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Calibration and Measurement Capabilities
Length
In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a2 + b2]1/2
 
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Your selection : Length
 
Argentina, INTI (Instituto Nacional de Tecnologia Industrial)
Complete CMCs in Length for Argentina (.PDF file)
Angle artifacts. Angle block: included angle, 0 ° to 90 °
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ": 0.4
Index table and autocollimator
Approved on 27 November 2012
Internal NMI service identifier: INTI/15.04.01.05.00.042
 
Angle by circle dividers. Index table: index angle, 360/n (n = 24) ° to 360/n (n = 3) °
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ": 0.2
Index table and autocollimator, full closure
Measured angle: 360/n º, number of divisions n: 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20 and 24
Approved on 27 November 2012
Internal NMI service identifier: INTI/15.04.01.05.00.044
 
Angle by circle dividers. Optical polygon: face angle, 360/n (n = 24) ° to 360/n (n = 3) °
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ": 0.2
Index table and autocollimator, full closure
Measured angle: 360/n º, number of faces n: 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20 and 24
Approved on 27 November 2012
Internal NMI service identifier: INTI/15.04.01.05.00.043
 
Diameter standards. External cylinder (plug): diameter L, 3 mm to 250 mm
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in µm: Q[0.26, 0.0010L], L in mm
CMM, laser and gauge block
Approved on 27 November 2012
Internal NMI service identifier: INTI/15.04.01.05.00.041
 
Diameter standards. Internal cylinder (ring): diameter L, 3 mm to 250 mm
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in µm: Q[0.30, 0.0008L], L in mm
CMM, laser and gauge block
Approved on 27 November 2012
Internal NMI service identifier: INTI/15.04.01.05.00.041
 
End standards. Gauge block: central length, L, 0.5 mm to 100 mm
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in nm: Q[21, 0.51L], L in mm, values range from 21 nm to 55 nm
Interferometry exact fractions
Approved on 27 November 2012
Internal NMI service identifier: INTI/102.01.04.05.00.002


 
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