| Metrology area, Sub-field | Length, Dimensional Metrology |
| Description | Interferometric measurement of central length of gauge blocks |
| Time of measurements | 2022 - 2024 |
| Status | Planned |
| Measurand | Gauge-block central length up to 500 mm |
| Transfer device | Gauge blocks |
| Comparison type | Key Comparison |
| Consultative Committee | CCL (Consultative Committee for Length ) |
| Conducted by | EURAMET (European Association of National Metrology Institutes) |
| RMO Internal Identifier | EURAMET 1545 |
| Comments | Central length as per ISO 3650 |
| Pilot institute |
NPL
National Physical Laboratory United Kingdom |
| Contact person | Andrew Lewis +44 (0) 20 8943 6074 |
| Additional |
| BFKH |
Government Office of the Capital City Budapest, Hungary, EURAMET |
| BIM |
Bulgarian Institute of Metrology, Bulgaria, EURAMET |
| BQSF, DMSc |
Bureau of Quality and Safety of Food, Department of Medical Science, Ministry of Public Health, Thailand, APMP |
| CEM |
Centro Español de Metrologia, Spain, EURAMET |
| DFM |
Danish Fundamental Metrology Ltd, Denmark, EURAMET |
| DHMZ-SOUL |
Meteorological and Hydrological Service/Calibration Laboratory, Croatia, EURAMET |
| DSA |
Norwegian Radiation and Nuclear Safety Authority, Norway, EURAMET |
| EIM |
Hellenic Institute of Metrology, Greece, EURAMET |
| FGI |
Finnish Geospatial Research Institute, Finland, EURAMET |
| GUM |
Glowny Urzad Miar, Central Office of Measures, Poland, EURAMET |
| IH-LQPM |
Instituto Hidrográfico - Laboratório de Química e Poluição do Meio Marinho, Portugal, EURAMET |
| LGC |
Laboratory of the Government Chemist, United Kingdom, EURAMET |
| MRC MI-UAL |
Marmara Research Center, Materials Institute - Underwater Acoustics Laboratory, Türkiye, EURAMET |
| MUSSD |
Department of Measurement Units, Standards and Services, Sri Lanka, APMP |
| NSAI NML |
NSAI National Metrology Laboratory, Ireland, EURAMET |
| RISE |
Research Institutes of Sweden AB, Sweden, EURAMET |
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