{"id":26711,"date":"2026-07-04T14:10:16","date_gmt":"2026-07-04T12:10:16","guid":{"rendered":"https:\/\/roder.it\/products\/diacheck-ct-series-digital-arch-gauges\/arch-gauges-diacheck-ct-260p\/"},"modified":"2026-10-06T08:47:31","modified_gmt":"2026-10-06T06:47:31","slug":"arch-gauges-diacheck-ct-260p","status":"publish","type":"page","link":"https:\/\/roder.it\/en\/products\/diacheck-ct-series-digital-arch-gauges\/arch-gauges-diacheck-ct-260p\/","title":{"rendered":"Arch gauges DIACHECK-CT-260P"},"content":{"rendered":"\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-61d584a3 wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-ba02fbf7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:40%\">\n<figure class=\"wp-block-image size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/roder.it\/wp-content\/uploads\/2024\/06\/roder_archimetri-diacheck-ct_archimetri-digitali-con-appoggio-a-placchetta-260-mm_masterimage_2580x2580.png\" alt=\"DIACHECK-CT-260P digital arch gauge for measuring radii and diameters\" class=\"wp-image-9775\" style=\"border-width:1px;border-top-left-radius:20px;border-top-right-radius:20px;border-bottom-left-radius:20px;border-bottom-right-radius:20px\" srcset=\"https:\/\/roder.it\/wp-content\/uploads\/2024\/06\/roder_archimetri-diacheck-ct_archimetri-digitali-con-appoggio-a-placchetta-260-mm_masterimage_2580x2580.png 800w, https:\/\/roder.it\/wp-content\/uploads\/2024\/06\/roder_archimetri-diacheck-ct_archimetri-digitali-con-appoggio-a-placchetta-260-mm_masterimage_2580x2580-300x300.png 300w, https:\/\/roder.it\/wp-content\/uploads\/2024\/06\/roder_archimetri-diacheck-ct_archimetri-digitali-con-appoggio-a-placchetta-260-mm_masterimage_2580x2580-150x150.png?crop=1 150w, https:\/\/roder.it\/wp-content\/uploads\/2024\/06\/roder_archimetri-diacheck-ct_archimetri-digitali-con-appoggio-a-placchetta-260-mm_masterimage_2580x2580-768x768.png 768w, https:\/\/roder.it\/wp-content\/uploads\/2024\/06\/roder_archimetri-diacheck-ct_archimetri-digitali-con-appoggio-a-placchetta-260-mm_masterimage_2580x2580-120x120.png?crop=1 120w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<p class=\"has-text-color has-background wp-block-paragraph\" style=\"border-radius:0px 6px 6px 0px;border-left-color:var(--wp--preset--color--ti-accent);border-left-style:solid;border-left-width:5px;color:#1A5276;background-color:#ebf1f4;padding-top:14px;padding-right:16px;padding-bottom:14px;padding-left:16px;font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.769), 20px);font-style:italic\">The <strong>DIACHECK-CT-260P<\/strong> digital arch gauge is a radius and diameter gauge in the small range series, with pad supports (260 mm width), for direct, instantaneous reading of radii and diameters using the three-point method. This model measures the external radius only. <\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"wp-block-list is-style-checkbox has-ti-accent-color has-text-color has-link-color wp-elements-1\">\n<li><strong>Series<\/strong>: Small range<\/li>\n\n\n\n<li><strong>External radius measuring range<\/strong>: from 120 to 360 mm<\/li>\n\n\n\n<li><strong>Internal radius measuring range<\/strong>: not available<\/li>\n\n\n\n<li><strong>Support type<\/strong>: pads (260 mm width)<\/li>\n\n\n\n<li><strong>Controller<\/strong>: digital with dial indicator, 25 mm range<\/li>\n\n\n\n<li><strong>Units of measurement<\/strong>: mm and inch, Bluetooth data transmission (optional)<\/li>\n\n\n\n<li><strong>Configuration<\/strong>: removable support, interchangeable across several arches<\/li>\n\n\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p class=\"wp-block-paragraph\">The DIACHECK-CT-260P allows the <strong>radius of curvature<\/strong> and the internal or external diameter of a part to be measured using only a portion of the object to be inspected, with the circumference method based on three support points. There is no need to cut out templates, remove the part from the machine or take it out of its installation seat. <\/p>\n\n<p class=\"wp-block-paragraph\">The large LCD display (8 mm character height) allows direct reading of the measured value in mm or inch, with the option of transferring the data via <strong>Bluetooth<\/strong> to an acquisition system. The measuring instrument is mounted on a removable