{"id":57821,"date":"2025-07-14T06:00:04","date_gmt":"2025-07-14T04:00:04","guid":{"rendered":"https:\/\/www.esz-ag.de\/?page_id=57821"},"modified":"2026-02-18T15:13:29","modified_gmt":"2026-02-18T14:13:29","slug":"proficiency-tests","status":"publish","type":"page","link":"https:\/\/www.esz-ag.de\/en\/branchen-loesungen\/proficiency-tests\/","title":{"rendered":"Proficiency tests"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row bg_position=&#8221;right center&#8221; css=&#8221;.vc_custom_1662113468621{margin-bottom: 160px !important;background-position: center !important;background-repeat: no-repeat !important;background-size: contain !important;}&#8221; el_class=&#8221;hero-section-subpage&#8221; responsive_css=&#8221;margin_top_medium:64px&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_column_text el_class=&#8221;hero-section-text&#8221; css=&#8221;.vc_custom_1754467193324{margin-bottom: 16px !important;}&#8221;]<\/p>\n<p class=\"subline\">Proficiency tests<\/p>\n<p>[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1754467204928{margin-bottom: 24px !important;}&#8221;]<\/p>\n<h1>Proficiency tests with esz AG<\/h1>\n<p>[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1754485579991{margin-bottom: 32px !important;}&#8221; el_class=&#8221;hero-section-text&#8221;]Are you planning a proficiency test? Our metrology experts will assist you in the design, implementation, and evaluation of your test and support you in the validation of your measurement procedures.<\/p>\n<p>esz AG offers proficiency testing in accordance with its accreditation under DIN EN ISO\/IEC 17043:2023. The current scope of our accreditation can be found in the <a href=\"https:\/\/www.esz-ag.de\/wp-content\/uploads\/Anlage-zur-Akkreditierung-Eignungspruefungen-ocr-1.pdf\">annex to the accreditation certificate<\/a>.<\/p>\n<p>Alternatively, esz AG can also carry out proficiency tests outside the accredited area in accordance with the service portfolio of our calibration laboratories.[\/vc_column_text]<a href=\"https:\/\/www.esz-ag.de\/wp-content\/uploads\/Eignungspruefung_Broschuere_DE.pdf\" title=\"Brochure\" target=\"_blank\" class=\"btn btn-solid btn-sm circle btn-bordered border-thin ld_button_69f2aef21f510 vc_custom_1771423949862\">\n\t<span>\n\t\t\n\t\t\t\t\t<span class=\"btn-txt\">Brochure<\/span>\n\t\t\t\n\t<span class=\"btn-icon\"><i class=\"far fa-arrow-alt-circle-down\"><\/i><\/span>\t\t\t<\/span>\n<\/a>\n[\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text css=&#8221;.vc_custom_1751278543884{margin-bottom: 48px !important;}&#8221; el_class=&#8221;hero-img&#8221;]<img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-1448 size-full\" src=\"https:\/\/www.esz-ag.de\/wp-content\/uploads\/Aufmacherbild_Eignungspruefung-DCNF.png\" alt=\"Eignungspr\u00fcfung\" width=\"1024\" height=\"469\" title=\"\">[\/vc_column_text][vc_single_image image=&#8221;43517&#8243; el_class=&#8221;bubble-header&#8221;][\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1680254578994{margin-bottom: 140px !important;}&#8221;][vc_column offset=&#8221;vc_col-lg-offset-2 vc_col-lg-8 vc_col-md-offset-1 vc_col-md-10 vc_col-xs-12&#8243; el_class=&#8221;card-white box-benefits&#8221;][vc_row_inner css=&#8221;.vc_custom_1752231778840{margin-bottom: 24px !important;background-color: #4a5e67 !important;}&#8221;][vc_column_inner css=&#8221;.vc_custom_1687864955833{padding-top: 16px !important;padding-right: 16px !important;padding-bottom: 16px !important;padding-left: 16px !important;}&#8221;][vc_column_text]<\/p>\n<h2 style=\"color: white;\">Our portfolio<\/h2>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner css=&#8221;.vc_custom_1687864964004{padding-right: 16px !important;padding-left: 16px !important;}&#8221;][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text]<\/p>\n<h4>1. Standard proficiency test<\/h4>\n<ul style=\"list-style-type: square;\">\n<li><span data-contrast=\"auto\">5-10 participants<\/span><\/li>\n<li><span data-contrast=\"auto\">Proficiency test subject and quantity parameter specified by esz<\/span><\/li>\n<\/ul>\n<h4><span data-contrast=\"auto\">2. Proficiency testing based on customer request<\/span><\/h4>\n<ul style=\"list-style-type: square;\">\n<li><span data-contrast=\"auto\">Number of participants flexible<\/span><\/li>\n<li><span data-contrast=\"auto\">Proficiency test subject and planning customized<\/span><\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text css=&#8221;.vc_custom_1754571340430{margin-bottom: 24px !important;}&#8221;]<\/p>\n<h4><span data-contrast=\"auto\" aria-setsize=\"-1\" data-leveltext=\"%1.\">3. Bilateral comparison <\/span><\/h4>\n<ul style=\"list-style-type: square;\">\n<li><span data-contrast=\"auto\" aria-setsize=\"-1\" data-leveltext=\"%1.\">1 participant<\/span><\/li>\n<li><span data-contrast=\"auto\" aria-setsize=\"-1\" data-leveltext=\"%1.