| Metrology area, Sub-field | Length, Dimensional Metrology |
| Description | Calibration of surface roughness standards |
| Time of measurements | 2009 - 2010 |
| Status | Approved for equivalence |
| Final Reports of the comparisons | |
| Measurand | Ra: 0.06 µm, 0.1 µm, 3.0 µm; RSm: 8.0 µm, 100.0 µm; Rq in µm; Rz in µm, Rt in µm; d in µm |
| Transfer device | One standard type A1, two standards type C1, one standard type D1 according to ISO 5436-1:2000, two softgauges (one periodic, one aperiodic) |
| Comparison type | Key Comparison |
| Consultative Committee | CCL (Consultative Committee for Length ) |
| Conducted by | EURAMET (European Association of National Metrology Institutes) |
| RMO Internal Identifier | EURAMET Project No 1003 |
| Comments | Final Report published on 07 July 2017 Calibration of surface roughness standards |
| Pilot institute |
LNE
Laboratoire national de métrologie et d'essais France |
| Contact person | G.-P. VAILLEAU +33 (0) 1 40 43 37 77 |
| Pilot laboratory | |
|---|---|
| LNE |
Laboratoire national de métrologie et d'essais, France, EURAMET |
| CENAM |
Centro Nacional de Metrologia, Mexico, SIM |
| CMI |
Czech Metrology Institute, Czechia, EURAMET |
| INM |
National Institute of Metrology, Romania, EURAMET |
| INMETRO |
Instituto Nacional de Metrologia, Qualidade e Tecnologia, Brazil, SIM |
| INRIM |
Istituto Nazionale di Ricerca Metrologica, Italy, EURAMET |
| INTI |
Instituto Nacional de Tecnologia Industrial, Argentina, SIM |
| NIS |
National Institute for Standards, Egypt, AFRIMETS |
| NIST |
National Institute of Standards and Technology, United States, SIM |
| NPL |
National Physical Laboratory, United Kingdom, EURAMET |
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