support and can be fitted to different arches, building several configurations with a single controller. <\/p>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<div class=\"wp-block-cover is-light popmake-11245\" style=\"border-width:1px;border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-left-radius:10px;border-bottom-right-radius:10px;min-height:250px;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"213\" class=\"wp-block-cover__image-background wp-image-14896 size-large\" alt=\"banner aiuto nella scelta dello strumento oppure della tecnologia\" src=\"https:\/\/roder.it\/wp-content\/uploads\/2026\/06\/banner_technical_support_choose_products-1024x213.png\" data-object-fit=\"cover\" srcset=\"https:\/\/roder.it\/wp-content\/uploads\/2026\/06\/banner_technical_support_choose_products-1024x213.png 1024w, https:\/\/roder.it\/wp-content\/uploads\/2026\/06\/banner_technical_support_choose_products-300x63.png 300w, https:\/\/roder.it\/wp-content\/uploads\/2026\/06\/banner_technical_support_choose_products-768x160.png 768w, https:\/\/roder.it\/wp-content\/uploads\/2026\/06\/banner_technical_support_choose_products.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#d3d6dc\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-container-core-cover-is-layout-a304f9a9 wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-right has-ti-fg-color has-text-color has-link-color wp-elements-2 wp-block-paragraph\" style=\"font-size:clamp(21.536px, 1.346rem + ((1vw - 3.2px) * 1.726), 35px);\"><strong>Would you like 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\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/roder.it\/en\/contacts\/\">Click here !<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<style>.roder-spec thead td{background:#e8edf1 !important;font-weight:700;border-bottom:2px solid #c3cfd7 !important;}.roder-spec tbody tr:nth-child(2n) td{background-color:#f2f6f8 !important;}.roder-spec tbody tr:nth-child(2n+1) td{background-color:#ffffff !important;}.roder-codici table thead td{background:#e8edf1;font-weight:700;}.roder-codici .is-style-stripes tbody tr:nth-child(2n){background-color:#f2f6f8;}.roder-codici .is-style-stripes tbody tr:nth-child(2n+1){background-color:#ffffff;}.roder-codici .codici-header{background:#e8edf1;border-bottom:2px solid #c3cfd7;margin-bottom:0;}.roder-codici .codici-header,.roder-codici .codici-row{padding:6px 12px !important;}.roder-codici .codici-header p{margin:8px 0;}.roder-codici .codici-row{margin-top:0;margin-bottom:0;}.roder-codici .codici-row p{margin:6px 0;}.roder-codici .codici-row .wp-block-column:first-child{text-align:center;}.roder-codici .codici-row figure.wp-block-image{margin-left:auto !important;margin-right:auto !important;}<\/style>\n\n<h2 class=\"wp-block-heading\">Technical characteristics<\/h2>\n\n<figure class=\"wp-block-table is-style-stripes roder-spec\"><table class=\"has-fixed-layout\"><thead><tr><td>Feature<\/td><td>Value<\/td><\/tr><\/thead><tbody><tr><td>Series<\/td><td>Small range<\/td><\/tr><tr><td>Support type<\/td><td>pads<\/td><\/tr><tr><td>Centre distance \/ width<\/td><td>260 mm<\/td><\/tr><tr><td>External radius measuring range<\/td><td>from 120 to 360 mm<\/td><\/tr><tr><td>Internal radius measuring range<\/td><td>not available<\/td><\/tr><tr><td>Controller<\/td><td>digital with dial indicator, 25 mm range<\/td><\/tr><tr><td>Display resolution<\/td><td>LCD characters, 8 mm high<\/td><\/tr><tr><td>Units of measurement<\/td><td>mm \/ inch<\/td><\/tr><tr><td>Data transmission<\/td><td>Bluetooth (-BLT versions)<\/td><\/tr><tr><td>Carrying case<\/td><td>medium (VLG-MD)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<div class=\"wp-block-group roder-codici is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Part numbers, accessories and spare parts<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">All the codes for ordering the DIACHECK-CT-260P instrument, its accessories and spare parts.