\">Comparison with esz<\/span><\/li>\n<\/ul>\n<h4>4. Evaluation by esz<\/h4>\n<ul style=\"list-style-type: square;\">\n<li><span data-contrast=\"auto\">esz AG is responsible for the evaluation<\/span><\/li>\n<li><span data-contrast=\"auto\">No proficiency test object from esz<\/span><\/li>\n<li><span data-contrast=\"auto\">No measurement (e.g. reference data, stability measurements) by esz\u00a0<\/span><\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1771424003817{margin-top: 5px !important;}&#8221;][vc_column css=&#8221;.vc_custom_1752152098632{margin-bottom: 140px !important;}&#8221; offset=&#8221;vc_col-xs-12&#8243;][vc_row_inner content_placement=&#8221;middle&#8221;][vc_column_inner width=&#8221;2\/3&#8243;][vc_column_text css=&#8221;.vc_custom_1754486032398{margin-bottom: 24px !important;}&#8221;]<\/p>\n<h2>Evaluation methodology<\/h2>\n<p>Four different methods are available for determining reference data in the proficiency test organized by esz AG. Method A or Method D are used as standard.<\/p>\n<ul>\n<li><strong>Method A:<\/strong>\u202f\u202fMetrological determination of reference data using a reference laboratory<\/li>\n<li><strong>Method B:\u202f<\/strong>\u202fWeighted average according to Cox<\/li>\n<li><strong>Method C:<\/strong>\u202f\u202fRobust modification of the arithmetic mean according to DIN ISO 13528:2020, Annex C.3<\/li>\n<li><strong>Method D:<\/strong>\u202fPower-moderated mean according to Pomm\u00e9 and Keightley<\/li>\n<\/ul>\n<p>Methods B, C, and D are statistical methods that calculate the reference data taking into account participant data. A detailed analysis of these methods, as well as a comparison using sample data sets and further information on performance evaluation, can be found in the white paper (in German) \u201eEignungspr\u00fcfungen zwischen Kalibrierlaboratorien \u2013 Statistische Auswertung von Vergleichsmessungen\u201c.[\/vc_column_text]<a href=\"https:\/\/www.esz-ag.de\/wp-content\/uploads\/Statistische-Auswertung-Eignungspruefungen-White_Paper-esz_AG_Version_1.0-1.pdf\" title=\"White Paper\" target=\"_blank\" class=\"btn btn-solid btn-sm circle btn-bordered border-thin ld_button_69f2aef21f885\">\n\t<span>\n\t\t\n\t\t\t\t\t<span class=\"btn-txt\">White Paper<\/span>\n\t\t\t\n\t<span class=\"btn-icon\"><i class=\"far fa-arrow-alt-circle-down\"><\/i><\/span>\t\t\t<\/span>\n<\/a>\n<a href=\"https:\/\/www.esz-ag.de\/wp-content\/uploads\/Fact_Sheet_Methoden_Referenzdatenbestimmung.pdf\" title=\"Factsheet\" target=\"_blank\" class=\"btn btn-solid btn-sm circle btn-bordered border-thin ld_button_69f2aef21faa2\">\n\t<span>\n\t\t\n\t\t\t\t\t<span class=\"btn-txt\">Factsheet<\/span>\n\t\t\t\n\t<span class=\"btn-icon\"><i class=\"far fa-arrow-alt-circle-down\"><\/i><\/span>\t\t\t<\/span>\n<\/a>\n[\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row el_class=&#8221;ce-img-text&#8221;][vc_column css=&#8221;.vc_custom_1655063802147{margin-bottom: 140px !important;}&#8221;][vc_row_inner content_placement=&#8221;middle&#8221;][vc_column_inner el_class=&#8221;img-left&#8221;][vc_column_text css=&#8221;.vc_custom_1754568594253{margin-bottom: 24px !important;}&#8221;][vc_row css=\".vc_custom_1691753672475{margin-bottom: 128px !important;}\"][vc_column][vc_row_inner content_placement=\"middle\"][vc_column_inner width=\"1\/2\" el_class=\"service-img\" offset=\"vc_hidden-xs\"][vc_single_image image=\"51159\" img_size=\"full\" style=\"vc_box_rounded\" css=\".vc_custom_1699441614950{padding-right: 32px !important;}\" el_class=\"kalibrierangebot-img\"][\/vc_column_inner][vc_column_inner width=\"1\/2\" offset=\"vc_hidden-xs\"][vc_column_text el_class=\"kalibrierangebot-txt\" css=\".vc_custom_1754568486340{margin-bottom: 32px !important;}\"]<b><span data-contrast=\"auto\">Your proficiency test offer<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span>\r\n\r\n<span data-contrast=\"auto\">esz AG offers proficiency testing either as interlaboratory comparisons with several participating laboratories or as individual, bilateral comparison measurements. We design these flexibly-tailored to your task and the desired time of execution. Request your non-binding quote for participation in our proficiency tests now \u2014 our team is happy to help. Contact us!<\/span><span data-ccp-props=\"{}\">\u00a0<\/span>[\/vc_column_text][vc_raw_html]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[\/vc_raw_html][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row content_placement=&#8221;middle&#8221; disable_element=&#8221;yes&#8221; css=&#8221;.vc_custom_1752226788394{border-top-width: 10px !important;background-color: #edf1f4 !important;}&#8221;][vc_column css=&#8221;.vc_custom_1752158591348{margin-top: 20px !important;margin-bottom: 20px !important;}&#8221;][vc_row_inner content_placement=&#8221;middle&#8221;][vc_column_inner width=&#8221;1\/2&#8243; enable_column_shadowbox=&#8221;yes&#8221; offset=&#8221;vc_col-lg-offset-2 vc_col-lg-8 vc_col-md-offset-1 vc_col-md-10&#8243; column_box_shadow=&#8221;%5B%7B%22shadow_color%22%3A%22rgba(0%2C%200%2C%200%2C%200.31)%22%7D%5D&#8221;][vc_column_text