{"id":5016,"date":"2026-09-07T14:37:54","date_gmt":"2026-09-07T14:37:54","guid":{"rendered":"https:\/\/ultrasuonindt.it\/technologies-et-normes-end\/detection-de-defauts\/visualisation-b-scan\/"},"modified":"2026-09-13T17:00:18","modified_gmt":"2026-09-13T17:00:18","slug":"visualisation-b-scan","status":"publish","type":"page","link":"https:\/\/ultrasuonindt.it\/fr\/technologies-et-normes-end\/detection-de-defauts\/visualisation-b-scan\/","title":{"rendered":"Visualisation B-Scan"},"content":{"rendered":"\n<div class=\"wp-block-columns are-vertically-aligned-top is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:36%\">\n<figure class=\"wp-block-image size-large has-custom-border\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_FX70-Flaw-Detector_dettaglio_schermo_impermeabile-web-1200x1200-1.webp?resize=1200%2C1200&#038;ssl=1\" alt=\"&#xC9;cran d'un d&#xE9;tecteur de d&#xE9;fauts Dakota NDT\" class=\"wp-image-1033\" style=\"border-color:#000000;border-width:1px;border-radius:15px\" srcset=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_FX70-Flaw-Detector_dettaglio_schermo_impermeabile-web-1200x1200-1.webp?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_FX70-Flaw-Detector_dettaglio_schermo_impermeabile-web-1200x1200-1.webp?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_FX70-Flaw-Detector_dettaglio_schermo_impermeabile-web-1200x1200-1.webp?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_FX70-Flaw-Detector_dettaglio_schermo_impermeabile-web-1200x1200-1.webp?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_FX70-Flaw-Detector_dettaglio_schermo_impermeabile-web-1200x1200-1.webp?resize=768%2C768&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:4%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<div class=\"wp-block-group has-background is-layout-flow wp-block-group-is-layout-flow\" style=\"border-top-right-radius:6px;border-bottom-right-radius:6px;border-left-color:#225f78;border-left-width:6px;background-color:#ebf1f4;padding-top:24px;padding-right:28px;padding-bottom:24px;padding-left:28px\">\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#225f78;font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.408), 18px);font-style:italic;font-weight:400;line-height:1.6\">L&rsquo;A-Scan montre un point. Le B-Scan montre un tron\u00e7on : le profil de la paroi le long du parcours effectu\u00e9 par la sonde, comme si la pi\u00e8ce avait \u00e9t\u00e9 coup\u00e9e et vue de c\u00f4t\u00e9. <\/p>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"wp-block-list\" style=\"list-style:none;padding-left:0px;line-height:1.6\">\n<li style=\"list-style:none\"><strong style=\"color:#225f78\">\u2713<\/strong> Profil de section le long de la trajectoire de balayage<\/li>\n\n\n\n<li style=\"list-style:none\"><strong style=\"color:#225f78\">\u2713<\/strong> \u00c9tendue de l&rsquo;amincissement, et non seulement sa valeur minimale<\/li>\n\n\n\n<li style=\"list-style:none\"><strong style=\"color:#225f78\">\u2713<\/strong> Image imm\u00e9diatement compr\u00e9hensible m\u00eame pour un non-sp\u00e9cialiste<\/li>\n\n\n\n<li style=\"list-style:none\"><strong style=\"color:#225f78\">\u2713<\/strong> Archivable et joignable au rapport d&rsquo;inspection<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n<p class=\"wp-block-paragraph\">Le B-Scan se construit en juxtaposant les lectures acquises pendant que la sonde avance. Chaque lecture fournit la position du fond en ce point ; en les alignant, on obtient le profil de la paroi le long du parcours, avec la surface d&rsquo;appui en haut et le fond qui suit l&rsquo;allure r\u00e9elle du mat\u00e9riau. <\/p>\n\n<p class=\"wp-block-paragraph\">La valeur ajout\u00e9e par rapport \u00e0 une s\u00e9rie de nombres r\u00e9side dans l&rsquo;\u00e9tendue. Une liste de lectures dit qu&rsquo;en un point l&rsquo;\u00e9paisseur a diminu\u00e9 ; le profil montre s&rsquo;il s&rsquo;agit d&rsquo;un crat\u00e8re isol\u00e9 de quelques millim\u00e8tres ou d&rsquo;un amincissement qui s&rsquo;\u00e9tend sur un long tron\u00e7on, et ce