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Instrument \u2013 complete kit<\/h3>\n\n\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:280px\">\n<figure class=\"wp-block-image size-large is-resized has-custom-border\"><img decoding=\"async\" class=\"has-border-color\" src=\"https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/roder-diacheck_ct-modello_diacheck_ct_260p_masterimage-web_image-1200x1200-1.webp\" alt=\"DIACHECK-CT-260P\" style=\"border-color:#cccccc;border-width:1px;border-radius:12px;width:260px\"\/><\/figure>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><td>Part number<\/td><td>Product code<\/td><td>Description<\/td><\/tr><\/thead><tbody><tr><td><strong>10-07-23<\/strong><\/td><td>DIACHECK-CT-260P<\/td><td>Complete kit, 260 mm pads &#8211; without Bluetooth<\/td><\/tr><tr><td><strong>10-07-29<\/strong><\/td><td>DIACHECK-CT-260P-BLT<\/td><td>Complete kit, 260 mm pads \u2013 with Bluetooth<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Accessories<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center codici-header 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-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:110px\">\n<p class=\"wp-block-paragraph\"><strong>Photo<\/strong><\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:22%\">\n<p class=\"wp-block-paragraph\"><strong>Part number<\/strong><\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:26%\">\n<p class=\"wp-block-paragraph\"><strong>Product code<\/strong><\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Description<\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center codici-row 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-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:110px\">\n<figure class=\"wp-block-image aligncenter size-medium is-resized has-custom-border\"><img decoding=\"async\" class=\"has-border-color\" src=\"https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/roder-diacheck_ct-modello_diacheck_ct_sp_p200_arc_solo_archetto_masterimage-web_image-1200x1200-1.webp\" alt=\"DIACHECK-CT-SP-P200-ARC\" style=\"border-color:#cccccc;border-width:1px;border-radius:8px;object-fit:contain;width:96px;height:96px\"\/><\/figure>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:22%\">\n<p class=\"wp-block-paragraph\"><strong>10-07-38<\/strong><\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:26%\">\n<p class=\"wp-block-paragraph\">DIACHECK-CT-SP-P200-ARC<\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Optional arch: changes the measuring range (becomes 200P)<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center codici-row has-background is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\" style=\"background-color:#f2f6f8\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:110px\">\n<figure class=\"wp-block-image aligncenter size-medium is-resized has-custom-border\"><img decoding=\"async\" class=\"has-border-color\" src=\"https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/roder-diacheck_ct-modello_diacheck_ct_sp_p300_arc_solo_archetto_masterimage-web_image-1200x1200-1.webp\" alt=\"DIACHECK-CT-SP-P300-ARC\" style=\"border-color:#cccccc;border-width:1px;border-radius:8px;object-fit:contain;width:96px;height:96px\"\/><\/figure>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:22%\">\n<p class=\"wp-block-paragraph\"><strong>10-07-40<\/strong><\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:26%\">\n<p class=\"wp-block-paragraph\">DIACHECK-CT-SP-P300-ARC<\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Optional arch: changes the measuring range (becomes 300P)<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center codici-row 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-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:110px\">\n<figure class=\"wp-block-image aligncenter size-medium is-resized has-custom-border\"><img decoding=\"async\" class=\"has-border-color\" src=\"https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/roder-diacheck_ct-valigetta_porta_strumenti_per_archimetri_digitali-web_image-535x535-1.webp\" alt=\"DIACHECK-CT-VLG-MD\" style=\"border-color:#cccccc;border-width:1px;border-radius:8px;object-fit:contain;width:96px;height:96px\"\/><\/figure>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:22%\">\n<p class=\"wp-block-paragraph\"><strong>10-13-55<\/strong><\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:26%\">\n<p class=\"wp-block-paragraph\">DIACHECK-CT-VLG-MD<\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Padded carrying case &#8211; medium size<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Spare