css=&#8221;.vc_custom_1752152483874{margin-bottom: 10px !important;}&#8221;]<\/p>\n<h2>Eignungspr\u00fcfungen bei esz<\/h2>\n<p>Die esz AG bietet Eignungspr\u00fcfungen entweder als Ringvergleiche mit mehreren teilnehmenden Laboren an oder als individuelle, bilaterale Vergleichsmessungen. Diese gestalten wir nach flexibel, abgestimmt auf ihre Aufgabenstellung und den gew\u00fcnschten Durchf\u00fchrungszeitpunkt. F\u00fcr eine individuelle Beratung steht Ihnen unser Team gerne zur Verf\u00fcgung \u2013 kontaktieren Sie uns![\/vc_column_text][vc_raw_html]JTNDYSUyMGNsYXNzJTNEJTIyYnRuJTIwYnRuLXNvbGlkJTIwYnRuLWxnJTIwY2lyY2xlJTIwYnRuLWJvcmRlcmVkJTIwYm9yZGVyLXRoaW4lMjBidG4taWNvbi1sZWZ0JTIwYnRuLW9wZW4tZm9ybSUyMiUyMGlkJTNEJTIybW9kYWxvcGVuJTIyJTIwaHJlZiUzRCUyMmphdmFzY3JpcHQlM0F2b2lkJTI4MCUyOSUyMiUzRUpldHp0JTIwYW5mcmFnZW4lM0MlMkZhJTNF[\/vc_raw_html][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row content_placement=&#8221;middle&#8221; disable_element=&#8221;yes&#8221; css=&#8221;.vc_custom_1752227435054{border-top-width: 10px !important;background-color: #edf1f4 !important;}&#8221;][vc_column css=&#8221;.vc_custom_1752158591348{margin-top: 20px !important;margin-bottom: 20px !important;}&#8221;][vc_row_inner content_placement=&#8221;middle&#8221;][vc_column_inner width=&#8221;1\/2&#8243; enable_column_shadowbox=&#8221;yes&#8221; offset=&#8221;vc_col-lg-offset-2 vc_col-lg-8 vc_col-md-offset-1 vc_col-md-10&#8243; column_box_shadow=&#8221;%5B%7B%22shadow_color%22%3A%22rgba(0%2C%200%2C%200%2C%200.31)%22%7D%5D&#8221;][vc_column_text css=&#8221;.vc_custom_1752226862081{margin-bottom: 10px !important;}&#8221;]<\/p>\n<h2>Ringvergleich oder bilateraler Vergleich?<\/h2>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row disable_element=&#8221;yes&#8221; el_class=&#8221;ce-img-text&#8221; css=&#8221;.vc_custom_1752227612066{margin-top: 20px !important;}&#8221;][vc_column css=&#8221;.vc_custom_1655063802147{margin-bottom: 140px !important;}&#8221;][vc_row_inner content_placement=&#8221;middle&#8221;][vc_column_inner width=&#8221;1\/2&#8243; el_id=&#8221;kalibrierung-von-abgasuntersuchungsmessgeraeten&#8221;][vc_column_text css=&#8221;.vc_custom_1752152850390{margin-bottom: 24px !important;}&#8221;]<\/p>\n<h2>Ringvergleiche<\/h2>\n<p><span data-contrast=\"auto\">Bei Eignungspr\u00fcfungen in Form von Ringvergleichen bearbeiten mehrere Laboratorien eine festgelegte Mess- oder Pr\u00fcfaufgabe unabh\u00e4ngig und nacheinander voneinander.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Je nach Anforderungen k\u00f6nnen die Ringvergleiche in ringf\u00f6rmiger oder sternf\u00f6rmiger Struktur durchgef\u00fchrt werden, um eine optimale Durchf\u00fchrung und Vergleichbarkeit der Ergebnisse sicherzustellen.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243; el_class=&#8221;img-right&#8221;][vc_single_image image=&#8221;57968&#8243; img_size=&#8221;full&#8221; style=&#8221;vc_box_rounded&#8221;][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row disable_element=&#8221;yes&#8221; el_class=&#8221;ce-img-text&#8221;][vc_column css=&#8221;.vc_custom_1655063802147{margin-bottom: 140px !important;}&#8221;][vc_row_inner content_placement=&#8221;middle&#8221;][vc_column_inner width=&#8221;1\/2&#8243; el_class=&#8221;img-left&#8221;][vc_single_image image=&#8221;57972&#8243; img_size=&#8221;full&#8221; style=&#8221;vc_box_rounded&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243; el_id=&#8221;kalibrierung-von-abgaspartikelanzahlgeraeten&#8221;][vc_column_text css=&#8221;.vc_custom_1752156093321{margin-bottom: 24px !important;}&#8221;]<\/p>\n<h2><span class=\"NormalTextRun SCXW242365144 BCX8\">B<\/span><span class=\"NormalTextRun SCXW242365144 BCX8\">ilaterale Vergleichsmessungen<\/span><\/h2>\n<p><span data-contrast=\"auto\">Die esz AG bietet interessierten Unternehmen bilaterale Vergleichsmessungen, basierend auf dem aktuellen Leistungsumfangs unseres Kalibrierlabors, an.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Ein bilateraler Vergleich findet zwischen dem Pilotlabor und dem anfragenden Laboratorium statt. Der gro\u00dfe Vorteil liegt darin, dass die esz AG individuell auf die spezifischen Anforderungen des teilnehmenden Labors eingehen kann. Dar\u00fcber hinaus ist der Zeitraum zur Durchf\u00fchrung eines bilateralen Vergleichs meist k\u00fcrzer als bei einem Ringvergleich.