The list shows all projects coordinated within the Technical Committee for Length.

Projects TC-L

Reg. No.
Coordinating Institute
Collaboration Type
L 882 2006-02-01 Calibration of line scales EUROMET.L-K7 MIRS/UM-FS/LTM completed Comparison EURAMET.L-K7.2006
L 471 1998-09-01 Short gauge blocks measured by interferometry LNE completed Comparison EUROMET.L-K1
L 925 2006-08-01 Intercomparison of Measurements on Step Height Standards by SPM (EURAMET.L-S15.a) PTB completed Comparison EUROMET.L-S15.a
L 1433 2018-01-01 Measurement of Steel Tapes of 10 m and 50 m PTB in progress Comparison EURAMET.L-S27
L 1299 2013-10-14 Follow-up of Euromet L-K4.2005 VSL completed Comparison EURAMET.L-K4.2005.1
L 875 2005-11-01 Bilateral comparison of a tape measure METAS completed Comparison EUROMET.L-S17
L 1410 2016-10-10 Calibration of Diameter Standards INRIM in progress Comparison EURAMET.L-K4.2015
L 1169 2011-02-01 Comparison of laser distance measuring instruments GUM completed Comparison EURAMET.L-S20
L 1053 2008-07-28 Involute Gear Artifacts PTB completed Comparison EURAMET.L-S24
L 1413 2017-03-01 Angle comparison using an autocollimator METAS completed Comparison EURAMET.L-K3.2009.2
L 1365 2016-01-01 Key Comparison EURAMET.L-K5.2016 Calibration of a Step Gauge NPL in progress Comparison EURAMET.L-K5.2016
L 1407 2016-09-01 Measurement of groove depth standards in the range 1 µm up to 1 mm PTB completed Comparison EURAMET.L-S26
L 1269 2013-06-01 Comparison of high precision roundness measurements CEM completed Comparison EURAMET.L-S23
L 1254 2013-04-01 Calibration of gauge blocks by mechanical comparison DTI completed Comparison EURAMET.L-S22
L 910 2006-07-07 Bilateral comparison of squareness measurements SMU completed Comparison EUROMET.L-S19
L 905 2006-08-01 Bilateral comparison of squareness measurements SMU completed Comparison EUROMET.L-S18
L 1502 2020-03-01 Calibration of surface roughness standards PTB in progress Comparison EURAMET.L-K8.2020
L 1488 2020-06-01 Measurement of a 1 mm Stage Micrometer BEV in progress Comparison EURAMET.L-S29
L 1490 2020-04-01 High precision flatness over 300 mm PTB in progress Comparison EURAMET.L-S28
L 1489 2020-02-01 High precision roundness measurement by error separation techniques CEM in progress Comparison EURAMET.L-S30
L 1487 2019-11-01 Measurement of short gauge blocks by interferometry CEM in progress Comparison EURAMET.L-K1.2019
L 1245 2013-01-01 Key comparison on surface roughness standards METAS completed Comparison EURAMET.L-K8.2013
L 1138 2009-11-23 Comparison of gauge blocks by interferometry DZM completed Comparison EURAMET.L-K1.2
L 1074 2008-10-15 Angle comparison using an autocollimator PTB completed Comparison EURAMET.L-K3.2009
L 601 2000-11-01 Calibration of 8 steel gauge blocks by mechanical comparison NSAI NML completed Comparison EURAMET.L-S12
L 870 2007-11-01 (Bilateral) Comparison of measurements on precision polygons INRIM completed Comparison EUROMET.L-K3.1
L 1003 2007-11-09 Intercomparison of Measurements on Surface Texture Standards LNE completed Comparison EURAMET.L-K8
L 1354 2015-03-01 Comparison of pocket-type laser distance measurement instruments (EDMs) CEM completed Comparison EURAMET.L-S25
L 812 2005-01-01 Calibration of Diameter Standards INRIM completed Comparison EUROMET.L-K4.2005
L 1223 2012-03-12 Supplementary Comparison of Parallel Thread Gauges FSB-LPMD completed Comparison EURAMET.L-S21
L 1218 2012-01-02 Calibration of Gauge Blocks by Interferometry BEV completed Comparison EURAMET.L-K1.2011
L 1320 2014-06-23 Bilateral comparison in linescale LNE completed Comparison EURAMET.L-K7.2014
L 1321 2014-06-23 Bilateral comparison in angle LNE completed Comparison EURAMET.L-K3.2009.1
L 797 2003-06-01 Calibration of gauge blocks by mechanical comparison NPL completed Comparison EUROMET.L-S16
L 1005 2007-06-14 Dimensional measurements - Using AFM and profilometers in Surface Measurement DFM completed Consultation
L 1012 2008-02-01 Limitations of measuring methods for the depth of the groove DZM completed Research
L 1016 2008-01-02 Interferometric measurements of gauge blocks DZM completed Consultation
L 1045 2008-12-01 Direct comparison of 3 optical femtosecond comb generators BEV completed Comparison
L 7 1989-12-01 Calibration of gear standards PTB completed Traceabillity
L 131 1991-01-01 Ion traps for new wavelength and frequency standards NPL completed Research
L 135 1989-11-01 Calibration service for line standards from 0 to 3000 mm LNE completed Traceabillity
L 137 1989-11-01 Certification of API gauges NPL completed Traceabillity
L 142 1988-10-01 Calibration of polarimeters and saccharimeters PTB completed Traceabillity
L 207 1990-02-20 Workshop on Optical Frequency/Wavelength Standards PTB completed Consultation
L 227 1990-03-23 Workshop on co-ordinate measuring technology NPL completed Research
L 228 1991-01-01 Development of a practical air refractometer METAS completed Research
L 229 1990-11-01 Measurement of gauge blocks (<100 mm) by interferometry METAS completed Comparison
L 244 1992-05-01 Development of a Length Bar Interferometer NPL completed Consultation
L 251 1992-03-01 Workshop on artefacts use for the calibration and performance of coordinate measuring machines LNE completed Research
L 252 1992-01-01 Measurement of line scales of one meter long LNE completed Comparison
145 result(s)