{"id":2718,"date":"2012-08-13T18:34:33","date_gmt":"2012-08-13T18:34:33","guid":{"rendered":"https:\/\/www.akustik-forschung.de\/test\/?p=2718"},"modified":"2025-08-26T12:52:07","modified_gmt":"2025-08-26T10:52:07","slug":"messung-schallleistung","status":"publish","type":"post","link":"https:\/\/www.akustikforschung.de\/en\/know-how\/prufverfahren-nach-norm\/messung-schallleistung\/","title":{"rendered":"Measurement of sound power"},"content":{"rendered":"<p><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/08\/messung_schallleistung_09_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-4814 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/08\/messung_schallleistung_09_ws-300x199.jpg\" alt=\"Measurement of sound power of machines an devices in the reverberation chamber according to DIN EN ISO 3741\" width=\"300\" height=\"199\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/08\/messung_schallleistung_09_ws-300x199.jpg 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/08\/messung_schallleistung_09_ws-640x426.jpg 640w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/08\/messung_schallleistung_09_ws-440x293.jpg 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/08\/messung_schallleistung_09_ws.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>The test methods of the sound power level or the emission sound pressure level of facilities, machines, devices and their components are carried out by the company according to technical standard in three different accuracy classes. These methods allow the measurement of the emission quantities both in situ and in the laboratory. As a matter of course, thereby you also benefit from our consultancy with respect to the professional evaluation of your products.<\/p>\n<p>On the one hand, these measurements can help with the identification marking of the sound emission of your developed products. On the other hand we can help you developing your products by applying reference measurements. By means of of modern <a href=\"https:\/\/www.akustikforschung.de\/en\/produkte\/messgerate\/messsystem-schallleistung\/\">measuring equipment and specific analysis software<\/a>, we are able to offer you our services at a low price.<\/p>\n<p><!--contentpartdivider--><\/p>\n<h4>Sound power level<\/h4>\n<p>For the measurement of the sound power, two different procedures can be applied, the acquisition of the sound pressures and the determination of the sound intensitiy along an enveloping measurement surface. The quantities detemined in this way, characterize the sound emission of the machine independently of the environmental conditions in situ.<\/p>\n<ul>\n<li>The series of standards DIN EN\u00a0ISO\u00a03740 (DIN EN\u00a0ISO\u00a03741, 3742, 3743, 3744, 3745, 3746 and 3747) is based on the measurement of the sound pressure level along an enveloping measurement surface. This method allows the determination of the sound power level of machines, devices and their components in different environments.<\/li>\n<\/ul>\n<ul>\n<li>Basis of the series of standards DIN EN\u00a0ISO\u00a09614 (DIN EN\u00a0ISO\u00a09614-1, 9614-2 and 9614-3) represents the measurement of the sound intensity. Thereby, the determination of the sound power level of machines, devices and their components is carried out by a sound intensity probe. This method is also applicable in different environments.<\/li>\n<\/ul>\n<h4>Emission sound pressure level<\/h4>\n<p>It is often reasonable to measure the emission of a machine in dependency of the environmental conditions at workplaces and other specified places. In this case, the series of standards DIN EN\u00a0ISO\u00a011200 (DIN EN\u00a0ISO\u00a011201 &#8211; DIN EN\u00a0ISO\u00a011205) is applied for the evaluation of the sound emission. In terms of these standards an emission sound pressure level is determined at a specified site.<\/p>\n<ul>\n<li>The standards DIN EN\u00a0ISO\u00a011201, DIN EN\u00a0ISO\u00a011202, DIN EN\u00a0ISO\u00a011204 are based on the measurement of the sound pressure levels.<\/li>\n<\/ul>\n<ul>\n<li>The standards DIN EN\u00a0ISO\u00a011203 and DIN EN\u00a0ISO\u00a011205 require the detemination of the sound intensity.<\/li>\n<\/ul>\n<h4>Standards for specific machines<\/h4>\n<p>There are specific standards for certain kinds of machines and their sites. Combustion engines, for instance, require the measurement of the sound power according to DIN\u00a045635-11. The determination of the sound power of printing machines, paper conversion and paper manufacturing machinery or equipment machinery has to be carried out according to DIN EN\u00a013023.