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row][vc_column css=&#8221;.vc_custom_1752404736205{margin-bottom: 140px !important;}&#8221; offset=&#8221;vc_col-xs-12&#8243;][vc_row_inner content_placement=&#8221;middle&#8221;][vc_column_inner width=&#8221;2\/3&#8243; offset=&#8221;vc_col-lg-offset-0 vc_col-lg-9 vc_col-md-offset-0 vc_col-md-9 vc_col-xs-9&#8243;][vc_column_text css=&#8221;.vc_custom_1770906893277{margin-bottom: 24px !important;}&#8221;]<\/p>\n<h2>Planned Suitability Tests<\/h2>\n<h4><strong>Annual Plan 2026<\/strong><\/h4>\n<div class=\"_tableContainer_16hzy_1\">\n<div class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" style=\"width: 141.819%; height: 140px;\">\n<thead>\n<tr>\n<th style=\"width: 25.1936%; text-align: left;\">Area<\/th>\n<th style=\"width: 24.2445%; text-align: left;\"><strong>Subject<\/strong><\/th>\n<th style=\"width: 25.5534%; text-align: left;\"><strong>Measurement object<\/strong><\/th>\n<th style=\"width: 4.31715%; text-align: left;\"><strong>Participants<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Electrical quantities<\/td>\n<td>Voltage \/ Current \/ Resistance<\/td>\n<td>Digital multimeter<\/td>\n<td>7 &#8211; 10<\/td>\n<\/tr>\n<tr>\n<td>High-frequency quantities<\/td>\n<td>Oscilloscope quantities<\/td>\n<td>Oscilloscope<\/td>\n<td>5 &#8211; 10<\/td>\n<\/tr>\n<tr>\n<td>Mechanical quantities<\/td>\n<td>Pressure<\/td>\n<td>Digital pressure gauge (air, 0 bar to 70bar)<\/td>\n<td>7 &#8211; 10<\/td>\n<\/tr>\n<tr>\n<td>Mechanical quantities<\/td>\n<td>Pressure<\/td>\n<td>Digital pressure gauge (air, 0 bar to 35bar)<\/td>\n<td>7 &#8211; 10<\/td>\n<\/tr>\n<tr>\n<td>Dimensional measurements<\/td>\n<td>Length measuring devices<\/td>\n<td>Caliper (150 mm)<\/td>\n<td>7 &#8211; 10<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: left;\">Scheduling will begin once the minimum number of participants has been reached.<br data-start=\"129\" data-end=\"132\" \/>Register now to secure your spot.<\/p>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1680254578994{margin-bottom: 140px !important;}&#8221;][vc_column offset=&#8221;vc_col-lg-offset-2 vc_col-lg-8 vc_col-md-offset-1 vc_col-md-10 vc_col-xs-12&#8243; el_class=&#8221;card-white box-benefits&#8221;][vc_row_inner css=&#8221;.vc_custom_1687864985812{margin-bottom: 24px !important;background-color: #fec804 !important;}&#8221;][vc_column_inner css=&#8221;.vc_custom_1687864955833{padding-top: 16px !important;padding-right: 16px !important;padding-bottom: 16px !important;padding-left: 16px !important;}&#8221;][vc_column_text]<\/p>\n<h2>Your benefits<\/h2>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner css=&#8221;.vc_custom_1687864964004{padding-right: 16px !important;padding-left: 16px !important;}&#8221;][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text]<\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"7\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span class=\"TextRun SCXW179403078 BCX8\" lang=\"DE-DE\" xml:lang=\"DE-DE\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW179403078 BCX8\">In-depth metrological expertise<\/span><\/span><span class=\"EOP SCXW179403078 BCX8\" data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"7\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span class=\"TextRun SCXW74595354 BCX8\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW74595354 BCX8\">Long-standing partnerships with leading national metrology institutes<\/span><\/span><span class=\"EOP SCXW74595354 BCX8\" data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"7\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span class=\"TextRun SCXW168157605 BCX8\" lang=\"DE-DE\" xml:lang=\"DE-DE\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW168157605 BCX8\">53 accredited <\/span><span class=\"NormalTextRun SCXW168157605 BCX8\">quantities<\/span><\/span><span class=\"EOP SCXW168157605 BCX8\" data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text css=&#8221;.vc_custom_1754567989339{margin-bottom: 24px !important;}&#8221;]<\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"7\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"1\"><span class=\"TextRun SCXW159026612 BCX8\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW159026612 BCX8\">Safe and fast transport thanks to Logistik Expert, the esz pickup and delivery service<\/span><\/span><span class=\"EOP SCXW159026612 BCX8\" data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"7\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"5\" data-aria-level=\"1\"><span class=\"TextRun SCXW199530681 BCX8\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW199530681 BCX8\">Cooperation with the extensively accredited calibration laboratory of esz AG<\/span><\/span><span class=\"EOP SCXW199530681 BCX8\" data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1657726315500{margin-bottom: 160px !important;padding-right: 24px !important;padding-left: 24px !important;}&#8221; el_class=&#8221;row-accordion&#8221;][vc_column offset=&#8221;vc_col-lg-offset-2 vc_col-lg-8 vc_col-md-offset-1 vc_col-md-10&#8243; el_class=&#8221;card-white card-accordion&#8221; responsive_css=&#8221;padding_top_medium:24px|padding_right_medium:66px|padding_bottom_medium:48px|padding_left_medium:66px&#8221; css=&#8221;.vc_custom_1657727642707{margin-right: 8px !important;margin-left: 8px !important;}&#8221;][vc_column_text el_class=&#8221;hero-section-text&#8221; css=&#8221;.vc_custom_1754568666827{margin-bottom: 16px !important;}&#8221;]<\/p>\n<h2 style=\"text-align: center;\">More information<\/h2>\n<p>[\/vc_column_text]<div class=\"accordion accordion-md vc_accordion_69f2aef220dcc\" id=\"vc_accordion_69f2aef220dcc\" role=\"tablist\" aria-multiselectable=\"true\">\n\n\t<div class=\"accordion-item panel  active \">\n\n\t\t<div class=\"accordion-heading\" role=\"tab\" id=\"heading_eignungspruefung-esz\">\n\t\t\t<h3 class=\"accordion-title\">\n\t\t\t\t<a class=\"\" data-toggle=\"collapse\" data-parent=\"#vc_accordion_69f2aef220dcc\" href=\"#eignungspruefung-esz\" aria-expanded=\"true\" aria-controls=\"eignungspruefung-esz\">\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\tWhat proficiency tests does esz AG calibration &amp; metrology offer?