BS-EN-55011 Historical Revision Information
Industrial, scientific and medical equipment. Radio-frequency disturbance characteristics. Limits and methods of measurement

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BS EN 55011 applies to industrial, scientific and medical electrical equipment that operates in the frequency range 0 Hz to 400 GHz. The standard also includes domestic and similar appliances designed to generate and use radiofrequencies.  BS EN 55011 covers emission requirements related to radio disturbances in the frequency range of 9 kHz to 400 GHz, and 9 kHz to 18 GHz for ISM RF applications.

How does it work?

BS EN 55011 first looks at the frequencies designated for ISM use, before explaining the different classification systems. The standard then outlines the limits of electromagnetic disturbances, measurement requirements and special provisions for test site measurements. It also looks at the radiation measurements in the frequency range of 1 GHz to 18 GHz, safety precautions that should be taken and the assessment of equipment conformity.

Who should buy it?

    Manufacturers of industrial, scientific and medical electrical equipment
    Product testers
    Noise inspectors
    Regulatory bodies


Field strength (electric);Electrical equipment;Radio disturbances;Cooking appliances;Arc-welding equipment;Classification systems;Emission;Electrical medical equipment;Electrical wave measurement;Heaters;Electric terminals;Noise (spurious signals);Radiofrequencies;Low-voltage equipment;Frequency measurement;Antennas;Industrial;Laboratory equipment;Electromagnetic compatibility;Safety measures;Conformity;Test equipment;Statistical methods of analysis;Voltage measurement;Bandwidths;Electromagnetic radiation;Domestic;Microwave devices;Testing conditions

To find similar documents by classification:

33.100.10 (Emission)

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Document Number

BS EN 55011:2016+A11:2020

Revision Level

2016/A11 EDITION



Publication Date

March 10, 2020


BS EN 55011:2016+A1:2017

Replaced By

BS EN 55011:2016+A2:2021

Page Count




International Equivalent

EN 55011:2016/A11:2020

Committee Number