{"id":198057,"date":"2026-10-12T12:00:00","date_gmt":"2026-10-12T12:00:00","guid":{"rendered":"https:\/\/m-technologijos.lt\/?post_type=products&#038;p=198057"},"modified":"2026-10-12T18:09:43","modified_gmt":"2026-10-12T15:09:43","slug":"foerster-reference-defects-standards-ndt","status":"publish","type":"products","link":"https:\/\/m-technologijos.lt\/en\/equipment\/flaw-detection-ndt\/eddy-current-testing-et\/foerster-reference-defects-standards-ndt\/","title":{"rendered":"Foerster reference defects and standards \u2013 for setting up and calibrating NDT instruments"},"content":{"rendered":"<h2>Applications<\/h2>\n<p>Setting up and periodically checking eddy current instruments requires test-piece standards with artificial defects \u2013 natural defects cannot be reproduced and are often not available. Foerster introduces reference cracks and pores into your part by electrical discharge machining (EDM) according to national or international standards or customer specification; the defects are measured and certified according to DIN EN ISO 9001, and the standards can be engraved or laser marked. Standard reference pieces for DEFECTOMETER M, TCM, SIGMATEST and MAGNETOSCOP instruments are also available.<\/p>\n<h2>Models and accessories<\/h2>\n<table>\n<thead>\n<tr>\n<th>Standard<\/th>\n<th>Purpose and properties<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Reference defects in the part (EDM)<\/td>\n<td>cracks: width 0.04\u20131.0 mm, depth 0.02\u20135.0 mm, length 0.5\u201340 mm; pores \u00d8 0.2\u20133 mm, depth 0.02\u20135 diameters; holes from \u00d8 0.2 mm<\/td>\n<\/tr>\n<tr>\n<td>Flat crack standards<\/td>\n<td>for setting the sensitivity of DEFECTOMETER M, TCM and other ET instruments; materials NFe, Fe, austenitic steel, titanium; with DAkkS calibration certificate<\/td>\n<\/tr>\n<tr>\n<td>Hole standards<\/td>\n<td>for calibrating ET systems with rotating probes: SCCS (split) and CSRP (notched); custom versions available<\/td>\n<\/tr>\n<tr>\n<td>Electrical conductivity standards<\/td>\n<td>for setting up SIGMATEST; traceable to NPL alternating current measurements as standard, PTB direct current on request<\/td>\n<\/tr>\n<tr>\n<td>Magnetic permeability standards<\/td>\n<td>for checking MAGNETOSCOP 1.070; individually certified \u00b5r values (e.g. 1.0055 \/ 1.0368 \/ 1.153), 30 kA\/m, \u00d8 34.2 \u00d7 25 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>What we offer<\/h2>\n<ul>\n<li>Selection of the instrument and configuration for your task, together with the manufacturer<\/li>\n<li>Trial measurements of your parts in the manufacturer&#8217;s laboratory<\/li>\n<li>Training, calibration and service organised through the manufacturer<\/li>\n<\/ul>\n<p><a class=\"fl-button mt-cta\" href=\"\/en\/contacts\/\">Request a quote<\/a><\/p>\n<p class=\"mt-source\"><small>Technical data according to the manufacturer: <a href=\"https:\/\/www.foerstergroup.com\/en\/reference-defects-and-standards\" rel=\"nofollow noopener\" target=\"_blank\">foerstergroup.com<\/a><\/small><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Reference defects and standards for setting up and periodically checking eddy current, electrical conductivity and magnetic permeability instruments.<\/p>\n","protected":false},"featured_media":98058,"template":"","meta":{"mt_image_url":"","footnotes":""},"categories":[236],"class_list":["post-198057","products","type-products","status-publish","has-post-thumbnail","hentry","category-eddy-current-testing-et"],"_links":{"self":[{"href":"https:\/\/m-technologijos.lt\/en\/wp-json\/wp\/v2\/products\/198057","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/m-technologijos.lt\/en\/wp-json\/wp\/v2\/products"}],"about":[{"href":"https:\/\/m-technologijos.lt\/en\/wp-json\/wp\/v2\/types\/products"}],"version-history":[{"count":1,"href":"https:\/\/m-technologijos.lt\/en\/wp-json\/wp\/v2\/products\/198057\/revisions"}],"predecessor-version":[{"id":198083,"href":"https:\/\/m-technologijos.lt\/en\/wp-json\/wp\/v2\/products\/198057\/revisions\/198083"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/m-technologijos.lt\/en\/wp-json\/wp\/v2\/media\/98058"}],"wp:attachment":[{"href":"https:\/\/m-technologijos.lt\/en\/wp-json\/wp\/v2\/media?parent=198057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m-technologijos.lt\/en\/wp-json\/wp\/v2\/categories?post=198057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}