\n\t\t\t\t\t\t\t\t\t\t<span class=\"accordion-expander\">\n\t\t\t\t\t\t<i class=\"fa fa-plus\"><\/i>\n\t\t\t\t\t\t<i class=\"fa fa-minus\"><\/i>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t<\/h3>\n\t\t<\/div>\n\n\t\t<div id=\"eignungspruefung-esz\" class=\"accordion-collapse collapse in\" role=\"tabpanel\" aria-labelledby=\"heading_eignungspruefung-esz\">\n\t\t\t<div class=\"accordion-content\">\n\t\t\t<p>[vc_column_text]<span class=\"TextRun SCXW133005054 BCX8\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW133005054 BCX8\">esz AG calibration &amp; metrology offers a wide range of proficiency tests and comparative measurements that can be flexibly tailored to your requirements:<\/span><\/span><span class=\"EOP SCXW133005054 BCX8\" data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"19\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:&#091;8226&#093;,&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\"><span class=\"TextRun SCXW117654807 BCX8\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW117654807 BCX8\">Ring comparison<\/span><\/span>:<\/span><\/b><span data-contrast=\"auto\"> <span class=\"TextRun SCXW104487970 BCX8\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW104487970 BCX8\">Regularly organized proficiency tests in which several laboratories perform the same measurement task one after the other.<\/span><\/span><span class=\"EOP SCXW104487970 BCX8\" data-ccp-props=\"{}\">\u00a0<\/span><\/span><span data-ccp-props=\"{}\"><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-58005 \" src=\"https:\/\/www.esz-ag.de\/wp-content\/uploads\/Ringvergleich-300x290.png\" alt=\"\" width=\"192\" height=\"186\" title=\"\" srcset=\"https:\/\/www.esz-ag.de\/wp-content\/uploads\/Ringvergleich-300x290.png 300w, https:\/\/www.esz-ag.de\/wp-content\/uploads\/Ringvergleich.png 500w\" sizes=\"auto, (max-width: 192px) 100vw, 192px\" \/><br \/>\n<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"19\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:&#091;8226&#093;,&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><b><span data-contrast=\"auto\"><span class=\"TextRun SCXW79514124 BCX8\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW79514124 BCX8\">Individual bilateral comparisons<\/span><\/span>:<\/span><\/b><span data-contrast=\"auto\"> <span class=\"TextRun SCXW79514124 BCX8\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW79514124 BCX8\">Tailor-made tests in which direct laboratory-to-laboratory benchmarking is carried out.<\/span><\/span><\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-58007 size-medium\" src=\"https:\/\/www.esz-ag.de\/wp-content\/uploads\/Bilateraler-Vergleich-300x103.png\" alt=\"\" width=\"300\" height=\"103\" title=\"\" srcset=\"https:\/\/www.esz-ag.de\/wp-content\/uploads\/Bilateraler-Vergleich-300x103.png 300w, https:\/\/www.esz-ag.de\/wp-content\/uploads\/Bilateraler-Vergleich-1024x352.png 1024w, https:\/\/www.esz-ag.de\/wp-content\/uploads\/Bilateraler-Vergleich.png 1745w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>[\/vc_column_text]<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t<div class=\"accordion-item panel  \">\n\n\t\t<div class=\"accordion-heading\" role=\"tab\" id=\"heading_akkreditiert-oder-nicht-akkreditiert\">\n\t\t\t<h3 class=\"accordion-title\">\n\t\t\t\t<a class=\"collapsed\" data-toggle=\"collapse\" data-parent=\"#vc_accordion_69f2aef220dcc\" href=\"#akkreditiert-oder-nicht-akkreditiert\" aria-expanded=\"false\" aria-controls=\"akkreditiert-oder-nicht-akkreditiert\">\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\tAre proficiency tests carried out at esz AG within an accredited or non-accredited framework?