{"id":13405,"date":"2025-05-13T21:23:36","date_gmt":"2025-05-13T21:23:36","guid":{"rendered":"https:\/\/kttc.tu-sofia.bg\/accredited-laboratories\/"},"modified":"2025-10-21T09:04:00","modified_gmt":"2025-10-21T09:04:00","slug":"accredited-laboratories","status":"publish","type":"page","link":"https:\/\/kttc.tu-sofia.bg\/en\/for-business\/accredited-laboratories\/","title":{"rendered":"Accredited Laboratories"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"13405\" class=\"elementor elementor-13405 elementor-11362\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1d92ba84 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1d92ba84\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7eff5896\" data-id=\"7eff5896\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0dc01d9 elementor-widget__width-initial elementor-widget elementor-widget-vc_custom_heading\" data-id=\"0dc01d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"vc_custom_heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\" vc_custom_heading  consulting_heading_font  text_align_center title_no_stripe\" ><h3 style=\"color: #FAFAFA;text-align: center;font-weight:900\" class=\"consulting-custom-title\">Accredited Laboratories \n<\/h3><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0118eba elementor-widget__width-inherit elementor-widget elementor-widget-spacer\" data-id=\"0118eba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-827cb76 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"827cb76\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0edfed8\" data-id=\"0edfed8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-422604c elementor-widget elementor-widget-hfe-breadcrumbs-widget\" data-id=\"422604c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"hfe-breadcrumbs-widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<nav aria-label=\"Breadcrumb\"><ul class=\"hfe-breadcrumbs hfe-breadcrumbs-show-home\"><li class=\"hfe-breadcrumbs-item hfe-breadcrumbs-first\"><span class=\"hfe-breadcrumbs-home-icon\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-home\" viewBox=\"0 0 576 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M280.37 148.26L96 300.11V464a16 16 0 0 0 16 16l112.06-.29a16 16 0 0 0 15.92-16V368a16 16 0 0 1 16-16h64a16 16 0 0 1 16 16v95.64a16 16 0 0 0 16 16.05L464 480a16 16 0 0 0 16-16V300L295.67 148.26a12.19 12.19 0 0 0-15.3 0zM571.6 251.47L488 182.56V44.05a12 12 0 0 0-12-12h-56a12 12 0 0 0-12 12v72.61L318.47 43a48 48 0 0 0-61 0L4.34 251.47a12 12 0 0 0-1.6 16.9l25.5 31A12 12 0 0 0 45.15 301l235.22-193.74a12.19 12.19 0 0 1 15.3 0L530.9 301a12 12 0 0 0 16.9-1.6l25.5-31a12 12 0 0 0-1.7-16.93z\"><\/path><\/svg><\/span><a href=\"https:\/\/kttc.tu-sofia.bg\/en\/\"><span class=\"hfe-breadcrumbs-text\">Home<\/span><\/a><\/li><\/ul><\/nav>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4cb7546 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"4cb7546\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-316ca12 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"316ca12\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-61bdaaf5\" data-id=\"61bdaaf5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b410b47 elementor-widget elementor-widget-vc_custom_heading\" data-id=\"b410b47\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"vc_custom_heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\" vc_custom_heading  consulting_heading_font  text_align_center stripe_bottom\" ><h3 style=\"text-align: center;font-weight:700\" class=\"consulting-custom-title\">The Technical University of Sofia has five accredited laboratories:\n<\/h3><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a3682e6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a3682e6\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f6f0d93\" data-id=\"f6f0d93\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-719e604 elementor-widget elementor-widget-text-editor\" data-id=\"719e604\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Accredited laboratories are registered in both national and European registers. They are authorized to perform the activities for which they are accredited and to issue reports with their results. These results are recognized throughout the European Union and by all countries with which the EU has mutual recognition agreements.  <\/p>\n<p>Accreditation ensures that the laboratory strictly adheres to internationally recognized standards. For testing laboratories, accreditation is according to ISO\/IEC 17025, and for inspection bodies, according to ISO\/IEC 17020. This is the hallmark of technical competence and precision in laboratory activities worldwide.  <\/p>\n<p>According to ISO\/IEC 17020 and ISO\/IEC 17025 Standards, the laboratory&#8217;s expertise is guaranteed through on-site assessment by technical experts from an independent accreditation body authorized to perform this activity. The on-site assessment process involves a thorough review of the laboratory&#8217;s management system and quality system, evaluating all factors and technical characteristics necessary for obtaining reliable data: <\/p>\n<ul>\n<li style=\"text-align: left;\">reliability and quality of technical equipment;<\/li>\n<li style=\"text-align: left;\">competence and qualification of personnel;<\/li>\n<li style=\"text-align: left;\">validity and appropriateness of testing methods;<\/li>\n<li style=\"text-align: left;\">suitability, calibration, and maintenance of equipment;<\/li>\n<li style=\"text-align: left;\">quality assurance and data retrievability;<\/li>\n<li style=\"text-align: left;\">monitoring and documentation;<\/li>\n<li style=\"text-align: left;\">parameters of the working environment, etc.