{"metadata":{"queryDate":"26 July 2026","version":"2.0 Beta"},"data":{"kcdbCode":"SIM-L-MX-00000AVQ-2","status":"Published","publicationDate":"2025-06-11","approvalDate":"2020-08-04","kcdbServiceCategory":"L/DimMet-2.2.2","internationalStandard":"ISO 3650:1998(E)","branchValue":"Dimensional metrology","serviceValue":"Linear dimensions","subServiceValue":"End standards","individualServiceValue":"Length bar (long gauge block)","instrument":"Length bar (long gauge block)","instrumentMethod":"Interferometry exact fractions","parameters":[{"parameterName":"Material","parameterValue":"Ceramic"}],"id":45564,"statusDate":"2025-06-11","domainCode":"PHYSICS","metrologyAreaLabel":"L","rmo":"SIM","countryValue":"Mexico","nmiCode":"CENAM","nmiName":"Centro Nacional de Metrologia","nmiServiceCode":"740-D017A-007-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":"Central length","cmc":{"lowerLimit":100.0,"upperLimit":300.0,"unit":"mm"},"cmcUncertainty":{"lowerLimit":47.0,"upperLimit":128.0,"unit":"nm"},"confidenceLevel":95.0,"coverageFactor":2.0,"uncertaintyEquation":{"equation":"Q[22 nm, 0.42e-6<em>L</em>]","equationComment":"Where <em>L </em>is the length of the gauge block"},"uncertaintyTable":{"tableName":"","tableRows":0,"tableCols":0,"tableComment":"","tableContents":"<masked>"},"uncertaintyMode":"Absolute","traceabilitySource":"CENAM and NPL","comments":"","groupIdentifier":""}}