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The BIPM key comparison database
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METROLOGY AREA
Length (9)
Dimensional Metrology (7)
Laser Frequencies (2)
TYPE
Key comparisons (8)
Supplementary comparisons (1)
STATUS
Approved for equivalence (6)
Ongoing, approved for equivalence (1)
Approved and published (1)
Report in progress, Draft B (1)
ORGANISATIONS
APMP (8)
CCL (1)
Result of the search
Your query 'Viet Nam' produced 9 results New search

  APMP.L- K1 Gauge blocks by interferometry
2001 - 2002
Comparison type, Field   Key comparison in Length, Dimensional Metrology
Status   Approved for equivalence, Results available
  APMP.L- K1.1 Gauge blocks by interferometry
2005 - 2006
Comparison type, Field   Key comparison in Length, Dimensional Metrology
Status   Approved for equivalence, Results available
  APMP.L- K4 Diameter standards
2008 - 2010
Comparison type, Field   Key comparison in Length, Dimensional Metrology
Internal and external diameters
Status   Approved for equivalence, Results available
  APMP.L- K11.1 Comparison of primary wavelength standards
2007
Comparison type, Field   Key comparison in Length, Laser Frequencies
633 nm
Status   Approved for equivalence, Results available
  APMP.L- S3 Gauge block by mechanical comparison
2006 - 2009
Comparison type, Field   Supplementary comparison in Length, Dimensional Metrology
Status   Approved and published
  CCL- K11 Comparison of optical frequency and wavelength standards
2008 -
Comparison type, Field   Key comparison in Length, Laser Frequencies
Status   Ongoing, approved for equivalence, Results available
  APMP.L- K6 Two-dimensional coordinate measuring machine artefacts
2006 - 2008
Comparison type, Field   Key comparison in Length, Dimensional Metrology
Status   Approved for equivalence, Results available
  APMP.L- K8 Calibration of surface roughness standards
2008 - 2010
Comparison type, Field   Key comparison in Length, Dimensional Metrology
Status   Approved for equivalence
  APMP.L- K7.2014 Calibration of a linescale
2015 - 2017
Comparison type, Field   Key comparison in Length, Dimensional Metrology
Status   Report in progress, Draft B