EMC radiation and resistance tests

The term electromagnetic compatibility defines:

• the ability of the equipment to perform correctly in an environment in which other sources of electromagnetic radiation are present,
• the ability not to unacceptably influence its surroundings by its own activity, i.e. not to emit signals that could interfere with other devices.

Although scientists have been working on electromagnetic compatibility since the 1960s, it was at that time only a scientific discipline of a narrow circle of experts. The importance of electromagnetic compatibility of equipment has grown rapidly with the rapid development of microprocessor and communications technology.

As a manufacturer of equipment for critical infrastructure systems, we are fully aware of the importance of electromagnetic compatibility. The developed devices are first subjected to pre-certification tests in our laboratory followed by verification tests by an independent testing laboratory.

Most commonly used EMC standards

• EN 55024 - Information technology equipment - Resistance characteristics - Limits and methods of measurement
• EN 50121-4 - Railway applications - Emission and immunity of signalling and communication equipment
• EN 55016-2-1 - Methods for measuring interference and resistance - Measurement of line disturbances
• EN 61000-4-2 – Contact discharge - Endurance test
• EN 61000-4-2 – Air discharge - Endurance test
• EN 61000-4-3 – Radiated high frequency electromagnetic fields - Endurance test
• EN 61000-4-4 – Fast electrical transients/pulse groups - Endurance test
• EN 61000-4-5 – Shock pulse - Endurance test
• EN 61000-4-6 – Resistance to line-propagated interference induced by high-frequency fields
• EN 61000-4-8 – Magnetic field of mains frequency - Endurance test
• EN 61000-4-9 – Magnetic field pulses - Endurance test
• EN 55032 – Electromagnetic compatibility of multimedia equipment - Emission requirements