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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
 
Result of the search
Your selection : Length, Dimensional metrology
 
Australia, NMIA (National Measurement Institute, Australia)
Complete CMCs in Length for Australia (.PDF file)
Angle artifacts. Angle block: included angle, 0 ° to 180 °
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in arcsecond: 0.3
Autocollimator and indexing table
Approved on 2 January 2019
Internal NMI service identifier: 1.08.01b
 
Angle by circle dividers. Index table: index angle, 0.25 ° to 360 °
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in arcsecond: 0.05
Autocollimator and cross calibration technique
Approved on 2 January 2019
Internal NMI service identifier: 1.08.09
 
Angle by circle dividers. Optical polygon: face angle, 5 ° to 120 °
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in arcsecond: 0.2
Autocollimator and indexing table
Number of faces, n: 3 < n < 72
Approved on 2 January 2019
Internal NMI service identifier: 1.08.01a
 
Angle Instruments. Autocollimator: error of indicated angle, 0 arcsecond to 1000 arcsecond
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in arcsecond: 0.15
sine table and digital scale
Approved on 2 January 2019
Internal NMI service identifier: 1.09.01
 
CMM artifacts. Ball/hole plate: centre coordinates, 0 mm to 800 mm
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in µm: Q[ 0.7,0.0015L ], L centre coordinate in mm
CMM, reference length bars & reversal method
Approved on 2 January 2019
Internal NMI service identifier: 1.08.16b
 
Diameter Standards. External cylinder: diameter D , 1 mm to 200 mm
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in nm: Q[ 90,1.3D ], D diameter in mm
1-D comparator and laser interferometer
Approved on 2 January 2019
Internal NMI service identifier: 1.08.02


 
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