrostatic Discharge (ESD) Tests

Analysis of the impact of static electricity discharges on device functionality.

Electrical Fast Transients (EFT/Burst) Tests

Measurement of the effects of sudden voltage transients on electronic circuits.

Surge (Lightning and Overvoltage) Tests

Assessment of system resistance to high-energy voltage impulses originating from power lines.

Magnetic Field and RF Immunity Tests

Evaluation of the impact of radio frequency fields and magnetic environments on device performance.

Importance of EMI / EMC Testing

Through EMI / EMC testing:

  • Compatibility between electronic systems is ensured

  • Failures and performance degradation are minimized

  • Certification processes are accelerated

  • Export and international market access are facilitated

  • Corporate credibility is strengthened

Particularly in defense and aerospace applications, electromagnetic compatibility is a fundamental requirement for operational success.

STEST provides comprehensive EMI / EMC testing services covering emission, immunity, ESD, EFT, surge, and RF evaluations, verifying that products operate safely within their intended electromagnetic environments.

Results obtained through accredited test processes demonstrate compliance with national and international standards, providing companies with quality assurance, reliability, and competitive advantage.

What Should Be Considered When Selecting an EMC Laboratory?

For corporate organizations, selecting the right EMC laboratory is critical in terms of both technical and financial risk management.

1️⃣ Scope of Accreditation

It must be verified that the applicable standard to be tested is included within the laboratory’s accreditation scope.

2️⃣ Technical Infrastructure

  • Semi-Anechoic Chamber

  • Conducted and Radiated Emission Measurement Systems

  • ESD Test System

  • EFT/Burst Test System

  • Surge Test System

  • Voltage Dips and Magnetic Field Test Infrastructure

3️⃣ Experienced Engineering Team

EMC testing requires not only measurement but also technical analysis and expert interpretation.

4️⃣ Reporting Quality

Reports must be accredited, traceable, and auditable in format and content.

As Standart Kontrol ve Test Hizmetleri A.Ş.:

  • Operating in accordance with TS EN ISO/IEC 17025

  • Accredited by TÜRKAK

  • Providing testing services in line with current national and international EMC standards

Why Choose Us?

✔ TÜRKAK-accredited EMC laboratory
✔ Up-to-date and calibrated test equipment
✔ Experienced EMC test engineers
✔ Pre-compliance and design validation support
✔ Fast scheduling and timely reporting

How Does the EMC Testing Process Work?

  1. Application and technical document review

  2. Quotation and planning

  3. Sample acceptance

  4. Execution of relevant tests

  5. Technical evaluation

  6. Issuance of the test report

If non-conformities are identified, technical improvement support is provided and re-testing can be scheduled accordingly.

Frequently Asked Questions (FAQ)

Can I have testing performed by a laboratory without ISO/IEC 17025 accreditation?
Yes; however, the international recognition of the test report and its validity during official inspections or regulatory audits may be at risk.
How long does EMC testing take?
The duration generally depends on the product characteristics and the applicable standard; in most cases, testing is completed within a few business days.
Are EMC and LVD the same?
No. EMC relates to electromagnetic compatibility requirements, whereas LVD addresses electrical safety requirements.
Does pre-compliance testing provide advantages?
Yes. Pre-compliance testing conducted during the design phase helps prevent costly modifications before mass production. Our laboratory also provides technical support for your R&D activities.