{"id":8174,"date":"2026-04-17T12:37:50","date_gmt":"2026-04-17T12:37:50","guid":{"rendered":"https:\/\/ultrasuonindt.it\/data-logger-vs-manual-recording-why-ndt-readings-should-be-archived\/"},"modified":"2026-10-01T14:53:28","modified_gmt":"2026-10-01T14:53:28","slug":"data-logger-vs-manual-recording-why-ndt-readings-should-be-archived","status":"publish","type":"post","link":"https:\/\/ultrasuonindt.it\/en\/data-logger-vs-manual-recording-why-ndt-readings-should-be-archived\/","title":{"rendered":"Data logger vs manual recording: why NDT readings should be archived"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Among the features that separate an entry-level thickness gauge from a professional instrument, the <strong>internal data logger<\/strong> is one of the most important. A gauge with a data logger can store thousands of readings, each with its own identifier, and download them later for analysis and reporting. In this article we look at why electronic recording of readings has become the standard required by industrial regulations, and what the concrete benefits are compared with manual recording.  <\/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-strumento_cmx_10_display_dettaglio_tracciabilita.jpg?resize=1200%2C627&#038;ssl=1\" alt=\"Structured Dakota data logger for NDT readings\" class=\"wp-image-255\" style=\"width:600px\" srcset=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_cmx_10_display_dettaglio_tracciabilita.jpg?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_cmx_10_display_dettaglio_tracciabilita.jpg?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-strumento_cmx_10_display_dettaglio_tracciabilita.jpg?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-strumento_cmx_10_display_dettaglio_tracciabilita.jpg?resize=768%2C401&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\">Problems with manual recording<\/h2>\n\n<p class=\"wp-block-paragraph\">Manual recording \u2014 the operator reads the value from the display and writes it on a paper sheet or a tablet \u2014 has well-known limitations:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Transcription errors<\/strong>: studies show an error rate of 1-3 % on manual transcription of numerical values<\/li>\n<li><strong>Slowness<\/strong>: every reading costs an extra 10-30 seconds for manual recording<\/li>\n<li><strong>Ambiguity<\/strong>: measurement locations are identified from poorly structured notes<\/li>\n<li><strong>Awkward archiving<\/strong>: paper sheets have to be digitised afterwards, with further risk of error<\/li>\n<li><strong>No waveform<\/strong>: manual recording captures only the numerical value, not the associated A-Scan<\/li>\n<li><strong>No integrity<\/strong>: there is no record of when a reading was actually taken<\/li>\n<li><strong>Hard to compare over time<\/strong>: running trend analysis on years of manual data is practically impossible<\/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\">What the electronic data logger offers<\/h2>\n\n<p class=\"wp-block-paragraph\">A data logger built into the measuring instrument removes these problems and offers:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Automatic recording<\/strong>: every reading is stored at a touch, with no transcription<\/li>\n<li><strong>Structured identification<\/strong>: readings are organised into alphanumeric grids or numbered sequences with a unique identifier<\/li>\n<li><strong>Automatic timestamp<\/strong>: every reading carries a date and time from the internal clock<\/li>\n<li><strong>Waveform storage<\/strong>: on the Dakota CMX and FX instruments the complete A-Scan is saved alongside the numerical value as evidence<\/li>\n<li><strong>Zero transcription errors<\/strong>: the digital value passes straight from the probe to the instrument to the software<\/li>\n<li><strong>Fast download<\/strong> to the PC over USB or Bluetooth<\/li>\n<li><strong>Data integrity<\/strong>: the internal log cannot easily be altered<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Storage capacity of the Dakota instruments<\/h2>\n\n<figure class=\"wp-block-table alignwide\"><table><thead><tr><th>Instrument<\/th><th>Data logger capacity<\/th><th>A-Scan storage<\/th><\/tr><\/thead><tbody>\n<tr><td>CX8-DL<\/td><td>100,000 readings in 1,000 batches<\/td><td>No<\/td><\/tr>\n<tr><td>ZX5-DL \/ ZX6-DL<\/td><td>40 files of 250 readings<\/td><td>No<\/td><\/tr>\n<tr><td>MX1-DL \/ MX2-DL<\/td><td>4 GB<\/td><td>Yes (with waveform)<\/td><\/tr>\n<tr><td>CMX1-DL \/ CMX2-DL \/ CMX3-DL<\/td><td>4 GB<\/td><td>Yes (with A-Scan)<\/td><\/tr>\n<tr><td>CMX10-DL<\/td><td>4 GB with full wave capture<\/td><td>Yes (full waveform)<\/td><\/tr>\n<tr><td>PMX2-DL \/ PMX3-DL<\/td><td>4 GB<\/td><td>Yes<\/td><\/tr>\n<tr><td>FX70-DL \/ FX71-DL<\/td><td>4 GB internal<\/td><td>Yes (A\/B-Scan)<\/td><\/tr>\n<tr><td>FX81-DL<\/td><td>4 GB + SD 64 GB<\/td><td>Yes (A\/B-Scan)<\/td><\/tr>\n<tr><td>BT1-DL \/ BT2-DL<\/td><td>4 GB<\/td><td>Yes<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n<p class=\"wp-block-paragraph\">Figures verified against the official Dakota NDT datasheets. Every instrument in the &#8220;-DL&#8221; (Data Logger) family has electronic