\n\t\t\t\t\t\t\t\t\t\t<span class=\"accordion-expander\">\n\t\t\t\t\t\t<i class=\"fa fa-plus\"><\/i>\n\t\t\t\t\t\t<i class=\"fa fa-minus\"><\/i>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t<\/h3>\n\t\t<\/div>\n\n\t\t<div id=\"akkreditiert-oder-nicht-akkreditiert\" class=\"accordion-collapse collapse\" role=\"tabpanel\" aria-labelledby=\"heading_akkreditiert-oder-nicht-akkreditiert\">\n\t\t\t<div class=\"accordion-content\">\n\t\t\t<p>[vc_column_text]<span data-contrast=\"auto\">esz AG calibration &amp; metrology is a provider of proficiency tests accredited in accordance with DIN EN ISO\/IEC 17043:2023. Details of our current scope of accreditation can be found in our <\/span><a href=\"https:\/\/www.esz-ag.de\/wp-content\/uploads\/Anlage-zur-Akkreditierung-Eignungspruefungen-ocr-1.pdf\"><span data-contrast=\"none\">annex to the accreditation certificate<\/span><\/a><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">We also offer proficiency testing in a non-accredited framework based on the current service portfolio of our calibration laboratory. There is no difference in methodology: we always work in accordance with the requirements of DIN EN ISO\/IEC 17043:2023, both in the accredited and non-accredited areas.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span>[\/vc_column_text]<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t<div class=\"accordion-item panel  \">\n\n\t\t<div class=\"accordion-heading\" role=\"tab\" id=\"heading_arten-eignungspruefungen\">\n\t\t\t<h3 class=\"accordion-title\">\n\t\t\t\t<a class=\"collapsed\" data-toggle=\"collapse\" data-parent=\"#vc_accordion_69f2aef220dcc\" href=\"#arten-eignungspruefungen\" aria-expanded=\"false\" aria-controls=\"arten-eignungspruefungen\">\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\tDefinition\n\t\t\t\t\t\t\t\t\t\t<span class=\"accordion-expander\">\n\t\t\t\t\t\t<i class=\"fa fa-plus\"><\/i>\n\t\t\t\t\t\t<i class=\"fa fa-minus\"><\/i>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t<\/h3>\n\t\t<\/div>\n\n\t\t<div id=\"arten-eignungspruefungen\" class=\"accordion-collapse collapse\" role=\"tabpanel\" aria-labelledby=\"heading_arten-eignungspruefungen\">\n\t\t\t<div class=\"accordion-content\">\n\t\t\t<p>[vc_column_text]<b><span data-contrast=\"auto\">Definition of suitability test:<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">According to DIN EN ISO\/IEC 17043:2023: Evaluation of a participant&#8217;s performance according to previously established criteria by means of comparisons between laboratories.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Official term for comparative measurements organized in accordance with ISO 17043.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">Interlaboratory Comparison (ILC)<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">General term used to describe the comparison of a measurement\/calibration\/test by different participants. Almost always includes an evaluation of the performance of the participants and is therefore almost synonymous with \u201cproficiency test\u201d.<\/span><\/p>\n<p><b><span data-contrast=\"auto\">Ring comparison\/star comparison\/flower comparison<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"13\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:&#091;8226&#093;,&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Ring comparison: The proficiency test object is sent by the organizer and passes through the participants in a ring. At the end of the proficiency test, the object returns to the organizer.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"14\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:&#091;8226&#093;,&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Star comparison: Between each participant, the object is returned to the organizer, who sends it to the next participant.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"15\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:&#091;8226&#093;,&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Flower comparison: Similar to a ring\/star comparison, with an additional shipment to an external reference laboratory for the extraction of reference values according to type A (stem of the \u201cflower\u201d).<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"auto\"><strong>Bilateral comparison:<\/strong> Special form of comparative measurement with only two participants, or one participant and one reference laboratory\/reference value.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span>[\/vc_column_text]<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t<div class=\"accordion-item panel  \">\n\n\t\t<div class=\"accordion-heading\" role=\"tab\" id=\"heading_aufgaben-von-anbieter\">\n\t\t\t<h3 class=\"accordion-title\">\n\t\t\t\t<a class=\"collapsed\" data-toggle=\"collapse\" data-parent=\"#vc_accordion_69f2aef220dcc\" href=\"#aufgaben-von-anbieter\" aria-expanded=\"false\" aria-controls=\"aufgaben-von-anbieter\">\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\tWhat are the tasks of a provider of proficiency testing?