{"id":239423,"date":"2024-10-19T15:39:38","date_gmt":"2024-10-19T15:39:38","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-61391-12006a12017\/"},"modified":"2024-10-25T10:21:51","modified_gmt":"2024-10-25T10:21:51","slug":"bs-en-61391-12006a12017","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-61391-12006a12017\/","title":{"rendered":"BS EN 61391-1:2006+A1:2017"},"content":{"rendered":"

This International Standard describes methods of calibrating the spatial measurement facilities and point-spread function<\/b> of ultrasonic imaging equipment in the ultrasonic frequency range 0,5 MHz to 15 MHz. This standard is relevant for ultrasonic scanners based on the pulse-echo principle of the types listed below:<\/p>\n