{"metadata":{"queryDate":"26 July 2026","version":"2.0 Beta"},"data":{"kcdbCode":"SIM-L-MX-00000AW5-11","status":"Published","publicationDate":"2025-06-11","approvalDate":"2020-08-04","kcdbServiceCategory":"L/DimMet-5.1.4","internationalStandard":"ISO5436-1","branchValue":"Dimensional metrology","serviceValue":"Complex geometry","subServiceValue":"Surface texture standards","individualServiceValue":"Roughness standard","instrument":"Roughness standards: ISO roughness parameters R","instrumentMethod":"Stylus instrument","parameters":[{"parameterName":"Roughness parameter","parameterValue":"Ra"},{"parameterName":"Roughness parameter","parameterValue":"Rq"}],"id":45553,"statusDate":"2025-06-11","domainCode":"PHYSICS","metrologyAreaLabel":"L","rmo":"SIM","countryValue":"Mexico","nmiCode":"CENAM","nmiName":"Centro Nacional de Metrologia","nmiServiceCode":"740-D017C-003-CC","nmiServiceLink":"https://www.cenam.mx/calibracion/servicios.aspx?division=740","nmiRorIdentifier":"05v1qt749","nmiWikiDataIdentifier":"Q5761429","nmiIdentifiers":[{"identifier":"05v1qt749","scheme":"ROR"},{"identifier":"Q5761429","scheme":"WIKIDATA"}],"quantityValue":"Roughness","cmc":{"lowerLimit":0.02,"upperLimit":50.0,"unit":"µm"},"cmcUncertainty":{"lowerLimit":11.0,"upperLimit":161.0,"unit":"nm"},"confidenceLevel":95.0,"coverageFactor":2.0,"uncertaintyEquation":{"equation":"11 nm + 3e-3<em>R</em>","equationComment":"Where<em> R</em> is the parameter Ra<sub>&nbsp;</sub>or Rq"},"uncertaintyTable":{"tableName":"","tableRows":0,"tableCols":0,"tableComment":"","tableContents":"<masked>"},"uncertaintyMode":"Absolute","traceabilitySource":"CENAM","comments":"","groupIdentifier":""}}