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2a43c73d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2a43c73d\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-1b84ef8\" data-id=\"1b84ef8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e8fb5b2 elementor-widget elementor-widget-vc_custom_heading\" data-id=\"e8fb5b2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"vc_custom_heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\" vc_custom_heading  consulting_heading_font  text_align_left title_no_stripe\" ><h4 style=\"text-align: left\" class=\"consulting-custom-title\">Type C Inspection Body \"Electromagnetic Compatibility\"\n<\/h4><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-3143cc26 elementor-invisible\" data-id=\"3143cc26\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;animation&quot;:&quot;slideInLeft&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-81042bd elementor-widget elementor-widget-image\" data-id=\"81042bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/1_\u0421\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442_\u041e\u041a\u0421_\u0415\u043b\u0435\u043a\u0442\u0440\u043e\u043c\u0430\u0433\u043d\u0438\u0442\u043d\u0430_\u0441\u044a\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442.pdf\" target=\"_blank\" rel=\"nofollow\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"716\" height=\"1024\" src=\"https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/1_\u0421\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442_\u041e\u041a\u0421_\u0415\u043b\u0435\u043a\u0442\u0440\u043e\u043c\u0430\u0433\u043d\u0438\u0442\u043d\u0430_\u0441\u044a\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442-716x1024.jpg\" class=\"attachment-large size-large wp-image-13407\" alt=\"1_Certificate_ICS_Electromagnetic_Compatibility\" srcset=\"https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/1_\u0421\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442_\u041e\u041a\u0421_\u0415\u043b\u0435\u043a\u0442\u0440\u043e\u043c\u0430\u0433\u043d\u0438\u0442\u043d\u0430_\u0441\u044a\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442-716x1024.jpg 716w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/1_\u0421\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442_\u041e\u041a\u0421_\u0415\u043b\u0435\u043a\u0442\u0440\u043e\u043c\u0430\u0433\u043d\u0438\u0442\u043d\u0430_\u0441\u044a\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442-210x300.jpg 210w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/1_\u0421\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442_\u041e\u041a\u0421_\u0415\u043b\u0435\u043a\u0442\u0440\u043e\u043c\u0430\u0433\u043d\u0438\u0442\u043d\u0430_\u0441\u044a\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442-768x1098.jpg 768w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/1_\u0421\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442_\u041e\u041a\u0421_\u0415\u043b\u0435\u043a\u0442\u0440\u043e\u043c\u0430\u0433\u043d\u0438\u0442\u043d\u0430_\u0441\u044a\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442.jpg 800w\" sizes=\"(max-width: 716px) 100vw, 716px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-3b5bd92\" data-id=\"3b5bd92\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0c490f2 elementor-widget elementor-widget-vc_custom_heading\" data-id=\"0c490f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"vc_custom_heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\" vc_custom_heading  consulting_heading_font  text_align_left title_no_stripe\" ><h4 style=\"text-align: left\" class=\"consulting-custom-title\">Research, Testing, and Calibration Laboratory for Lighting Engineering\n<\/h4><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-328442b elementor-invisible\" data-id=\"328442b\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;animation&quot;:&quot;slideInLeft&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2e9dbd3 elementor-widget elementor-widget-image\" data-id=\"2e9dbd3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/2_CERTIFICAT-I-ZAPOVED-07.03.2024-BG.pdf\" target=\"_blank\" rel=\"nofollow\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"724\" height=\"1024\" src=\"https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/2_CERTIFICAT-I-ZAPOVED-07.03.2024-BG_Page_1-724x1024.jpg\" class=\"attachment-large size-large wp-image-13408\" alt=\"2_CERTIFICATE AND ORDER-07.03.2024 BG_Page_1\" srcset=\"https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/2_CERTIFICAT-I-ZAPOVED-07.03.2024-BG_Page_1-724x1024.jpg 724w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/2_CERTIFICAT-I-ZAPOVED-07.03.2024-BG_Page_1-212x300.jpg 