sont deux situations aux cons\u00e9quences tr\u00e8s diff\u00e9rentes. <\/p>\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<div class=\"wp-block-cover is-light popmake-4066 popmake-739\" style=\"border-width:1px;min-height:250px;aspect-ratio:unset;\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"250\" class=\"wp-block-cover__image-background wp-image-727 size-full\" alt=\"\" src=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/banner_technical_support_choose_products.png?resize=1200%2C250&#038;ssl=1\" data-object-fit=\"cover\" srcset=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/banner_technical_support_choose_products.png?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/banner_technical_support_choose_products.png?resize=300%2C63&amp;ssl=1 300w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/banner_technical_support_choose_products.png?resize=1024%2C213&amp;ssl=1 1024w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/banner_technical_support_choose_products.png?resize=768%2C160&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-30 has-background-dim\" style=\"background-color:#d3d6dc\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-container-core-cover-is-layout-15701bb7 wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-right has-ti-fg-color is-style-default has-luminous-vivid-amber-color has-text-color has-link-color wp-elements-1 wp-block-paragraph\" style=\"font-size:clamp(21.536px, 1.346rem + ((1vw - 3.2px) * 1.374), 35px);\"><strong>Besoin d&rsquo;aide pour choisir le produit adapt\u00e9 ?<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-right is-layout-flex wp-container-core-buttons-is-layout-b507c051 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button popmake-4066 popmake-739\"><a class=\"wp-block-button__link has-ti-accent-color has-cyan-bluish-gray-background-color has-text-color has-background has-link-color wp-element-button\">Contactez-nous<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p class=\"wp-block-paragraph\">Il y a ensuite un aspect pratique qui compte dans le rapport final. Un profil de section est compr\u00e9hensible m\u00eame par ceux qui n&rsquo;effectuent pas de contr\u00f4les non destructifs : le responsable d&rsquo;installation voit la forme du probl\u00e8me sans devoir la reconstruire \u00e0 partir d&rsquo;un tableau, ce qui rend le rapport plus imm\u00e9diat \u00e0 discuter. <\/p>\n\n<h2 class=\"wp-block-heading\">A-Scan et B-Scan compar\u00e9s<\/h2>\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th style=\"background-color:#225f78;color:#ffffff;padding:10px\">Aspect<\/th><th style=\"background-color:#225f78;color:#ffffff;padding:10px\">Comportement<\/th><\/tr><\/thead><tbody><tr><td>Ce que repr\u00e9sente l&rsquo;A-Scan<\/td><td>Le signal en un seul point, amplitude dans le temps<\/td><\/tr><tr><td>Ce que repr\u00e9sente le B-Scan<\/td><td>Le profil de section le long d&rsquo;un parcours<\/td><\/tr><tr><td>\u00c0 quoi sert l&rsquo;A-Scan<\/td><td>Valider la lecture unique et \u00e9valuer les indications<\/td><\/tr><tr><td>\u00c0 quoi sert le B-Scan<\/td><td>Voir l&rsquo;\u00e9tendue et la forme de l&rsquo;amincissement<\/td><\/tr><tr><td>Dans le rapport<\/td><td>Le profil est lisible m\u00eame par un non-op\u00e9rateur CND<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<h2 class=\"wp-block-heading\">Comment obtenir un bon balayage<\/h2>\n\n<div class=\"wp-block-columns are-vertically-aligned-top is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:36%\">\n<figure class=\"wp-block-image size-large has-custom-border\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-applicazione_cmx10_dettaglio_misura_su_tubi_e_serbatoi-web-1200x1200-1.webp?resize=1200%2C1200&#038;ssl=1\" alt=\"Balayage continu sur une paroi pendant l'inspection\" class=\"wp-image-956\" style=\"border-color:#000000;border-width:1px;border-radius:15px\" srcset=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-applicazione_cmx10_dettaglio_misura_su_tubi_e_serbatoi-web-1200x1200-1.webp?