storage. <\/p>\n\n<h2 class=\"wp-block-heading\">Integration with DakMaster\u2122<\/h2>\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=\"DakMaster software for NDT data management\" class=\"wp-image-256\" style=\"width:500px\" 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<p class=\"wp-block-paragraph\">The internal data logger shows its full value when integrated with the <a href=\"https:\/\/ultrasuonindt.it\/en\/dakmaster-how-to-manage-and-archive-ndt-measurements-on-pc\/\">DakMaster\u2122<\/a> software. The typical workflow is: <\/p>\n\n<ol class=\"wp-block-list\">\n<li>Measurement campaign with automatic storage in the data logger<\/li>\n<li>Connection of the instrument to the PC at the end of the campaign (USB or Bluetooth)<\/li>\n<li>Automatic download of the data into DakMaster\u2122<\/li>\n<li>Organisation into a project structure (customer, asset, CML)<\/li>\n<li>Analysis: histograms, statistics, comparison against the baseline<\/li>\n<li>Generation of professional reports from pre-built templates<\/li>\n<li>Export to Excel, CSV and PDF for integration with company systems<\/li>\n<\/ol>\n\n<h2 class=\"wp-block-heading\">Regulatory requirements<\/h2>\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"5184\" height=\"2920\" src=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_dakota_applicaizoni_misura_spessore_tubi_piccolo_diametro.jpg?resize=5184%2C2920&#038;ssl=1\" alt=\"Structured archiving of NDT readings\" class=\"wp-image-205\" style=\"width:500px\" srcset=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_dakota_applicaizoni_misura_spessore_tubi_piccolo_diametro.jpg?w=5184&amp;ssl=1 5184w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_dakota_applicaizoni_misura_spessore_tubi_piccolo_diametro.jpg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_dakota_applicaizoni_misura_spessore_tubi_piccolo_diametro.jpg?resize=1024%2C577&amp;ssl=1 1024w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_dakota_applicaizoni_misura_spessore_tubi_piccolo_diametro.jpg?resize=768%2C433&amp;ssl=1 768w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_dakota_applicaizoni_misura_spessore_tubi_piccolo_diametro.jpg?resize=1536%2C865&amp;ssl=1 1536w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_dakota_applicaizoni_misura_spessore_tubi_piccolo_diametro.jpg?resize=2048%2C1154&amp;ssl=1 2048w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_dakota_applicaizoni_misura_spessore_tubi_piccolo_diametro.jpg?w=3000&amp;ssl=1 3000w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">Many industrial standards explicitly require structured archiving of NDT readings:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>API 570 and API 653<\/strong>: require traceability of readings per CML with the possibility of trend analysis<\/li>\n<li><strong>ASME PCC-1<\/strong>: requires documentation of the tension of each bolt tightened<\/li>\n<li><strong>AWS D1.1<\/strong>: requires storage of the A-Scan as evidence of the signal acquired<\/li>\n<li><strong>EN 4179 \/ NAS 410<\/strong> for aerospace NDT: complete traceability<\/li>\n<li><strong>NADCAP<\/strong>: qualification requirements for NDT data management systems<\/li>\n<li><strong>ISO 9712<\/strong>: personnel qualification includes the ability to produce structured reports<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Return on investment of the data logger<\/h2>\n\n<p class=\"wp-block-paragraph\">Dakota states that the average NDT inspector spends <strong>up to 30 % of the working week<\/strong> producing reports \u2014 an official figure given on the DakMaster\u2122 datasheet. Investing in an instrument with a data logger typically pays for itself within a few months thanks to: <\/p>\n\n<ul class=\"wp-block-list\">\n<li>less time spent on reporting<\/li>\n<li>fewer return visits for missing or incorrect data<\/li>\n<li>greater acceptance of reports by clients<\/li>\n<li>the ability to bid for work with demanding reporting requirements<\/li>\n<li>fewer disputes over contested data<\/li>\n<\/ul>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<p class=\"wp-block-paragraph\">For an assessment of the data logger solution best suited to Your inspection work, <a href=\"https:\/\/ultrasuonindt.it\/en\/contact\/\">contact our technical department<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The internal data logger of an ultrasonic instrument is now a requirement for professional inspections. It removes transcription errors, saves the A-Scan waveform, makes trend analysis possible and automates reporting with DakMaster\u2122. Every Dakota &#8220;-DL&#8221; instrument has a data logger of 4 GB or more.  <\/p>\n","protected":false},"author":157040980,"featured_media":8175,"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":[73,112],"tags":[79,113,115,116,76],"class_list":["post-8174","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ndt-technical-guides","category-software-and-data","tag-api-570-piping-inspection","tag-api-653-tank-inspection","tag-asme-standards-for-ndt-inspections","tag-astm-e797-ultrasonic-thickness-measurement","tag-ultrasonic-corrosion-measurement"],"yoast_head":"<!-- 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