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EMC Tests

With the New Approach Directives introduced by the European Union countries, various product groups have been identified and the scope of the conformity and safety studies required for these products have been determined. In addition, the application for the CE marking of these products has been initiated.

Within the scope of the New Approach Directives, the following three basic directives are considered:

             2006 / 42 / EC Machinery Safety Directive

             Low Voltage Directive 2006 / 95 / EC (LVD)

             Electromagnetic Compatibility Directive (EMC) of 2004 / 108 / EC

             Electromagnetic Compatibility Directive (EMC) of 2014 / 30 / EU

In our country, the Electromagnetic Compatibility Directive (2004 / 108 / AT) has been issued by the Ministry of Industry and Trade based on the Electromagnetic Compatibility (EMC) mentioned above.

The purpose of this regulation is to:

  •  To regulate the electromagnetic compatibility of electrical devices
  •  Ensure that consumers are provided with electrical or electronic devices at a specified level of electromagnetic compatibility

In this context, electromagnetic compatibility tests are required devices:

      Devices that emit electrical or electromagnetic waves around the workplace

      Devices affected by a device that emits electrical or electromagnetic waves around the system

      Devices that are mobile or installed in a specific location according to their operating mode and are to be used continuously

As computer and communication technologies develop, many electrical or electronic devices have to work together today. Naturally, it is inevitable that these tools work close to each other and affect each other or be influenced by each other. It has now been revealed that the electromagnetic fields emitted by these devices affect many organs from DNA to human structure and damage the immune system.

It is attempted by authorized testing and inspection bodies to identify the effects and the effects of electromagnetic waves emitted by electrical and electronic devices as described above. The main purpose of the tests is to determine the electromagnetic disturbance effect of these devices.

Within this framework, our organization also conducts numerous EMC tests, measurements and controls within the scope of electromagnetic compatibility. For this purpose The services provided are in the following table:


EMC Tests

EMI tests

Electrostatic discharge tests

EMF tests

Non-reflective room tests

RF tests

Immune tests by conduction

Radiated emission tests

Immune cage tests

Conducted emission tests

Transmitted emission tests

Emission tests

Click tests

Immunity tests

Harmonic flick tests

Conducted immunity tests

Open field tests

Radiated immunity tests

Immunity tests

Radiated magnetic field tests

Broadcast tests

Radiated RF field immunity tests

Radiation emission tests

CISPR tests

Emission tests with conductivity

Power frequency magnetic field immunity tests

Immunity tests

Electrostatic discharging ESD tests

Immunity conductivity tests


our organization This is EMC test workis in compliance with the standards and test methods published by the domestic and foreign institutions. In the meantime, our organization, ÖSAS Accreditation Agency, It is accredited according to TS EN ISO / IEC 17025 standard and the tests, measurement, analysis, inspection and inspection procedures and reports are accepted as valid in private and official audits.




What is Electromagnetic Compatibility (EMC)? 

Electromagnetic compatibility can be defined as any kind of effect which will not create an electromagnetic interference in the case of the creation, transmission and reception of electromagnetic energy. 

Electromagnetic compatibility has become a very important criterion for the marketing of an electronic product as a result of the standards. If a product does not meet the electromagnetic compatibility requirements of any country, the product cannot be sold in those European Union countries. This standard, created by the European Union CENELEC and IEC, is known to be accepted by the EMC test in other continents, although it covers the European Union.


What is Electromagnetic Interference (EMI)?

Electromagnetic interference EMI can be defined as any natural or man-made disturbance or signal on radio frequencies that lead to reductions, disturbances, or malfunctions in the performance of electrical and electronic equipment.

To give examples of electromagnetic interference from daily life; When listening to the radio, the radio radios can intervene, mobile phones affect the ABS systems, leakage in the print circuits, noise in the computer while talking to the mobile phone can be listed. 

For a device to be considered electromagnetic compliant, 3 is a must: 

► Not to cause interference in itself (self-compliance). 

► Do not attempt to interfere with other devices.

► be immune to interference from other devices. 

Electromagnetic Compatibility (EMC) means that a device or system continues to operate in an electromagnetic environment without causing interference or interference. In other words, the device or system does not affect other devices or systems while they are running and cannot be affected by their operation.


Electromagnetic interference is observed as a result of the electromagnetic environment in which the device is affected. All electromagnetic events occurring in a certain region create the electromagnetic environment of that region. The main effects of this electromagnetic environment can be said as EMI and EMC. If we want to characterize the electromagnetic environment, we come across 2 elements: 

► Frequency / Time 

► Amplitude (intensity of electromagnetic energy or voltage-current value, etc.) 


EMI and EMC Verification Tests 

There are various tests on electromagnetic compatibility and interference, both at the device level and at the platform and system level. The criteria used in these tests are EMI - EMC Standards. These standards are the main determinants of the electromagnetic quality of the product. The standards include two important elements: 

► Test limit values.

► Test methods.


Separate standards are available for military devices, while commercial standards are available. EMI - EMC testing has two aspects: 

► Emission 

► Insensitivity (Immunity)