<\/p>\n<h4>Ultrasonic pressure level<\/h4>\n<p>For devices and machines working with ultrasonic, it is required to determine the ultrasonic pressure level. With the object of declaring the conformity of these devices and machines (declaration of conformity), measurements are carried out according to DIN\u00a0EN\u00a061010-1 and VDE 0411-1 respectively.<\/p>\n<p><!--contentpartdivider--><\/p>\n<div id=\"attachment_4821\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/08\/messung_schallleistung_15_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4821\" class=\"wp-image-4821 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/08\/messung_schallleistung_15_ws-300x225.jpg\" alt=\"Measurement of sound power level at machines and devices by means of method with enveloping surface according to DIN EN ISO 3744\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/08\/messung_schallleistung_15_ws-300x225.jpg 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/08\/messung_schallleistung_15_ws-640x480.jpg 640w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/08\/messung_schallleistung_15_ws-440x330.jpg 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/08\/messung_schallleistung_15_ws.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-4821\" class=\"wp-caption-text\">Measurement of the sound power at an air-water-heat pump on site<\/p><\/div>\n<div id=\"attachment_4813\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/08\/messung_schallleistung_01_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4813\" class=\"wp-image-4813 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/08\/messung_schallleistung_01_ws-300x400.jpg\" alt=\"Measurement of sound power level at industrial plants\" width=\"300\" height=\"400\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/08\/messung_schallleistung_01_ws-300x400.jpg 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/08\/messung_schallleistung_01_ws-365x487.jpg 365w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/08\/messung_schallleistung_01_ws.jpg 450w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-4813\" class=\"wp-caption-text\">Measurement of the sound power at an industrial plant by means of method with enveloping surface according to DIN EN ISO 3746<\/p><\/div>\n<p><div id=\"attachment_12437\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2025\/05\/messung_schallleistung_schallintensitaet_waermepumpe_01_ed_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-12437\" class=\"wp-image-12437\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2025\/05\/messung_schallleistung_schallintensitaet_waermepumpe_01_ed_ws.jpg\" alt=\"Measurement of sound intensity and sound power according to DIN EN ISO 9614\" width=\"300\" height=\"225\" \/><\/a><p id=\"caption-attachment-12437\" class=\"wp-caption-text\">Measurement of sound intensity and sound power at a heat pump in a climate cell<\/p><\/div><\/p>","protected":false},"excerpt":{"rendered":"<p>The test methods of the sound power level or the emission sound pressure level of facilities, machines, devices and their [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4816,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[506,112,113,114,115,116,117,100,101,102,103,104,105,106,107,108,95,510,422,509,511,94,47,90,98,96,91,508,507,120],"class_list":["post-2718","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-prufverfahren-nach-norm","tag-din-en-61010","tag-din-en-iso-11200","tag-din-en-iso-11201","tag-din-en-iso-11202","tag-din-en-iso-11203","tag-din-en-iso-11204","tag-din-en-iso-11205","tag-din-en-iso-3740","tag-din-en-iso-3741","tag-din-en-iso-3742","tag-din-en-iso-3743","tag-din-en-iso-3744","tag-din-en-iso-3745","tag-din-en-iso-3746","tag-din-en-iso-3747","tag-din-en-iso-9614","tag-emissionsschalldruckpegel","tag-erklaerung","tag-hullflachen-verfahren","tag-konformitaet","tag-konformitaetserklaerung","tag-maschine","tag-messung","tag-schallemission","tag-schallintensitat","tag-schallleistung","tag-schallleistungspegel","tag-ultraschallpegel","tag-vde-0411","tag-warmepumpe","has-content-parts","content-parts-5"],"yoast_head":"<!-- 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