{"id":359998,"date":"2024-10-20T01:28:46","date_gmt":"2024-10-20T01:28:46","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-20-30404177-dc\/"},"modified":"2024-10-26T02:13:29","modified_gmt":"2024-10-26T02:13:29","slug":"bsi-20-30404177-dc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-20-30404177-dc\/","title":{"rendered":"BSI 20\/30404177 DC"},"content":{"rendered":"<p>This part of <span class=\"std\"><span class=\"std-ref\">ISO 25178<\/span><\/span> specifies generic procedures for the calibration, adjustment and verification of areal topography measuring instruments defined in <span class=\"std\"><span class=\"std-ref\">ISO 25178-6<\/span><\/span>, and for the determination of their metrological characteristics. This part of <span class=\"std\"><span class=\"std-ref\">ISO 25178<\/span><\/span> considers metrological characteristics that topography measuring instruments have in common, notably those described in <span class=\"std\"><span class=\"std-ref\">ISO 25178<\/span><\/span>, Parts 601 to 607. Collectively, those standards encompass both microscope based instruments and point sensing instruments with lateral scanning devices.<\/p>\n<p>This document presents a method to estimate uncertainty for a large range of surfaces, but not all. The range of surfaces will be dependent on the instrument used, see <span class=\"xref\">Clause 6.6.2<\/span> describing the topography fidelity.<\/p>\n<p>For instrument specific principles, other parts may be developed in the 700 series of <span class=\"std\"><span class=\"std-ref\">ISO 25178<\/span><\/span>.<\/p>\n<p>For example, this document covers only instruments without additional arcuate motion, which may be described in a future revision of the <span class=\"std\"><span class=\"std-ref\">ISO 25178-701<\/span><\/span>.<\/p>\n<p>This document does not include procedures for area-integrating methods, although those are also defined in <span class=\"std\"><span class=\"std-ref\">ISO 25178-6<\/span><\/span>. For example, light scattering belongs to a class of techniques known as area-integrating methods for measuring surface topography.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>BS EN ISO 25178-700. Geometrical product specifications (GPS). Surface texture: Areal &#8211; Part 700. Calibration, adjustment and verification of areal topography measuring instruments<\/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>40<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":360006,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[255,2641],"product_tag":[],"class_list":{"0":"post-359998","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-17-040-20","7":"product_cat-bsi","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\/359998","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\/360006"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=359998"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=359998"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=359998"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}