parts<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center codici-header 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-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:110px\">\n<p class=\"wp-block-paragraph\"><strong>Photo<\/strong><\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:22%\">\n<p class=\"wp-block-paragraph\"><strong>Part number<\/strong><\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:26%\">\n<p class=\"wp-block-paragraph\"><strong>Product code<\/strong><\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Description<\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center codici-row 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-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:110px\">\n<p class=\"has-text-align-center wp-block-paragraph\">\u2014<\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:22%\">\n<p class=\"wp-block-paragraph\"><strong>10-07-39<\/strong><\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:26%\">\n<p class=\"wp-block-paragraph\">DIACHECK-CT-SP-P260-ARC<\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Replacement arch for the model<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center codici-row has-background is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\" style=\"background-color:#f2f6f8\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:110px\">\n<figure class=\"wp-block-image aligncenter size-medium is-resized has-custom-border\"><img decoding=\"async\" class=\"has-border-color\" src=\"https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/roder-diacheck_ct-controllore_diacheck_ct_25s_masterimage-web_image-1200x1200-1.webp\" alt=\"DIACHECK-CT-25S\" style=\"border-color:#cccccc;border-width:1px;border-radius:8px;object-fit:contain;width:96px;height:96px\"\/><\/figure>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:22%\">\n<p class=\"wp-block-paragraph\"><strong>10-07-31<\/strong><\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:26%\">\n<p class=\"wp-block-paragraph\">DIACHECK-CT-25S<\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Electronic controller, 25 mm dial indicator &#8211; without Bluetooth<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center codici-row 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-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:110px\">\n<p class=\"has-text-align-center wp-block-paragraph\">\u2014<\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:22%\">\n<p class=\"wp-block-paragraph\"><strong>10-07-34<\/strong><\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:26%\">\n<p class=\"wp-block-paragraph\">DIACHECK-CT-25S-BLT<\/p>\n<\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Electronic controller, 25 mm dial indicator &#8211; with Bluetooth<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n<h2 class=\"wp-block-heading\">Calibration and verification<\/h2>\n\n<p class=\"wp-block-paragraph\">For calibration and periodic verification of correct measurement, dedicated calibration arches are available, complete with serial number and, on request, a measurement certificate with Accredia traceability. See the page on <a href=\"https:\/\/roder.it\/prodotti\/archimetri-digitali-serie-diacheck-ct\/calibratori-per-archimetri\/\"><strong>calibrators for DIACHECK-CT arch gauges<\/strong><\/a> for models, radii and part numbers. <\/p>\n\n<h2 class=\"wp-block-heading\">Typical applications<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Measuring the radius of curvature of bent tubes, profiles and ribs.<\/li>\n\n\n\n<li>Measuring the external diameter of tubes and pipelines, even if already installed or buried.<\/li>\n\n\n\n<li>Measuring the radius of curvature of curved and rolled sheet metal and body panels.<\/li>\n\n\n\n<li>Checking the curvature of profiles during processing on profile bending machines, press brakes and forming systems.<\/li>\n\n\n\n<li>Checking and comparing the mathematical model of geometric shapes produced by CNC.<\/li>\n\n\n\n<li>Inspecting rolled or welded products and checking correct assembly during fitting.<\/li>\n\n\n<\/ul>\n\n<p class=\"wp-block-paragraph\">DIACHECK-CT-260P is part of the complete range of <a href=\"https:\/\/roder.it\/en\/products\/diacheck-ct-series-digital-arch-gauges\/\"><strong>DIACHECK-CT series digital arch gauges<\/strong><\/a>: from the series page, all the models and their measuring ranges can be compared.