# The Lawnmowers (Harmonization of Noise Emission Standards) Regulations 1992, Paragraph 5: MEASURING INSTRUMENTS


The specifications laid down in Section 5 of Annex I are to be used, with the extra requirement added to point 5.3 that the external diameter of the microphone must not exceed 13 mm.

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Source: https://www.legislation.gov.uk/uksi/1992/168/schedule/3/part/2/paragraph/5 (the official version)
Page: https://openlegislation.uk/lawnmowers-harmonization-of-noise-emission-standards-regulations-1992/schedule-3/part-2/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.