{"id":3234,"date":"2023-01-04T16:22:40","date_gmt":"2023-01-04T15:22:40","guid":{"rendered":"https:\/\/www.gt-engineering.it\/normative-tecniche\/%tipologia_normativa%\/en-iso-3740\/"},"modified":"2023-07-24T15:18:37","modified_gmt":"2023-07-24T14:18:37","slug":"en-iso-3740","status":"publish","type":"normativa_tecnica","link":"https:\/\/www.gt-engineering.it\/en\/technical-standards\/en-iso-standards\/en-iso-3740\/","title":{"rendered":"EN ISO 3740: Determination of Sound Power Level"},"content":{"rendered":"\n\n \n \n \n
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\n

 <\/p>\n

The standard EN ISO 3740<\/strong>, published in march 2019, replaces the previous version EN ISO 3740:2002. <\/p>\n

 <\/p>\n

This standard gives the guidelinees<\/strong> for the use and selection of a set of international standards regarding differen methods for determining sound power levels<\/strong> from all type of machinery, equipment and products.<\/p>\n

The guidelinees described in this standard are applied to airborne<\/strong> sound.<\/p>\n

 <\/p>\n

 <\/p>\n

The standards taken into consideration from EN ISO 3740 are: <\/p>\n

    \n
  • ISO\/TS 7849-1,-2: “<\/span><\/span><\/strong>Determination of airborne sound power levels emitted by machinery using vibrations measurements”<\/span><\/span><\/span><\/strong><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n
  • ISO 3741: <\/span><\/span><\/strong>“Determination of sound power levels and source energy levels of noise sources using sound pressure – Precision methods for reverberation test rooms”<\/span><\/span><\/span><\/strong><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n
  • ISO 3743: <\/span><\/span><\/strong>“Determination of sound power levels and source energy levels of noise sources using sound pressure – Engineering methods for small movable sources in reverberant fields”<\/span><\/span><\/span><\/strong><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n
  • ISO 3744: <\/span><\/span><\/strong>“Determination of sound power levels and source energy levels of noise sources using sound pressure – Engineering methods for an essentially free field over a reflecting plane”<\/span><\/span><\/span><\/strong><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n
  • ISO 3745: <\/span><\/span><\/strong>“Determination of sound power levels and source energy levels of noise sources using sound pressure – Precision methods for anechoic and semi-anechoic rooms”<\/span><\/span><\/span><\/strong><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n
  • ISO 3746: “<\/span><\/span><\/strong>Determination of sound power levels and source energy levels of noise sources using sound pressure – Survey method using an enveloping measurements surface over a reflecting plane”<\/span><\/span><\/span><\/strong><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n
  • ISO 3747: “<\/span><\/span><\/strong>Determination of sound power levels and source energy levels of noise sources using sound pressure – Engineering\/survey methods for use in situ in a reverberant environment”<\/span><\/span><\/span><\/strong><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n
  • ISO 9614-1,-3: “<\/span><\/span><\/strong>Determination of sound power levels of noise sources using sound intensity”<\/span><\/span><\/span><\/strong><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/div> <\/div>\n \n \n
    <\/div>\n \n\n <\/div>\n <\/section>\n\n \n","protected":false},"excerpt":{"rendered":"

     <\/p>\n

    The standard EN ISO 3740, published in march 2019, replaces the previous version EN ISO 3740:2002. <\/p>\n

     <\/p>\n

    This standard gives the guidelin…<\/p>\n","protected":false},"author":1,"featured_media":2098,"parent":0,"menu_order":50,"template":"","meta":{"_acf_changed":false,"footnotes":""},"normative-tecniche":[57],"class_list":["post-3234","normativa_tecnica","type-normativa_tecnica","status-publish","has-post-thumbnail","hentry","tipologia_normativa-en-iso-standards"],"acf":{"sottotitolo":"","allegati":null},"yoast_head":"\nEN ISO 3740: Determination of Sound Power Level<\/title>\n<meta name=\"description\" content=\"\u00a0 The standard\u00a0EN ISO 3740, published in march 2019, replaces the previous version EN ISO 3740:2002.\u00a0 \u00a0 This standard gives the guidelin...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.gt-engineering.it\/en\/technical-standards\/en-iso-standards\/en-iso-3740\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta 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