<\/p>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-1\"><strong class=\"schema-faq-question\">Which radii does the DIACHECK-CT-260P measure?<\/strong> <p class=\"schema-faq-answer\">The model measures the external radius from 120 to 360 mm; internal radius measurement is not available. Pad supports (260 mm width).<\/p> <\/div><div class=\"schema-faq-section\" id=\"faq-2\"><strong class=\"schema-faq-question\">Is the DIACHECK-CT-260P available with Bluetooth?<\/strong> <p class=\"schema-faq-answer\">Yes: each kit is available in a version without Bluetooth and in a version with Bluetooth (code with the -BLT suffix) for wireless transmission of the measured value.<\/p> <\/div><div class=\"schema-faq-section\" id=\"faq-3\"><strong class=\"schema-faq-question\">Can the measuring range of the DIACHECK-CT-260P be changed?<\/strong> <p class=\"schema-faq-answer\">Yes: the measuring instrument is removable and can be fitted to arches of different sizes, listed among the accessories, thereby changing the measuring range with a single controller.<\/p> <\/div><\/div>\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-ti-accent-color has-text-color has-link-color wp-elements-3\">Contacts &amp; Information<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Contact for general information : <a href=\"mailto:info@roder.it\">info@roder.it<\/a><br\/><br\/>Machine Vision Division of RODER : <a href=\"http:\/\/www.rodervision.com\">www.rodervision.com<\/a><br\/>RODER Instruments Division : <a href=\"http:\/\/www.rodervision.com\">www.innovacheck.com<\/a><br\/>More about RODER : <a href=\"https:\/\/roder.it\/en\/contacts\/\">about us<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The information contained in this website is provided for information purposes only. Although it has been prepared with the greatest care, it does not constitute a contractual offer or a binding commitment to supply. It may contain transcription, translation or typographical errors. For precise and up-to-date information, please contact our company directly.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Note:<\/strong> Some images on this website have been intentionally generated using artificial intelligence (AI). This is because, for many applications and projects, photographs of the actual installation or system cannot be disclosed owing to confidentiality agreements, contractual clauses and non-disclosure agreements (NDAs). <\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The DIACHECK-CT-260P digital arch gauge is a radius and diameter gauge in the small range series, with pad supports (260 mm width), for direct, instantaneous reading of radii and diameters using the three-point method. This model measures the external radius only. The DIACHECK-CT-260P allows the radius of curvature and the internal or external diameter of [&hellip;]<\/p>\n","protected":false},"author":157040980,"featured_media":0,"parent":18214,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_yoast_wpseo_focuskw":"","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_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,"footnotes":""},"class_list":["post-26711","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Arch gauges DIACHECK-CT-260P - RODER SRL<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/roder.it\/en\/products\/diacheck-ct-series-digital-arch-gauges\/arch-gauges-diacheck-ct-260p\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Arch gauges DIACHECK-CT-260P - RODER SRL\" \/>\n<meta property=\"og:description\" content=\"The DIACHECK-CT-260P digital arch gauge is a radius and diameter gauge in the small range series, with pad supports (260 mm width), for direct, instantaneous reading of radii and diameters using the three-point method. 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Measuring the radius of curvature of tubes and curved profiles Analysis of complex profiles\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"archimetri diacheck per misure di raggio e di diametro","src":"https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2022\/12\/DIACHECK-ESTERNI.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2022\/12\/DIACHECK-ESTERNI.