\n\t\t\t\t\t\t\t\t\t\t<span class=\"accordion-expander\">\n\t\t\t\t\t\t<i class=\"fa fa-plus\"><\/i>\n\t\t\t\t\t\t<i class=\"fa fa-minus\"><\/i>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t<\/h3>\n\t\t<\/div>\n\n\t\t<div id=\"aufgaben-von-anbieter\" class=\"accordion-collapse collapse\" role=\"tabpanel\" aria-labelledby=\"heading_aufgaben-von-anbieter\">\n\t\t\t<div class=\"accordion-content\">\n\t\t\t<p>[vc_column_text]<span data-contrast=\"auto\">As an accredited provider, esz AG calibration &amp; metrology plays a central role in conducting proficiency testing and comparative measurements. <\/span><span data-contrast=\"auto\">Our tasks include:<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"16\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:&#091;8226&#093;,&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Planning and organization: We coordinate all aspects of proficiency testing, including scheduling, content, and technical coordination with the participating laboratories.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"17\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:&#091;8226&#093;,&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Evaluation of results:<\/span><\/b><span data-contrast=\"auto\"> We use proven statistical methods to analyze the measurement data in order to deliver meaningful and traceable results.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"18\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:&#091;8226&#093;,&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Preparation of detailed reports:<\/span><\/b><span data-contrast=\"auto\"> We prepare the results professionally so that you gain clear insights into performance and potential for optimization.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"auto\">Our comprehensive expertise ensures that the proficiency tests and comparative measurements are carried out efficiently, reliably, and in accordance with the highest quality standards.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span>[\/vc_column_text]<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t<div class=\"accordion-item panel  \">\n\n\t\t<div class=\"accordion-heading\" role=\"tab\" id=\"heading_teilnahme-eignungspruefung\">\n\t\t\t<h3 class=\"accordion-title\">\n\t\t\t\t<a class=\"collapsed\" data-toggle=\"collapse\" data-parent=\"#vc_accordion_69f2aef220dcc\" href=\"#teilnahme-eignungspruefung\" aria-expanded=\"false\" aria-controls=\"teilnahme-eignungspruefung\">\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\tWho can participate in a proficiency test?\n\t\t\t\t\t\t\t\t\t\t<span class=\"accordion-expander\">\n\t\t\t\t\t\t<i class=\"fa fa-plus\"><\/i>\n\t\t\t\t\t\t<i class=\"fa fa-minus\"><\/i>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t<\/h3>\n\t\t<\/div>\n\n\t\t<div id=\"teilnahme-eignungspruefung\" class=\"accordion-collapse collapse\" role=\"tabpanel\" aria-labelledby=\"heading_teilnahme-eignungspruefung\">\n\t\t\t<div class=\"accordion-content\">\n\t\t\t<p>[vc_column_text]<span data-contrast=\"auto\">The following can participate:<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"19\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:&#091;8226&#093;,&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Accredited calibration laboratories that perform calibrations<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"20\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:&#091;8226&#093;,&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Calibration laboratories seeking accreditation<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"auto\">The prerequisite is that participants are able to perform the calibration according to the required procedures and can submit the results in a calibration certificate in accordance with ISO 17025. Only then is an evaluation in accordance with the requirements of ISO 17043 and the accreditation body possible.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span>[\/vc_column_text]<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t<div class=\"accordion-item panel  \">\n\n\t\t<div class=\"accordion-heading\" role=\"tab\" id=\"heading_warum-notwendig-und-inhalte\">\n\t\t\t<h3 class=\"accordion-title\">\n\t\t\t\t<a class=\"collapsed\" data-toggle=\"collapse\" data-parent=\"#vc_accordion_69f2aef220dcc\" href=\"#warum-notwendig-und-inhalte\" aria-expanded=\"false\" aria-controls=\"warum-notwendig-und-inhalte\">\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\tWhy are proficiency tests necessary, an what do they cover?\n\t\t\t\t\t\t\t\t\t\t<span class=\"accordion-expander\">\n\t\t\t\t\t\t<i class=\"fa fa-plus\"><\/i>\n\t\t\t\t\t\t<i class=\"fa fa-minus\"><\/i>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t<\/h3>\n\t\t<\/div>\n\n\t\t<div id=\"warum-notwendig-und-inhalte\" class=\"accordion-collapse collapse\" role=\"tabpanel\" aria-labelledby=\"heading_warum-notwendig-und-inhalte\">\n\t\t\t<div class=\"accordion-content\">\n\t\t\t<p>[vc_column_text]<span data-contrast=\"auto\">Participation in proficiency tests and comparative measurements is mandatory for accredited laboratories in accordance with DIN EN ISO\/IEC 17025. These tests are a central element in the validation of calibration procedures and results within the framework of a laboratory&#8217;s quality management system.