<?xml version="1.0" encoding="utf-8"?><rdf:RDF  xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"  xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"  xmlns:skos="http://www.w3.org/2004/02/skos/core#"  xmlns:map="http://www.w3c.rl.ac.uk/2003/11/21-skos-mapping#"  xmlns:dct="http://purl.org/dc/terms/"  xmlns:dc="http://purl.org/dc/elements/1.1/"><skos:ConceptScheme rdf:about="https://digilab.ptb.de/dkd/refType/vocab/">  <dc:title>Metrology Database</dc:title>  <dc:creator>German Calibration Service (DKD)</dc:creator>  <dc:contributor>Thomas Krah, Daniel Hutzschenreuter, Benjamin Gloger, Muhammed-Ali Demir, Moritz Jordan</dc:contributor>  <dc:publisher>Deutscher Kalibrierdienst (German Calibration Service)</dc:publisher>  <dc:rights></dc:rights>  <dc:subject>metrology, reference types, digital calibration certificate, certificate of conformity</dc:subject>  <dc:description><![CDATA[  ]]></dc:description>  <dc:date>2023-06-19</dc:date>  <dct:modified>2026-04-10 06:58:36</dct:modified>  <dc:language>en-US</dc:language>  </skos:ConceptScheme>  <skos:Concept rdf:about="https://digilab.ptb.de/dkd/refType/vocab/skos/98"><skos:prefLabel xml:lang="en-US">nominalValue</skos:prefLabel> <skos:definition xml:lang="en-EN">rounded or approximate value of a characterizing quantity of a measuring instrument or measuring system that provides guidance for its appropriate use </skos:definition> <skos:definition xml:lang="de-DE">Gerundeter angenäherter Wert einer charakteristischen Größe eines Messgeräts oder Messsystems, der auf dessen sachgemäßen Gebrauch hinweist. </skos:definition> <skos:scopeNote xml:lang="de-DE">Nominalwert kann ein Mittel zur Identifikation als auch ein Teil des Ergebnisses sein. </skos:scopeNote> <skos:historyNote xml:lang="en-EN">

2023-11-08
Created

 </skos:historyNote> <skos:historyNote xml:lang="en-EN">



2024-02-12
Edited example (replaced &lt; and &gt; for machine readability)



 </skos:historyNote> <skos:historyNote xml:lang="en">2025-02-05: Adapted example to schema version 3.3.0 (replaced si:expandedUnc with si:measurementUncertaintyUnivariate) </skos:historyNote> <skos:note xml:lang="en-EN">JCGM 200:2012 (VIM) 4.6 </skos:note> <skos:note xml:lang="de-DE">Deutsch-Englische Fassung des ISO/IEC-Leitfaden 99:2007 (3. Auflage) 4.6 “Nennwert” </skos:note> <skos:example xml:lang="ab">&lt;dcc:result refType="mass_conventionalMass"&gt;
   &lt;dcc:name&gt;
      &lt;dcc:content lang="de"&gt;Konventioneller Wägewert&lt;/dcc:content&gt;
      &lt;dcc:content lang="en"&gt;Conventional mass&lt;/dcc:content&gt;
   &lt;/dcc:name&gt;
   &lt;dcc:data&gt;
      &lt;dcc:quantity refType="basic_nominalValue"&gt;
         &lt;dcc:name&gt;
            &lt;dcc:content lang="de"&gt;Nennwert&lt;/dcc:content&gt;
            &lt;dcc:content lang="en"&gt;Nominal value&lt;/dcc:content&gt;
         &lt;/dcc:name&gt;
         &lt;si:real&gt;
            &lt;si:value&gt;2&lt;/si:value&gt;
            &lt;si:unit&gt;\kilogram&lt;/si:unit&gt;
         &lt;/si:real&gt;
      &lt;/dcc:quantity&gt;
      &lt;dcc:quantity refType="basic_measuredValue"&gt;
         &lt;si:real&gt;
            &lt;si:value&gt;2.00000020&lt;/si:value&gt;
            &lt;si:unit&gt;\kilogram&lt;/si:unit&gt;
            &lt;si:dateTime&gt;2021-06-01T12:01:02&lt;/si:dateTime&gt;
            &lt;si:measurementUncertaintyUnivariate&gt;
                 &lt;si:expandedMU&gt;                                     
               &lt;si:valueExpandedMU&gt;0.00000053&lt;/si:valueExpandedMU &gt;
               &lt;si:coverageFactor&gt;2&lt;/si:coverageFactor&gt;
               &lt;si:coverageProbability&gt;0.95&lt;/si:coverageProbability&gt;
            &lt;/si:expandedMU&gt;
            &lt;/si:measurementUncertaintyUnivariate&gt;
         &lt;/si:real&gt;
      &lt;/dcc:quantity&gt;
      &lt;dcc:quantity refType="basic_measurementError"&gt;
         &lt;si:real&gt;
        &lt;si:value&gt;0.0000002&lt;/si:value&gt;
            &lt;si:unit&gt;\kilogram&lt;/si:unit&gt;
            &lt;si:dateTime&gt;2021-06-01T12:01:02&lt;/si:dateTime&gt;
            &lt;si:measurementUncertaintyUnivariate&gt;
                 &lt;si:expandedMU&gt;                                     
               &lt;si:valueExpandedMU&gt;0.00000053&lt;/si:valueExpandedMU &gt;
               &lt;si:coverageFactor&gt;2&lt;/si:coverageFactor&gt;
               &lt;si:coverageProbability&gt;0.95&lt;/si:coverageProbability&gt;
            &lt;/si:expandedMU&gt;
            &lt;/si:measurementUncertaintyUnivariate&gt;

    &lt;/si:real&gt;
      &lt;/dcc:quantity&gt;
   &lt;/dcc:data&gt;
&lt;/dcc:result&gt; </skos:example><skos:inScheme rdf:resource="https://digilab.ptb.de/dkd/refType/vocab/"/><skos:related rdf:resource="https://digilab.ptb.de/dkd/refType/vocab/skos/18"/><skos:related rdf:resource="https://digilab.ptb.de/dkd/refType/vocab/skos/99"/><skos:related rdf:resource="https://digilab.ptb.de/dkd/refType/vocab/skos/5"/><skos:broader rdf:resource="https://digilab.ptb.de/dkd/refType/vocab/skos/2"/>  <dct:created>2023-11-08 10:42:49</dct:created>  </skos:Concept></rdf:RDF>