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2022\/12\/DIACHECK-ESTERNI.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2022\/12\/DIACHECK-ESTERNI.png?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2022\/12\/DIACHECK-ESTERNI.png?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2022\/12\/DIACHECK-ESTERNI.png?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":26693,"url":"https:\/\/roder.it\/en\/products\/diacheck-ct-series-digital-arch-gauges\/arch-gauges-diacheck-ct-200p\/","url_meta":{"origin":26711,"position":1},"title":"Arch gauges DIACHECK-CT-200P","author":"GSM","date":"4 July 2026","format":false,"excerpt":"The DIACHECK-CT-200P digital arch gauge is a radius and diameter gauge in the small range series, with pad supports (200 mm width), for direct, instantaneous reading of radii and diameters using the three-point method. This model measures the external radius only. Series: Small range External radius measuring range: from 80\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"archimetri digitali per misure di raggi e diametri con appoggio a piastrine 200 mm","src":"https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2024\/06\/roder_diacheck-ct_archimetri-digitali-per-misure-di-raggi-e-diametri-con-appoggio-a-piastrine-200-mm_masterimage_2740x2740.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2024\/06\/roder_diacheck-ct_archimetri-digitali-per-misure-di-raggi-e-diametri-con-appoggio-a-piastrine-200-mm_masterimage_2740x2740.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2024\/06\/roder_diacheck-ct_archimetri-digitali-per-misure-di-raggi-e-diametri-con-appoggio-a-piastrine-200-mm_masterimage_2740x2740.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2024\/06\/roder_diacheck-ct_archimetri-digitali-per-misure-di-raggi-e-diametri-con-appoggio-a-piastrine-200-mm_masterimage_2740x2740.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":26729,"url":"https:\/\/roder.it\/en\/products\/diacheck-ct-series-digital-arch-gauges\/arch-gauges-diacheck-ct-300p\/","url_meta":{"origin":26711,"position":2},"title":"Arch gauges DIACHECK-CT-300P","author":"GSM","date":"4 July 2026","format":false,"excerpt":"The DIACHECK-CT-300P digital arch gauge is a radius and diameter gauge in the small range series, with pad supports (300 mm width), for direct, instantaneous reading of radii and diameters using the three-point method. This model measures the external radius only. Series: Small range External radius measuring range: from 160\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"archimetro digitale con appoggio a placchette 300 mm per misure di raggi e diametri","src":"https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2024\/06\/roder_diacheck-ct_archimetro-digitale-con-appoggio-a-placchette-300-mm-per-misure-di-raggi-e-diametri_masterimage_2620x2620.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2024\/06\/roder_diacheck-ct_archimetro-digitale-con-appoggio-a-placchette-300-mm-per-misure-di-raggi-e-diametri_masterimage_2620x2620.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2024\/06\/roder_diacheck-ct_archimetro-digitale-con-appoggio-a-placchette-300-mm-per-misure-di-raggi-e-diametri_masterimage_2620x2620.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2024\/06\/roder_diacheck-ct_archimetro-digitale-con-appoggio-a-placchette-300-mm-per-misure-di-raggi-e-diametri_masterimage_2620x2620.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":26951,"url":"https:\/\/roder.it\/en\/products\/diacheck-ct-series-digital-arch-gauges\/calibrators-for-arch-gauges\/","url_meta":{"origin":26711,"position":3},"title":"Calibrators for arch gauges","author":"GSM","date":"4 July 2026","format":false,"excerpt":"Calibrators for DIACHECK-CT arch gauges are calibration arches with a known verification radius, used both for calibrating the instrument and for periodic verification of correct measurement. They come with a serial number and, on request, a measurement certificate with Accredia traceability. Roller type (CALIE): double verification radius, external and internal\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"archimetri diacheck per misure di raggio e di diametro","src":"https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2022\/12\/DIACHECK-ESTERNI.