| Metrology area, Sub-field | Length, Dimensional Metrology |
| Description | Calibration by optical Interferometry of short and long gauge blocks |
| Time of measurements | 2011 - 2014 |
| Status | Approved for equivalence |
| Final Reports of the comparisons | |
| References | |
| Measurand | Central length from 0.5 mm to 500 mm |
| Transfer device | Steel and ceramics artefacts |
| Comparison type | Key Comparison |
| Consultative Committee | CCL (Consultative Committee for Length ) |
| Conducted by | CCL (Consultative Committee for Length ) |
| Pilot institute |
CENAM
Centro Nacional de Metrologia Mexico |
| Contact person | MIGUEL VILIESID-ALONSO 4422110574 |
| Pilot laboratory | |
|---|---|
| CENAM |
Centro Nacional de Metrologia, Mexico, SIM |
| INMETRO |
Instituto Nacional de Metrologia, Qualidade e Tecnologia, Brazil, SIM |
| INRIM |
Istituto Nazionale di Ricerca Metrologica, Italy, EURAMET |
| METAS |
Federal Institute of Metrology, Switzerland, EURAMET |
| MIKES |
VTT Technical Research Centre of Finland Ltd, Centre for Metrology/Mittatekniikan keskus, Finland, EURAMET |
| NIM |
National Institute of Metrology, China, APMP |
| NIST |
National Institute of Standards and Technology, United States, SIM |
| NMC, A*STAR |
National Metrology Centre, Agency for Science, Technology and Research, Singapore, APMP |
| NMIJ AIST |
National Metrology Institute of Japan, Japan, APMP |
| NMISA |
National Metrology Institute of South Africa, South Africa, AFRIMETS |
| NRC |
National Research Council, Canada, SIM |
| PTB |
Physikalisch-Technische Bundesanstalt, Germany, EURAMET |
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