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

Projects TC-L

Reg. No.
Coordinating Institute
Collaboration Type
L 1074 2008-10-15 Angle comparison using an autocollimator PTB completed Comparison EURAMET.L-K3.2009
L 1138 2009-11-23 Comparison of gauge blocks by interferometry DZM completed Comparison EURAMET.L-K1.2
L 1169 2011-02-01 Comparison of laser distance measuring instruments GUM completed Comparison EURAMET.L-S20
L 1218 2012-01-02 Calibration of Gauge Blocks by Interferometry BEV completed Comparison EURAMET.L-K1.2011
L 1223 2012-03-12 Supplementary Comparison of Parallel Thread Gauges FSB-LPMD completed Comparison EURAMET.L-S21
L 1245 2013-01-01 Key comparison on surface roughness standards METAS completed Comparison EURAMET.L-K8.2013
L 1254 2013-04-01 Calibration of gauge blocks by mechanical comparison DTI completed Comparison EURAMET.L-S22
L 1269 2013-06-01 Comparison of high precision roundness measurements CEM completed Comparison EURAMET.L-S23
L 1283 2012-10-29 Calibration of gauge blocks by mechanical comparison DMDM completed Comparison
L 1299 2013-10-14 Follow-up of Euromet L-K4.2005 VSL in progress Comparison EURAMET.L-K4.2005.1
L 1407 2016-09-01 Measurement of groove depth standards in the range 1 µm up to 1 mm PTB in progress Comparison EURAMET.L-S26
L 1321 2014-06-23 Bilateral comparison in angle LNE completed Comparison EURAMET.L-K3.2009.1
L 1320 2014-06-23 Bilateral comparison in linescale LNE completed Comparison EURAMET.L-K7.2014
L 1354 2015-03-01 Comparison of pocket-type laser distance measurement instruments (EDMs) CEM completed Comparison EURAMET.L-S25
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 1502 2020-03-01 Calibration of surface roughness standards PTB in progress Comparison EURAMET.L-K8.2020
L 1410 2016-10-10 Calibration of Diameter Standards INRIM in progress Comparison EURAMET.L-K4.2015
L 1413 2017-03-01 Angle comparison using an autocollimator METAS completed Comparison EURAMET.L-K3.2009.2
L 1433 2018-01-01 Measurement of Steel Tapes of 10 m and 50 m PTB in progress Comparison EURAMET.L-S27
L 1487 2019-11-01 Measurement of short gauge blocks by interferometry CEM in progress Comparison EURAMET.L-K1.2019
L 1488 2020-06-01 Measurement of a 1 mm Stage Micrometer BEV in progress Comparison EURAMET.L-S29
L 1489 2020-02-01 High precision roundness measurement by error separation techniques CEM in progress Comparison EURAMET.L-S30
L 1490 2020-04-01 High precision flatness over 300 mm PTB in progress Comparison EURAMET.L-S28
L 1005 2007-06-14 Dimensional measurements - Using AFM and profilometers in Surface Measurement DFM completed Consultation
L 1016 2008-01-02 Interferometric measurements of gauge blocks DZM completed Consultation
L 207 1990-02-20 Workshop on Optical Frequency/Wavelength Standards PTB completed Consultation
L 244 1992-05-01 Development of a Length Bar Interferometer NPL completed Consultation
L 255 1991-12-19 Workshop on calibration and testing of laserinterferomters, 11/12 March 1992, Berlin PTB completed Consultation
L 283 1994-11-01 Workshop on uncertainty in dimensional metrology VSL completed Consultation
L 306 1993-09-01 Training NPL completed Consultation
L 376 1996-01-01 Danish Reference Laboratory for Dimensional Metrology DFM completed Consultation
L 378 1996-05-01 Workshop on Wavelength Standards, May 6 and 7 1996, Paris LNE completed Consultation
L 438 Laboratory for dimensional measurements of GUM GUM completed Consultation
L 530 1999-03-01 Uncertainty components on line scale measurements JV completed Consultation
L 564 2000-04-01 Interferometric and mechanical measurements of gauge blocks GUM completed Consultation
L 618 2000-04-01 Interferometric and mechanical measurements of gauge blocks GUM completed Consultation
L 654 2002-05-01 Exchange of experience in gauge blocks and material measures of length measurements GUM completed Consultation
L 718 2003-05-19 Training in laser frequencyy metrology BEV completed Consultation
L 789 2004-06-28 Using stabilized lasers for Kösters type gauge block interferometers. BEV completed Consultation
L 794 2004-08-30 Training and practical issues in gauge block metrology BEV completed Consultation
L 871 2005-09-01 Training and practical issues in angle metrology INRIM completed Consultation
L 914 2006-09-01 Introduction of primary standard of length into a national metrology laboratory MIRS/UM-FS/LTM completed Consultation
L 1237 2012-08-01 Calibration of Short Gauge Blocks by Mechanical Comparison UME completed Consultation
L 1012 2008-02-01 Limitations of measuring methods for the depth of the groove DZM completed Research
L 131 1991-01-01 Ion traps for new wavelength and frequency standards NPL completed Research
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 251 1992-03-01 Workshop on artefacts use for the calibration and performance of coordinate measuring machines LNE completed Research
L 287 1993-01-01 A 3,43 µm source for new ion trap wavelength standards NPL completed Research
L 288 1993-10-05 EUROMET-Workshop on 'Temperature Measurement in Dimensional Metrology PTB completed Research
144 result(s)