Home    Key and supplementary comparisons    Calibration and Measurement Capabilities - CMCs
Key and supplementary comparisons - Information
CCL-K4.a
Information
Pilot / Contact
Participants
Results
Print out
Related links
KCDB Statistics
KCDB FAQs
KCDB Reports
CIPM MRA
JCRB
Find my NMI
Metrologia
Contact us
BIPM.KCDB@bipm.org
CCL-K4.a
Information
Metrology area, branch   Length, Dimensional Metrology
Description   Diameter standards
Time of measurement   2000 - 2002
Status   Approved for equivalence, Results available
Reference(s)   CCL-K4 Technical Protocol
Measurand   Internal diameter: 5.17 mm to 100 mm
Transfer device(s)   Four steel ring gauges
Comparison type   Key comparison
Consultative Committee  CCL (Consultative Committee for Length)
Conducted by   CCL (Consultative Committee for Length)