Home    Key and supplementary comparisons    Calibration and Measurement Capabilities - CMCs
 Home  > CMCs Search  > L search form  > Country list  > CMC information
CMCs - Result of the search
Physics
• Acoustics, Ultrasound, Vibration
• Electricity and Magnetism
• Length
• Mass and related quantities
• Photometry and Radiometry
• Ionizing Radiation
• Thermometry
• Time and Frequency
Chemistry
• Chemistry
Related links
• KCDB Statistics
• KCDB FAQs
• KCDB Reports
• CIPM MRA
• JCRB
• Find my NMI
• Metrologia
Contact us
• BIPM.KCDB@bipm.org
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
 
Portugal, IPQ (Instituto Portugues da Qualidade)
Complete CMCs in Length for Portugal (.PDF file)
Angle artefacts. Angle block: included angle, 0 ° to 90 °
Absolute expanded uncertainty (k = 2, level of confidence 95%) in ": 1
Index table and autocollimator
Internal NMI service identifier: IPQ/110.01
 
Angle by circle dividers. Index table: index angle, 0 ° to 360 °
Absolute expanded uncertainty (k = 2, level of confidence 95%) in ": 1
Cross calibration versus index table and autocollimator
Step size: 30 °, 40 °, 60 °
Internal NMI service identifier: IPQ/110.02
 
Angle by circle dividers. Optical polygon: face angle, 4 faces to 24 faces
Absolute expanded uncertainty (k = 2, level of confidence 95%) in ": 1
Cross calibration versus index table and autocollimator
Internal NMI service identifier: IPQ/110.04
 
Angle prisms. Optical square (pentaprism), 90 °
Absolute expanded uncertainty (k = 2, level of confidence 95%) in ": 0.5
2-mirror method
Approved on 03 November 2009
Internal NMI service identifier: IPQ/110.03
 
CMM artefacts. Ball plate: 2-D centre coordinate, (50x50) mm2 to (400x400) mm2
Absolute expanded uncertainty (k = 2, level of confidence 95%) in µm: Q[1.5, 1.6L], L in m
CMM
Length: ball centre
Approved on 08 October 2012
Internal NMI service identifier: IPQ/101.60
 
End standards. Gauge block: central length L, 100 mm to 300 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in nm: Q[26, 0.4L], L in mm
Interferometry
Orientation: vertical
Approved on 30 January 2009
Internal NMI service identifier: IPQ/101.15


 
 1  2    3