212w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/2_CERTIFICAT-I-ZAPOVED-07.03.2024-BG_Page_1-768x1086.jpg 768w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/2_CERTIFICAT-I-ZAPOVED-07.03.2024-BG_Page_1-1086x1536.jpg 1086w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/2_CERTIFICAT-I-ZAPOVED-07.03.2024-BG_Page_1-900x1272.jpg 900w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/2_CERTIFICAT-I-ZAPOVED-07.03.2024-BG_Page_1.jpg 1242w\" sizes=\"(max-width: 724px) 100vw, 724px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6ce82a8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6ce82a8\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-2872487\" data-id=\"2872487\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-62b0624 elementor-widget elementor-widget-vc_custom_heading\" data-id=\"62b0624\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"vc_custom_heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\" vc_custom_heading  consulting_heading_font  text_align_left title_no_stripe\" ><h4 style=\"text-align: left\" class=\"consulting-custom-title\">Vibroacoustic Laboratory\n<\/h4><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-1ed59ca elementor-invisible\" data-id=\"1ed59ca\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;animation&quot;:&quot;slideInLeft&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-750d761 elementor-widget elementor-widget-image\" data-id=\"750d761\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/3_\u0421\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442-\u0437\u0430-\u0430\u043a\u0440\u0435\u0434\u0438\u0442\u0430\u0446\u0438\u044f-\u0428\u0443\u043c-\u0438-\u0432\u0438\u0431\u0440\u0430\u0446\u0438\u0438.pdf\" target=\"_blank\" rel=\"nofollow\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"720\" height=\"1024\" src=\"https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/3_\u0421\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442-\u0437\u0430-\u0430\u043a\u0440\u0435\u0434\u0438\u0442\u0430\u0446\u0438\u044f-\u0428\u0443\u043c-\u0438-\u0432\u0438\u0431\u0440\u0430\u0446\u0438\u0438_Page_1-720x1024.jpg\" class=\"attachment-large size-large wp-image-13409\" alt=\"3_Certificate of Accreditation Noise and Vibrations_Page_1\" srcset=\"https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/3_\u0421\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442-\u0437\u0430-\u0430\u043a\u0440\u0435\u0434\u0438\u0442\u0430\u0446\u0438\u044f-\u0428\u0443\u043c-\u0438-\u0432\u0438\u0431\u0440\u0430\u0446\u0438\u0438_Page_1-720x1024.jpg 720w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/3_\u0421\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442-\u0437\u0430-\u0430\u043a\u0440\u0435\u0434\u0438\u0442\u0430\u0446\u0438\u044f-\u0428\u0443\u043c-\u0438-\u0432\u0438\u0431\u0440\u0430\u0446\u0438\u0438_Page_1-211x300.jpg 211w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/3_\u0421\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442-\u0437\u0430-\u0430\u043a\u0440\u0435\u0434\u0438\u0442\u0430\u0446\u0438\u044f-\u0428\u0443\u043c-\u0438-\u0432\u0438\u0431\u0440\u0430\u0446\u0438\u0438_Page_1-768x1092.jpg 768w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/3_\u0421\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442-\u0437\u0430-\u0430\u043a\u0440\u0435\u0434\u0438\u0442\u0430\u0446\u0438\u044f-\u0428\u0443\u043c-\u0438-\u0432\u0438\u0431\u0440\u0430\u0446\u0438\u0438_Page_1-1080x1536.jpg 1080w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/3_\u0421\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442-\u0437\u0430-\u0430\u043a\u0440\u0435\u0434\u0438\u0442\u0430\u0446\u0438\u044f-\u0428\u0443\u043c-\u0438-\u0432\u0438\u0431\u0440\u0430\u0446\u0438\u0438_Page_1-1440x2048.jpg 1440w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/3_\u0421\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442-\u0437\u0430-\u0430\u043a\u0440\u0435\u0434\u0438\u0442\u0430\u0446\u0438\u044f-\u0428\u0443\u043c-\u0438-\u0432\u0438\u0431\u0440\u0430\u0446\u0438\u0438_Page_1-900x1280.jpg 900w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/3_\u0421\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442-\u0437\u0430-\u0430\u043a\u0440\u0435\u0434\u0438\u0442\u0430\u0446\u0438\u044f-\u0428\u0443\u043c-\u0438-\u0432\u0438\u0431\u0440\u0430\u0446\u0438\u0438_Page_1-scaled.jpg 1800w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-4783c65\" data-id=\"4783c65\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ab45b93 elementor-widget elementor-widget-vc_custom_heading\" data-id=\"ab45b93\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"vc_custom_heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\" vc_custom_heading  consulting_heading_font  text_align_left title_no_stripe\" ><h4 style=\"text-align: left\" class=\"consulting-custom-title\">Laboratory for Testing, Modeling, Analysis, and Synthesis of Mechatronic Systems for Railway Transport\n<\/h4><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-2e28ff8 elementor-invisible\" data-id=\"2e28ff8\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;animation&quot;:&quot;slideInLeft&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-54d97fa elementor-widget