{"id":8934,"date":"2026-04-17T12:43:17","date_gmt":"2026-04-17T12:43:17","guid":{"rendered":"https:\/\/ultrasuonindt.it\/dakota-mx1-dl-vs-mx2-dl-the-differences-between-the-a-scan-and-b-scan-gauges\/"},"modified":"2026-10-02T16:58:53","modified_gmt":"2026-10-02T16:58:53","slug":"dakota-mx1-dl-vs-mx2-dl-the-differences-between-the-a-scan-and-b-scan-gauges","status":"publish","type":"post","link":"https:\/\/ultrasuonindt.it\/en\/dakota-mx1-dl-vs-mx2-dl-the-differences-between-the-a-scan-and-b-scan-gauges\/","title":{"rendered":"Dakota MX1-DL vs MX2-DL: the differences between the A-Scan and B-Scan gauges"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The <strong>Dakota MX<\/strong> range of ultrasonic corrosion gauges consists of two models: the <strong>MX1-DL<\/strong> and the <strong>MX2-DL<\/strong>. Both offer an <strong>internal 4 GB data logger<\/strong>, high-speed scan mode up to 250 readings per second and the 2D block view for analysing the thickness profile. The key difference lies in the <strong>presence of the A-Scan display<\/strong>, which separates an advanced corrosion gauge from an instrument at flaw-detector level.  <\/p>\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"627\" src=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-famiglia_cmx10_dettaglio_presentazione_software_.png?resize=1200%2C627&#038;ssl=1\" alt=\"Dakota MX family of corrosion gauges\" class=\"wp-image-256\" style=\"width:600px\" srcset=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-famiglia_cmx10_dettaglio_presentazione_software_.png?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-famiglia_cmx10_dettaglio_presentazione_software_.png?resize=300%2C157&amp;ssl=1 300w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-famiglia_cmx10_dettaglio_presentazione_software_.png?resize=1024%2C535&amp;ssl=1 1024w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-famiglia_cmx10_dettaglio_presentazione_software_.png?resize=768%2C401&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\">The MX1-DL and MX2-DL shared platform<\/h2>\n\n<p class=\"wp-block-paragraph\">According to the official Dakota NDT specifications, both models in the MX series share:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>4 GB internal memory<\/strong> for storing readings and waveforms<\/li>\n<li><strong>High-speed Scan<\/strong> mode: up to <strong>250 readings per second<\/strong><\/li>\n<li><strong>Pulse-Echo (PE)<\/strong> and <strong>Echo-Echo ThruPaint\u2122 (EE)<\/strong> measurement modes, the latter ignoring coatings up to 2 mm<\/li>\n<li><strong>2D block cross-section view<\/strong> \u2014 graphical representation of the thickness profile, useful for identifying pitting and corroded areas<\/li>\n<li>Selectable display modes: Readings, B-Scan, B-Scan combined with readings, Scan bar<\/li>\n<li>Repeatability\/stability indicator with 6 vertical bars<\/li>\n<li>Alarm minimum thickness and differential mode<\/li>\n<li><strong>USB-C<\/strong> connectivity with integrated file system<\/li>\n<li>Integration with the <strong>DakMaster\u2122<\/strong> software for professional reporting<\/li>\n<\/ul>\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>Need help choosing the right product?<\/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\">Contact us<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\">The fundamental difference: the A-Scan display<\/h2>\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1115\" src=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_cmx10_dl_dettaglio_display_con_second_layer.png?resize=1920%2C1115&#038;ssl=1\" alt=\"A-Scan display of the Dakota MX2-DL\" class=\"wp-image-246\" style=\"width:600px\" srcset=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_cmx10_dl_dettaglio_display_con_second_layer.png?w=1920&amp;ssl=1 1920w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_cmx10_dl_dettaglio_display_con_second_layer.png?resize=300%2C174&amp;ssl=1 300w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_cmx10_dl_dettaglio_display_con_second_layer.png?resize=1024%2C595&amp;ssl=1 1024w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_cmx10_dl_dettaglio_display_con_second_layer.png?resize=768%2C446&amp;ssl=1 768w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_cmx10_dl_dettaglio_display_con_second_layer.png?resize=1536%2C892&amp;ssl=1 1536w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">The <strong>Dakota MX1-DL<\/strong> offers every digital and graphical display mode (Readings, B-Scan, Scan bar) <strong>but does not include the A-Scan display<\/strong>. The <strong>Dakota MX2-DL<\/strong>, on top of all the MX1-DL functions, adds the <strong>A-Scan display<\/strong> with full (RF) or rectified (RECT, positive or negative) waveform. This is the difference that justifies moving up to the higher model.  <\/p>\n\n<h2 class=\"wp-block-heading\">Why the A-Scan makes the difference<\/h2>\n\n<p class=\"wp-block-paragraph\">The A-Scan display lets the operator <strong>interpret the ultrasonic signal directly<\/strong> instead of relying solely on the numerical value computed by the firmware. Seeing the waveform is essential in the following cases: <\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Validating critical measurements:<\/strong> checking that the back-wall echo is clean and not contaminated by intermediate echoes (inclusions, delaminations, double reflections)<\/li>\n<li><strong>Corroded or uneven surfaces:<\/strong> telling a valid echo from a spurious one in difficult geometries<\/li>\n<li><strong>Detecting pitting and sub-surface defects:<\/strong> the intermediate peak on the A-Scan flags a defect that a purely numerical reading would miss<\/li>\n<li><strong>Inspections to standards:<\/strong> many NDT procedures require the A-Scan to be recorded as evidence of the acquired signal<\/li>\n<li><strong>Diagnosing coupling problems:<\/strong> seeing immediately when the couplant gel is insufficient or the probe is not correctly placed<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Comparison table<\/h2>\n\n<figure class=\"wp-block-table alignwide\"><table><thead><tr><th>Feature<\/th><th>Dakota MX1-DL<\/th><th>Dakota MX2-DL<\/th><\/tr><\/thead><tbody>\n<tr><td>Data logger<\/td><td>4 GB<\/td><td>4 GB<\/td><\/tr>\n<tr><td>Scan Mode speed<\/td><td>250 readings\/sec<\/td><td>250 readings\/sec<\/td><\/tr>\n<tr><td>Pulse-Echo (PE)<\/td><td>Yes<\/td><td>Yes<\/td><\/tr>\n<tr><td>Echo-Echo ThruPaint\u2122<\/td><td>Yes<\/td><td>Yes<\/td><\/tr>\n<tr><td>2D block view<\/td><td>Yes<\/td><td>Yes<\/td><\/tr>\n<tr><td>Readings display<\/td><td>Yes<\/td><td>Yes<\/td><\/tr>\n<tr><td>B-Scan display<\/td><td>Yes<\/td><td>Yes<\/td><\/tr>\n<tr><td>Scan bar display<\/td><td>Yes<\/td><td>Yes<\/td><\/tr>\n<tr><td><strong>A-Scan display<\/strong><\/td><td><strong>No<\/strong><\/td><td><strong>Yes (RF and RECT)<\/strong><\/td><\/tr>\n<tr><td>USB-C connectivity<\/td><td>Yes<\/td><td>Yes<\/td><\/tr>\n<tr><td>DakMaster\u2122<\/td><td>Yes<\/td><td>Yes<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n<h2 class=\"wp-block-heading\">Which one to choose<\/h2>\n\n<p class=\"wp-block-paragraph\">The choice is driven by how formalised the inspection is:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Choose the <a href=\"https:\/\/ultrasuonindt.it\/en\/products\/thickness-gauges\/dakota-mx1-dl-advanced-a-scan-and-b-scan-gauge\/\">Dakota MX1-DL<\/a><\/strong> if You need a corrosion gauge with data logging and B-Scan, but graphical verification of the signal is not critical to Your procedures<\/li>\n<li><strong>Choose the <a href=\"https:\/\/ultrasuonindt.it\/en\/products\/thickness-gauges\/dakota-mx2-dl-a-scan-b-scan-corrosion-gauge\/\">Dakota MX2-DL<\/a><\/strong> if You work in regulated contexts (API 570, API 653, customer specifications) where being able to display and store the A-Scan is required as evidence of the quality of the measurement<\/li>\n<\/ul>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<p class=\"wp-block-paragraph\">For help in choosing and to request a demonstration of the Dakota MX instruments, <a href=\"https:\/\/ultrasuonindt.it\/en\/contact\/\">contact our technical office<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A guide comparing the Dakota MX1-DL and MX2-DL corrosion gauges. Both have a 4 GB data logger and a 250 readings\/sec scan mode; what sets them apart is the A-Scan display, essential for coded inspections where the ultrasonic signal has to be validated graphically. <\/p>\n","protected":false},"author":157040980,"featured_media":2732,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"{title}\n\n{excerpt}\n\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[153],"tags":[75,77,159,160,76,74],"class_list":["post-8934","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-comparisons","tag-echo-echo-thrupaint-measurement-through-paint","tag-thickness-measurement-on-carbon-steel","tag-ultrasonic-a-scan-display","tag-ultrasonic-b-scan-display","tag-ultrasonic-corrosion-measurement","tag-ultrasonic-pulse-echo-measurement"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dakota MX1-DL vs MX2-DL: A-Scan and B-Scan differences | RODER<\/title>\n<meta name=\"description\" content=\"Dakota MX1-DL and MX2-DL compared: the same 4 GB data logger and 250 readings per second scan \u2014 the difference is the A-Scan display. 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