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2022\/12\/DIACHECK-ESTERNI.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2022\/12\/DIACHECK-ESTERNI.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2022\/12\/DIACHECK-ESTERNI.png?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2022\/12\/DIACHECK-ESTERNI.png?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2022\/12\/DIACHECK-ESTERNI.png?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":26783,"url":"https:\/\/roder.it\/en\/products\/diacheck-ct-series-digital-arch-gauges\/arch-gauges-diacheck-ct-80c\/","url_meta":{"origin":26711,"position":4},"title":"Arch gauges DIACHECK-CT-80C","author":"GSM","date":"4 July 2026","format":false,"excerpt":"The DIACHECK-CT-80C digital arch gauge is a radius and diameter gauge in the small range series, with roller supports (80 mm centre distance), for direct, instantaneous reading of radii and diameters using the three-point method. Series: Small range External radius measuring range: from 90 to 260 mm Internal radius measuring\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"archimetro per misura di raggi e diametri con appoggio a rulli 80 mm","src":"https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2024\/06\/roder_diacheck-ct_archimetro-per-misura-di-raggi-e-diametri-con-appoggio-a-rulli-80-mm_masterimage_2000x2000.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2024\/06\/roder_diacheck-ct_archimetro-per-misura-di-raggi-e-diametri-con-appoggio-a-rulli-80-mm_masterimage_2000x2000.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2024\/06\/roder_diacheck-ct_archimetro-per-misura-di-raggi-e-diametri-con-appoggio-a-rulli-80-mm_masterimage_2000x2000.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2024\/06\/roder_diacheck-ct_archimetro-per-misura-di-raggi-e-diametri-con-appoggio-a-rulli-80-mm_masterimage_2000x2000.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":26747,"url":"https:\/\/roder.it\/en\/products\/diacheck-ct-series-digital-arch-gauges\/arch-gauges-diacheck-ct-500c-e\/","url_meta":{"origin":26711,"position":5},"title":"Arch gauges DIACHECK-CT-500C-E","author":"GSM","date":"4 July 2026","format":false,"excerpt":"The DIACHECK-CT-500C-E digital arch gauge is a radius and diameter gauge in the extended range series, with roller supports (500 mm centre distance), for direct, instantaneous reading of radii and diameters using the three-point method. This model measures the external radius only. Series: Extended range External radius measuring range: from\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"archimetro digitale per misure di raggi e diametri appoggio a rullino 500 mm","src":"https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2024\/06\/roder_diacheck-ct_archimetro-digitale-per-misure-di-raggi-e-diametri-appoggio-a-rullino-500-mm_masterimage_3300x3300.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2024\/06\/roder_diacheck-ct_archimetro-digitale-per-misure-di-raggi-e-diametri-appoggio-a-rullino-500-mm_masterimage_3300x3300.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2024\/06\/roder_diacheck-ct_archimetro-digitale-per-misure-di-raggi-e-diametri-appoggio-a-rullino-500-mm_masterimage_3300x3300.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2024\/06\/roder_diacheck-ct_archimetro-digitale-per-misure-di-raggi-e-diametri-appoggio-a-rullino-500-mm_masterimage_3300x3300.png?resize=700%2C400&ssl=1 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/roder.it\/en\/wp-json\/wp\/v2\/pages\/26711","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/roder.it\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/roder.it\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/roder.it\/en\/wp-json\/wp\/v2\/users\/157040980"}],"replies":[{"embeddable":true,"href":"https:\/\/roder.it\/en\/wp-json\/wp\/v2\/comments?post=26711"}],"version-history":[{"count":3,"href":"https:\/\/roder.it\/en\/wp-json\/wp\/v2\/pages\/26711\/revisions"}],"predecessor-version":[{"id":26714,"href":"https:\/\/roder.it\/en\/wp-json\/wp\/v2\/pages\/26711\/revisions\/26714"}],"up":[{"embeddable":true,"href":"https:\/\/roder.it\/en\/wp-json\/wp\/v2\/pages\/18214"}],"wp:attachment":[{"href":"https:\/\/roder.it\/en\/wp-json\/wp\/v2\/media?parent=26711"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}