{"id":553681,"date":"2024-11-05T18:00:05","date_gmt":"2024-11-05T18:00:05","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/vdi-3867-part-4\/"},"modified":"2024-11-05T18:00:05","modified_gmt":"2024-11-05T18:00:05","slug":"vdi-3867-part-4","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/din\/vdi-3867-part-4\/","title":{"rendered":"VDI 3867 Part 4"},"content":{"rendered":"<p>This guideline gives an overview over principles, techniques, designs and applications of Optical Aerosol Spectrometers, highly sophisticated instruments for the measurement of particle number concentrations and particle size distributions in atmospheric air. The measuring range covers particle diameters from approx. 0.07 \u00b5m to approx. 25 \u00b5m and particle number concentrations from about 10(power of -3) cm(power of -3) to about 10(power of 5) cm(power of -3).<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Measurement of particles in ambient air &#8211; Determination of the particle number concentration and particle size distribution of aerosols &#8211; Optical aerosol spectrometer<\/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\/din\/\"><b>DIN<\/b><\/a><\/td>\n<td>2011-06<\/td>\n<td>34<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":553692,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[203,2635],"product_tag":[],"class_list":{"0":"post-553681","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-13-040-20","7":"product_cat-din","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\/553681","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\/553692"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=553681"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=553681"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=553681"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}