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-applicazione_cmx10_dettaglio_misura_su_tubi_e_serbatoi-web-1200x1200-1.webp?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-applicazione_cmx10_dettaglio_misura_su_tubi_e_serbatoi-web-1200x1200-1.webp?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-applicazione_cmx10_dettaglio_misura_su_tubi_e_serbatoi-web-1200x1200-1.webp?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-applicazione_cmx10_dettaglio_misura_su_tubi_e_serbatoi-web-1200x1200-1.webp?resize=768%2C768&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:4%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<p class=\"wp-block-paragraph\">La qualit\u00e9 du profil d\u00e9pend de la continuit\u00e9 de l&rsquo;acquisition. Il faut un couplant \u00e9tal\u00e9 sur toute la trajectoire et une vitesse d&rsquo;avance r\u00e9guli\u00e8re : si la sonde perd le contact, un tron\u00e7on sans information appara\u00eet dans le profil et ne doit pas \u00eatre confondu avec une donn\u00e9e r\u00e9elle. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le B-Scan s&rsquo;associe naturellement au <a href=\"https:\/\/ultrasuonindt.it\/fr\/technologies-et-normes-end\/mesure-depaisseur-par-ultrasons\/scan-mode-et-frequence-de-lecture-elevee\/\">scan mode<\/a> : la fr\u00e9quence de lecture \u00e9lev\u00e9e est ce qui rend le profil continu au lieu d&rsquo;\u00eatre en escalier.<\/p>\n<\/div>\n<\/div>\n\n<h2 class=\"wp-block-heading\">Appareils avec B-Scan<\/h2>\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th style=\"background-color:#225f78;color:#ffffff;padding:10px\">Appareil<\/th><th style=\"background-color:#225f78;color:#ffffff;padding:10px\">Remarque<\/th><\/tr><\/thead><tbody><tr><td><a href=\"https:\/\/ultrasuonindt.it\/fr\/produits\/epaisseurmetres\/dakota-mx2-dl-epaisseurmetre-corrosion-a-scan-b-scan\/\">Dakota MX2-DL<\/a><\/td><td>A-Scan et B-Scan avec archivage de la forme d&rsquo;onde<\/td><\/tr><tr><td><a href=\"https:\/\/ultrasuonindt.it\/fr\/produits\/epaisseurmetres\/dakota-mx1-dl-epaisseurmetre-avance-a-scan-et-b-scan\/\">Dakota MX1-DL<\/a><\/td><td>B-Scan et datalogger de 4 Go pour cartographies \u00e9tendues<\/td><\/tr><tr><td><a href=\"https:\/\/ultrasuonindt.it\/fr\/produits\/epaisseurmetres\/dakota-cx8-dl-mesureur-avec-enregistreur-de-donnees-et-b-scan\/\">Dakota CX8-DL<\/a><\/td><td>B-Scan sur le haut de gamme de la s\u00e9rie CX<\/td><\/tr><tr><td><a href=\"https:\/\/ultrasuonindt.it\/fr\/produits\/detecteurs-de-defauts\/dakota-fx70-dl-detecteur-de-defauts-ultrasonore-portable\/\">Dakota FX70-DL<\/a><\/td><td>A-Scan et B-Scan sur le d\u00e9tecteur de d\u00e9fauts portable<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<h2 class=\"wp-block-heading\">Questions fr\u00e9quentes<\/h2>\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1757291001\"><strong class=\"schema-faq-question\">Le B-Scan remplace-t-il les lectures ponctuelles ?<\/strong><p class=\"schema-faq-answer\">Non. Le profil montre l&rsquo;\u00e9volution le long du parcours, mais ce sont les lectures enregistr\u00e9es aux points pr\u00e9vus par le plan de contr\u00f4le qui entrent dans le rapport. Les deux informations se compl\u00e8tent.  <\/p><\/div><div class=\"schema-faq-section\" id=\"faq-question-1757291002\"><strong class=\"schema-faq-question\">Que se passe-t-il si la sonde perd le contact ?<\/strong><p class=\"schema-faq-answer\">Un tron\u00e7on sans information appara\u00eet dans le profil. Il doit \u00eatre reconnu comme tel et non interpr\u00e9t\u00e9 comme une donn\u00e9e r\u00e9elle : le balayage doit \u00eatre r\u00e9p\u00e9t\u00e9 sur ce tron\u00e7on. <\/p><\/div><div class=\"schema-faq-section\" id=\"faq-question-1757291003\"><strong class=\"schema-faq-question\">Pourquoi le B-Scan est-il utile dans le rapport au client ?<\/strong><p class=\"schema-faq-answer\">Parce qu&rsquo;un profil de section est compr\u00e9hensible m\u00eame par ceux qui n&rsquo;effectuent pas de contr\u00f4les non destructifs : il montre la forme et l&rsquo;\u00e9tendue du probl\u00e8me sans exiger l&rsquo;interpr\u00e9tation d&rsquo;un tableau de nombres.