{"metadata":{"queryDate":"26 April 2026","version":"1.0  Beta"},"data":{"kcdbCode":"SIM-L-MX-00000AWD-2","status":"Published","publicationDate":"2025-07-25","approvalDate":"2020-08-04","kcdbServiceCategory":"L/DimMet-4.2.4","internationalStandard":"ISO 12181","branchValue":"Dimensional metrology","serviceValue":"Form","subServiceValue":"Roundness standards","individualServiceValue":"Magnification standard (e.g. flick standard)","instrument":"Flick standard","instrumentMethod":"Roundness measuring machine","parameters":[{"parameterName":"Diameter","parameterValue":"up to 300 mm"}],"id":44694,"statusDate":"2025-07-25","domainCode":"PHYSICS","metrologyAreaLabel":"L","rmo":"SIM","countryValue":"Mexico","nmiCode":"CENAM","nmiName":"Centro Nacional de Metrologia","nmiServiceCode":"740-D018B-001-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":"Roundness","cmc":{"lowerLimit":2.0,"upperLimit":300.0,"unit":"µm"},"cmcUncertainty":{"lowerLimit":197.6,"upperLimit":2408.0,"unit":"nm"},"confidenceLevel":95.0,"coverageFactor":2.0,"uncertaintyEquation":{"equation":"Q[197 nm, 8E-03 R]","equationComment":"Where&nbsp;R&nbsp;is the roundness"},"uncertaintyTable":{"tableName":"","tableRows":0,"tableCols":0,"tableComment":"","tableContents":"<masked>"},"uncertaintyMode":"Absolute","traceabilitySource":"CENAM","comments":"","groupIdentifier":""}}