<?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/309"><skos:prefLabel xml:lang="en-US">measurementStandard</skos:prefLabel> <skos:definition xml:lang="en-US">Realization of the definition of a given quantity, with stated quantity value and associated measurement uncertainty, used as a reference </skos:definition> <skos:definition xml:lang="de">Realisierung der Definition einer Größe, mit angegebenem Größenwert und beigeordneter Messunsicherheit, benutzt als Referenz </skos:definition> <skos:scopeNote xml:lang="en-US">In case of measuring chains used as measurement standard, each component is equiped with this refType. </skos:scopeNote> <skos:scopeNote xml:lang="de">Bei der Beschreibung von Messketten als Normal trägt jede Komponente der Messkette diesen refType. </skos:scopeNote> <skos:historyNote xml:lang="ab">2025-04-02: Created </skos:historyNote> <skos:note xml:lang="en-US">VIM (5.1) </skos:note> <skos:note xml:lang="de">VIM (5.1) </skos:note> <skos:example xml:lang="en-US">
   &lt;dcc:measuringEquipment refType="basic_measurementStandard"&gt;
      &lt;dcc:name&gt;
         &lt;dcc:content lang="de"&gt;Referenzfühler&lt;/dcc:content&gt;
         &lt;dcc:content lang="en"&gt;Temperature reference probe&lt;/dcc:content&gt;
      &lt;/dcc:name&gt;
      &lt;dcc:manufacturer&gt;
         &lt;dcc:name&gt;
            &lt;dcc:content&gt;SensorY AG&lt;/dcc:content&gt;
         &lt;/dcc:name&gt;
      &lt;/dcc:manufacturer&gt;
      &lt;dcc:model&gt;RefSens2000&lt;/dcc:model&gt;
      &lt;dcc:identifications&gt;
         &lt;dcc:identification refType="basic_serialNo"&gt;
            &lt;dcc:issuer&gt;manufacturer&lt;/dcc:issuer&gt;
            &lt;dcc:value&gt;98765/9&lt;/dcc:value&gt;
            &lt;dcc:name&gt;
               &lt;dcc:content lang="de"&gt;Serien Nr.&lt;/dcc:content&gt;
               &lt;dcc:content lang="en"&gt;Serial no.&lt;/dcc:content&gt;
            &lt;/dcc:name&gt;
         &lt;/dcc:identification&gt;
      &lt;/dcc:identifications&gt;
   &lt;/dcc:measuringEquipment&gt;
   &lt;dcc:measuringEquipment refType="basic_measurementStandard"&gt;
      &lt;dcc:name&gt;
         &lt;dcc:content lang="de"&gt;DAQ für Referenzfühler&lt;/dcc:content&gt;
         &lt;dcc:content lang="en"&gt;reference probe DAQ&lt;/dcc:content&gt;
      &lt;/dcc:name&gt;
      &lt;dcc:manufacturer&gt;
         &lt;dcc:name&gt;
            &lt;dcc:content&gt;SensorY AG&lt;/dcc:content&gt;
         &lt;/dcc:name&gt;
      &lt;/dcc:manufacturer&gt;
      &lt;dcc:model&gt;98765A&lt;/dcc:model&gt;
      &lt;dcc:identifications&gt;
         &lt;dcc:identification refType="basic_serialNo"&gt;
            &lt;dcc:issuer&gt;manufacturer&lt;/dcc:issuer&gt;
            &lt;dcc:value&gt;2823A11406&lt;/dcc:value&gt;
            &lt;dcc:name&gt;
               &lt;dcc:content lang="de"&gt;Serien Nr.&lt;/dcc:content&gt;
               &lt;dcc:content lang="en"&gt;Serial no.&lt;/dcc:content&gt;
            &lt;/dcc:name&gt;
         &lt;/dcc:identification&gt;
      &lt;/dcc:identifications&gt;
   &lt;/dcc:measuringEquipment&gt;
&lt;!--...--&gt;
&lt;/dcc:measuringEquipments&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/90"/><skos:broader rdf:resource="https://digilab.ptb.de/dkd/refType/vocab/skos/2"/>  <dct:created>2025-04-02 09:03:17</dct:created>  </skos:Concept></rdf:RDF>