<\/p><\/div><\/div>\n\n<p class=\"wp-block-paragraph\">Retour \u00e0 <a href=\"https:\/\/ultrasuonindt.it\/fr\/technologies-et-normes-end\/detection-de-defauts\/\">D\u00e9tection de d\u00e9fauts<\/a> ou \u00e9crivez-nous depuis la page <a href=\"https:\/\/ultrasuonindt.it\/fr\/contacts\/\">Contacts<\/a>.<\/p>\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h5 class=\"wp-block-heading\">Informations compl\u00e9mentaires et contacts <\/h5>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">Partenaire division syst\u00e8mes et int\u00e9gration de capteurs : <a href=\"http:\/\/www.roder.it\">www.roder.it<\/a><br\/>Plus d&rsquo;informations sur RODER SRL : <a href=\"https:\/\/ultrasuonindt.it\/chi-siamo\/\">qui sommes-nous<\/a><br\/>Contact pour informations g\u00e9n\u00e9rales : <a href=\"mailto:info@roder.it\">info@roder.it<\/a><br\/>Contact pour informations sur ces produits : <a href=\"mailto:info@roder.it\">info@roder.it<\/a><\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\"><br\/>Les informations contenues dans cette page web sont fournies \u00e0 titre purement informatif. Bien qu&rsquo;elles aient \u00e9t\u00e9 \u00e9labor\u00e9es avec le plus grand soin, elles ne constituent ni une offre contractuelle ni un engagement contraignant de fourniture. Elles peuvent contenir des erreurs de transcription, de traduction ou des coquilles. Pour des informations pr\u00e9cises et \u00e0 jour, nous vous invitons \u00e0 contacter directement notre soci\u00e9t\u00e9.    <\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">Certaines images pr\u00e9sentes sur ce site web ont \u00e9t\u00e9 intentionnellement g\u00e9n\u00e9r\u00e9es \u00e0 l&rsquo;aide de l&rsquo;Intelligence Artificielle (IA). Cela tient au fait que, pour de nombreuses applications et projets, il n&rsquo;est pas possible de divulguer des photographies de l&rsquo;installation ou du syst\u00e8me r\u00e9el en raison d&rsquo;accords de confidentialit\u00e9, de clauses de confidentialit\u00e9 et d&rsquo;accords de non-divulgation (NDA). <\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;A-Scan montre un point. Le B-Scan montre un tron\u00e7on : le profil de la paroi le long du parcours effectu\u00e9 par la sonde, comme si la pi\u00e8ce avait \u00e9t\u00e9 coup\u00e9e et vue de c\u00f4t\u00e9. Le B-Scan se construit en juxtaposant les lectures acquises pendant que la sonde avance. Chaque lecture fournit la position du fond [&hellip;]<\/p>\n","protected":false},"author":157040980,"featured_media":5017,"parent":4491,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_yoast_wpseo_focuskw":"visualisation B-Scan ultrasons","_yoast_wpseo_title":"Visualisation B-Scan | Dakota NDT","_yoast_wpseo_metadesc":"Le B-Scan montre le profil de section le long du parcours de la sonde : comment le lire et \u00e0 quoi il sert dans les cartographies de corrosion avec les appareils Dakota.","_wpcom_ai_launchpad_about_page":false,"_wpcom_ai_launchpad_gallery_page":false,"_wpcom_ai_launchpad_contact_page":false,"_wpcom_ai_launchpad_events_page":false,"_wpcom_ai_launchpad_video_page":false,"_wpcom_ai_launchpad_portfolio_piece":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"footnotes":""},"class_list":["post-5016","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Visualisation B-Scan | Dakota NDT<\/title>\n<meta name=\"description\" content=\"Le B-Scan montre le profil de section le long du parcours de la sonde : comment le lire et \u00e0 quoi il sert dans les cartographies de corrosion avec les appareils Dakota.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ultrasuonindt.it\/fr\/technologies-et-normes-end\/detection-de-defauts\/visualisation-b-scan\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Visualisation B-Scan | Dakota NDT\" \/>\n<meta property=\"og:description\" content=\"Le B-Scan montre le profil de section le long du parcours de la sonde : comment le lire et \u00e0 quoi il sert dans les cartographies de 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