\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">They also provide an independent method for quality assurance of the measurement procedures used.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Proficiency tests and comparative measurements enable laboratories to demonstrate their performance and identify potential for optimization. They thus contribute significantly to continuous improvement and compliance with the highest quality standards.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span>[\/vc_column_text]<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t<div class=\"accordion-item panel  \">\n\n\t\t<div class=\"accordion-heading\" role=\"tab\" id=\"heading_vorteile-eignungspruefungen\">\n\t\t\t<h3 class=\"accordion-title\">\n\t\t\t\t<a class=\"collapsed\" data-toggle=\"collapse\" data-parent=\"#vc_accordion_69f2aef220dcc\" href=\"#vorteile-eignungspruefungen\" aria-expanded=\"false\" aria-controls=\"vorteile-eignungspruefungen\">\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\tWhat are the benefits of proficiency tests?\n\t\t\t\t\t\t\t\t\t\t<span class=\"accordion-expander\">\n\t\t\t\t\t\t<i class=\"fa fa-plus\"><\/i>\n\t\t\t\t\t\t<i class=\"fa fa-minus\"><\/i>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t<\/h3>\n\t\t<\/div>\n\n\t\t<div id=\"vorteile-eignungspruefungen\" class=\"accordion-collapse collapse\" role=\"tabpanel\" aria-labelledby=\"heading_vorteile-eignungspruefungen\">\n\t\t\t<div class=\"accordion-content\">\n\t\t\t<p>[vc_column_text]<span data-contrast=\"auto\">Proficiency tests are essential tools for ensuring and optimizing laboratory quality. <\/span><span data-contrast=\"auto\">They offer numerous benefits, including:<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"21\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:&#091;8226&#093;,&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Quality assurance: Verification and assurance of the accuracy of laboratory tests and measurements.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"22\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:&#091;8226&#093;,&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Validating measurement uncertainty: Analyzing and validating the measurement uncertainty of a measurement procedure.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"23\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:&#091;8226&#093;,&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Comparison with other laboratories:<\/span><\/b><span data-contrast=\"auto\"> Benchmarking calibration processes to identify strengths and potential for improvement.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"24\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:&#091;8226&#093;,&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Compliance with standards:<\/span><\/b><span data-contrast=\"auto\"> Meeting the requirements of DIN EN ISO\/IEC 17025:2018 for accredited laboratories.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"25\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:&#091;8226&#093;,&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Proof of competence:<\/span><\/b><span data-contrast=\"auto\"> Demonstration of performance and reliability to customers, superiors, and authorities.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"auto\">These advantages mean that proficiency tests and comparative measurements make a decisive contribution to the continuous improvement of laboratory work and to strengthening confidence in the results.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span>[\/vc_column_text]<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div>[\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row bg_position=&#8221;right center&#8221; css=&#8221;.vc_custom_1662113468621{margin-bottom: 160px !important;background-position: center !important;background-repeat: no-repeat !important;background-size: contain !important;}&#8221; el_class=&#8221;hero-section-subpage&#8221; responsive_css=&#8221;margin_top_medium:64px&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_column_text&#8230;<\/p>\n","protected":false},"author":22,"featured_media":0,"parent":54122,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-57821","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/pages\/57821","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/users\/22"}],"replies":[{"embeddable":true,"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/comments?post=57821"}],"version-history":[{"count":14,"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/pages\/57821\/revisions"}],"predecessor-version":[{"id":59593,"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/pages\/57821\/revisions\/59593"}],"up":[{"embeddable":true,"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/pages\/54122"}],"wp:attachment":[{"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/media?parent=57821"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}