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EN 50147-1 includes Amendment A1:1998. Free versions online often omit this amendment, leading to outdated testing methods. The official PDF includes all corrigenda.
: Recommended test frequencies typically include 10 kHz, 100 kHz, 1 MHz, 10 MHz, and 30 MHz . en 50147-1 pdf
Keep in mind that EN 50147-1 is a technical standard, and understanding its requirements may require expertise in EMC and electrical engineering. If you're unsure about the standard or its application, consult with a qualified professional or contact the relevant authorities. EN 50147-1 includes Amendment A1:1998
Several academic papers and technical guides discuss its application, uncertainty, and limitations: Academic Papers and Research Critical Aspects of the Uncertainty Budget en 50147-1 pdf