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Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Length for Mexico (.PDF file)
CMM artefacts. Ball bar: ball spacing L, 10 mm to 1100 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in µm: (0.4 + 0.6E-03L)
CMM and stylus, with gauge substitution
Approved on 14 June 2004
Internal NMI service identifier: CENAM/36
 
CMM artefacts. Ball and bore plates, L, 10 mm to 650 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in µm: (0.6 + 0.9E-03L)
CMM and stylus, with gauge substitution and reversal methods
Approved on 14 June 2004
Internal NMI service identifier: CENAM/37