{"id":623469,"date":"2024-11-05T23:53:44","date_gmt":"2024-11-05T23:53:44","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-7240-122022\/"},"modified":"2024-11-05T23:53:44","modified_gmt":"2024-11-05T23:53:44","slug":"iso-7240-122022","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-7240-122022\/","title":{"rendered":"ISO 7240-12:2022"},"content":{"rendered":"<p>This document specifies requirements, test methods and performance criteria for line-type smoke detectors for use in fire detection systems installed in buildings. The detectors consist of at least a transmitter and a receiver and can include reflector(s) for the detection of smoke by the attenuation and\/or changes in attenuation of an optical beam.<\/p>\n<p>This document is not applicable to:<\/p>\n<p>\u2014\u00a0\u00a0\u00a0 line-type smoke detectors designed to operate with separations between opposed components of less than 1\u00a0m;<\/p>\n<p>\u2014\u00a0\u00a0\u00a0 line-type smoke detectors whose optical path length is defined or adjusted by an integral mechanical connection;<\/p>\n<p>\u2014\u00a0\u00a0\u00a0 line-type smoke detectors with special characteristics, which cannot be assessed by the test methods in this document.<\/p>\n<p>NOTE\u00a0\u00a0\u00a0\u00a0\u00a0 The term \u201coptical\u201d is used to describe that part of the electromagnetic spectrum produced by the transmitter to which the receiver is responsive; this is not restricted to visible wavelengths.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Fire detection and alarm systems \u2014 Part 12: Line type smoke detectors using a transmitted optical beam<\/b><\/p>\n<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\/iso\/\"><b>ISO<\/b><\/a><\/td>\n<td>2022-06<\/td>\n<td>62<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":623481,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[238,2634],"product_tag":[],"class_list":{"0":"post-623469","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-13-220-20","7":"product_cat-iso","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/623469","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\/623481"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=623469"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=623469"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=623469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}