<?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/291"><skos:prefLabel xml:lang="en-US">insulationResistance</skos:prefLabel> <skos:definition xml:lang="de">Isolationswiderstand der während der Kalibrierung bestimmt wurde </skos:definition> <skos:definition xml:lang="en">The insulation resistance that was determined during the calibration </skos:definition> <skos:scopeNote xml:lang="de">Der Isolationswiderstand wird üblicherweise bei Raumtemperatur mit einer Spannung von mindestens 100 V und bei der höchsten Kalibriertemperatur mit mindestens 10 V bestimmt. </skos:scopeNote> <skos:scopeNote xml:lang="en">Typically, the insulation resistance is determined at room temperature with a voltage of &gt;100 V and at the hingest calibration temperature with &gt;10 V. </skos:scopeNote> <skos:scopeNote xml:lang="de">Der Isolationswiderstand wird zwischen jedem Messkreis und der Armatur gemessen, angegeben wird typischerweise kleinste der gemessenen Werte. </skos:scopeNote> <skos:scopeNote xml:lang="en">The insulation resistance is measured between each measuring circuit and the fitting, typically only the smallest of these values is stated. </skos:scopeNote> <skos:historyNote xml:lang="en">Created </skos:historyNote> <skos:note xml:lang="en">EN IEC 60751 </skos:note> <skos:example xml:lang="en">
   
      Ergebnisse der Voruntersuchungen
      Results of the initial inspections
   
   
      
         
            Minimaler Isolationswiderstand bei Raumtemperatur und höchster Kalibriertemperatur
            Minimum insulation resistance at room temperature and at the hingest calibration temperature
         
         
            355 56
            \mega\ohm
         
      
   
 </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/290"/><skos:broader rdf:resource="https://digilab.ptb.de/dkd/refType/vocab/skos/117"/>  <dct:created>2025-01-13 13:44:05</dct:created>  </skos:Concept></rdf:RDF>