Jon Bertrand wrote: > > > > Lots of people are saying EN55011. I must really be missing > something. > > EN55011's title is: > > Limits and Methods of measurement of radio disturbance characteristics > of industrial, scientific and medical (ISM) radio-frequency equipment. > > Note the _radio-frequency_ designation. > > Section 4 says: > > Classification of ISM equipment. > > [blah, blah] > > 4.1 Separation into groups > > Group 1 ... equipment in which there is intentionally generated and/or > used conductively coupled radio frequency energy which is necessary > for the internal functioning of the equipment itself. > > Group 2 ... equipment in which radio frequency energy is intentionally > generated and/or used in the form of electromagnetic radiation for the > treatment of material, and spark erosion equipment. > > > > Does your device use RF energy to do the work you need done? If not > then you don't use EN55011. > > My experience is way too many people use EN55011 because of the ISM > label. It's for surgical knives (spark gap knives) and spectrum > analyzers. > > > Does this sound correct? > > Jon Bertrand > [email protected] > >You are quite correct John. Many people do incorrectly use EN 55011 for >general laboratory equipment, and fail to realize that it applies to devices >that use RF energy.
It is a shame though that European EMC standards have such vague and sometimes overlapping scopes. If you read the scope of EN55104 for example, it seems it could be applied to all most all residential, commercial and light industrial equipment. Regards, Simon Rate EMC Manager Intertek Testing Services, Los Angeles. > >
