{"id":238735,"date":"2024-10-19T15:36:12","date_gmt":"2024-10-19T15:36:12","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-611612007\/"},"modified":"2024-10-25T10:17:35","modified_gmt":"2024-10-25T10:17:35","slug":"bs-en-611612007","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-611612007\/","title":{"rendered":"BS EN 61161:2007"},"content":{"rendered":"<p>This International Standard &#8211; specifies a method of determining the total emitted acoustic power of ultrasonic transducers based on the use of a radiation force balance; &#8211; establishes general principles for the use of radiation force balances in which an obstacle (target) intercepts the sound field to be measured; -establishes limitations of the radiation force method related to cavitation and temperature rise; &#8211; establishes quantitative limitations of the radiation force method in relation to diverging and focused beams; &#8211; provides information on assessment of overall measurement uncertainties. This International Standard is applicable to: &#8211; the measurement of ultrasonic power up to 1 W based on the use of a radiation force balance in the frequency range from 0,5 MHz to 25 MHz; &#8211; the measurement of ultrasonic power up to 20 W based on the use of a radiation force balance in the frequency range 0,75 MHz to 5 MHz; &#8211; the measurement of total ultrasonic power of transducers, preferably with well-collimated beams; &#8211; the use of radiation force balances of the gravimetric type or force feedback type.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Ultrasonics. Power measurement. Radiation force balances and performance requirements<\/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>2007<\/td>\n<td>52<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":238741,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[270,2641],"product_tag":[],"class_list":{"0":"post-238735","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-17-140-50","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\/238735","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\/238741"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=238735"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=238735"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=238735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}