elementor-widget-image\" data-id=\"54d97fa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/4_Certificate\u043e\u0431\u043b\u0430\u0441\u0442-BG.pdf\" target=\"_blank\" rel=\"nofollow\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"724\" height=\"1024\" src=\"https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/10\/certificate_eng-724x1024.jpg\" class=\"attachment-large size-large wp-image-13410\" alt=\"4_Certificate+scope EN\" srcset=\"https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/10\/certificate_eng-724x1024.jpg 724w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/10\/certificate_eng-212x300.jpg 212w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/10\/certificate_eng-768x1086.jpg 768w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/10\/certificate_eng-1086x1536.jpg 1086w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/10\/certificate_eng-900x1273.jpg 900w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/10\/certificate_eng.jpg 1273w\" sizes=\"(max-width: 724px) 100vw, 724px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-343f24f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"343f24f\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-dddda06\" data-id=\"dddda06\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6702191 elementor-widget elementor-widget-vc_custom_heading\" data-id=\"6702191\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"vc_custom_heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\" vc_custom_heading  consulting_heading_font  text_align_left title_no_stripe\" ><h4 style=\"text-align: left\" class=\"consulting-custom-title\">By decision of the European Commission, \"Technical University of Sofia \u2013 Technologies\" Ltd. \u2013 \"Lift Certificate TU \u2013 Sofia\" performs assessment of elevators and safety components for elevators.\n<\/h4><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-039df57 elementor-invisible\" data-id=\"039df57\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;animation&quot;:&quot;slideInLeft&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-356450a elementor-widget elementor-widget-image\" data-id=\"356450a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/5_Razreshenie_LSTUS_2021-BG.pdf\" target=\"_blank\" rel=\"nofollow\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"745\" height=\"1024\" src=\"https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/5_Razreshenie_LSTUS_2021-BG_Page_1-745x1024.jpg\" class=\"attachment-large size-large wp-image-13411\" alt=\"5_Permit_LSTUS_2021 BG\" srcset=\"https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/5_Razreshenie_LSTUS_2021-BG_Page_1-745x1024.jpg 745w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/5_Razreshenie_LSTUS_2021-BG_Page_1-218x300.jpg 218w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/5_Razreshenie_LSTUS_2021-BG_Page_1-768x1055.jpg 768w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/5_Razreshenie_LSTUS_2021-BG_Page_1-1118x1536.jpg 1118w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/5_Razreshenie_LSTUS_2021-BG_Page_1-1490x2048.jpg 1490w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/5_Razreshenie_LSTUS_2021-BG_Page_1-900x1237.jpg 900w, https:\/\/kttc.tu-sofia.bg\/wp-content\/uploads\/2025\/07\/5_Razreshenie_LSTUS_2021-BG_Page_1-scaled.jpg 1863w\" sizes=\"(max-width: 745px) 100vw, 745px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-47c82e2e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"47c82e2e\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-28844e82\" data-id=\"28844e82\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-38e241d elementor-widget elementor-widget-spacer\" data-id=\"38e241d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Accredited Laboratories Home The Technical University of Sofia has five accredited laboratories: Accredited laboratories are registered in both national and European registers. They are authorized to perform the activities for which they are accredited and to issue reports with their results. These results are recognized throughout the European Union and by all countries with which<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":13530,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"iawp_total_views":47,"footnotes":""},"class_list":["post-13405","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/kttc.tu-sofia.bg\/en\/wp-json\/wp\/v2\/pages\/13405","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kttc.tu-sofia.bg\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/kttc.tu-sofia.bg\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/kttc.tu-sofia.bg\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kttc.tu-sofia.bg\/en\/wp-json\/wp\/v2\/comments?post=13405"}],"version-history":[{"count":1,"href":"https:\/\/kttc.tu-sofia.bg\/en\/wp-json\/wp\/v2\/pages\/13405\/revisions"}],"predecessor-version":[{"id":13412,"href":"https:\/\/kttc.tu-sofia.bg\/en\/wp-json\/wp\/v2\/pages\/13405\/revisions\/13412"}],"up":[{"embeddable":true,"href":"https:\/\/kttc.tu-sofia.bg\/en\/wp-json\/wp\/v2\/pages\/13530"}],"wp:attachment":[{"href":"https:\/\/kttc.tu-sofia.bg\/en\/wp-json\/wp\/v2\/media?parent=13405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}