{"id":361789,"date":"2024-10-20T01:37:37","date_gmt":"2024-10-20T01:37:37","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-352-32020\/"},"modified":"2024-10-26T02:31:55","modified_gmt":"2024-10-26T02:31:55","slug":"bs-en-352-32020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-352-32020\/","title":{"rendered":"BS EN 352-3:2020"},"content":{"rendered":"<p>This document specifies requirements for construction, design, performance, marking and user information for earmuffs attached to head protection and\/or face protection devices, hereinafter referred to as \u2018mounted earmuffs\u2019.<\/p>\n<p>In particular, it specifies requirements regarding the sound attenuation of mounted earmuffs, measured in accordance with <span class=\"std\"> <span class=\"std-ref\">EN&nbsp;ISO&nbsp;4869?1:2018<\/span><\/span>.<\/p>\n<p>The document does not apply to earmuffs outside the size range of headsizes as defined in this standard.<\/p>\n<p>Because one model of earmuffs designed to be attached to head protection and\/or face protection devices can be fitted to a number of other models and sizes of the carrier, this part of the standard sets out a series of physical and acoustic requirements for earmuffs when fitted to the specified model(s) or size(s) of head protection and\/or face protection device.<\/p>\n<p>All requirements apply to earmuffs fitted to one of the specified models or sizes of head protection and\/or face protection device (the basic combination). An abbreviated set of requirements applies to the same model of earmuffs when fitted to the other specified models or sizes of head protection and\/or face protection device (the supplementary combinations).<\/p>\n<p>Ergonomic aspects are addressed by taking into account, within the requirements, the interaction between the user, the device and, where possible, the working environment in which the device is likely to be used (see <span class=\"xref\">Annex&nbsp;ZA<\/span> and <span class=\"std\"> <span class=\"std-ref\">EN&nbsp;458<\/span><\/span>).<\/p>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>undefined  <\/td>\n<\/tr>\n<tr>\n<td><b>8<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms, definitions, symbols and abbreviations <br \/> 3.1 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>3.2 Symbols and abbreviations <br \/> 4 Requirements <br \/> 4.1 Sizing <br \/> 4.2 Materials and construction <br \/> 4.2.1 Materials  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>4.2.2 Construction <br \/> 4.3 Performance <br \/> 4.3.1 General <br \/> 4.3.2 Sizing and adjustability <br \/> 4.3.2.1 General <br \/> 4.3.2.2 &#8216;Medium size range&#8217; mounted earmuffs <br \/> 4.3.2.3 &#8216;Small size range&#8217; mounted earmuffs <br \/> 4.3.2.4 &#8216;Large size range&#8217; mounted earmuffs <br \/> 4.3.3 Cup rotation <br \/> 4.3.4 Headband force  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>4.3.5 Cushion pressure  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>4.3.6 Resistance to damage when dropped <br \/> 4.3.7 Resistance to damage when dropped at low temperature (optional) <br \/> 4.3.8 Change in headband force (including optional water immersion with headband under stress) <br \/> 4.3.9 Insertion loss <br \/> 4.3.10 Resistance to leakage <br \/> 4.3.11 Ignitability  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>4.3.12 Minimum sound attenuation <br \/> 5 Marking <br \/> 6 User information  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>Annex A (informative)Technical changes between this document and the previous edition of this European Standard  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>Annex ZA (informative)Relationship between this European Standard and the essential requirements of Regulation (EU) 2016\/425 aimed to be covered  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Hearing protectors. General requirements &#8211; Earmuffs attached to head protection and\/or face protection devices<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2020<\/td>\n<td>24<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":361795,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-361789","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/361789","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/361795"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=361789"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=361789"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=361789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}