| Metrology area, Sub-field | Length, Dimensional Metrology |
| Description | Gauge block calibration by mechanical comparison |
| Time of measurements | 2023 - 2024 |
| Status | Measurements in progress |
| References | |
| Measurand | Deviation of central length from the nominal value and variation in length 0,5 mm, 4 mm, 10 mm, 25 mm, 50 mm, 100 mm |
| Parameters | Material: steel, Grade: K |
| Transfer device | ISO 3650: 1998 gauge blocks |
| Comparison type | Supplementary Comparison |
| Consultative Committee | CCL (Consultative Committee for Length ) |
| Conducted by | EURAMET (European Association of National Metrology Institutes) |
| RMO Internal Identifier | EURAMET Project No 1581 |
| Comments | The purpose of this supplementary comparison for gauge block calibration by mechanical comparison is to support new and existing CMC claims for this method. The measurands are ISO 3650: 1998 grade K gauge blocks, that are made of steel and have following nominal values: 0,5 mm, 4 mm, 10 mm, 25 mm, 50 mm, 100 mm. In this comparison for each gauge block deviation of central length from the nominal value and variation in length is to be measured and the calibration uncertainty is to be evaluated. |
| Pilot institute |
AS METROSERT
Central Office of Metrology Estonia |
| Contact person | Allar Pärn +37253889335 |
| Pilot laboratory | |
|---|---|
| AS METROSERT |
Central Office of Metrology, Estonia, EURAMET |
| BEV |
Bundesamt für Eich- und Vermessungswesen, Austria, EURAMET |
| BFKH |
Government Office of the Capital City Budapest, Hungary, EURAMET |
| BIM |
Bulgarian Institute of Metrology, Bulgaria, EURAMET |
| BMM |
Bureau of Metrology (Montenegro), Montenegro, EURAMET |
| DPM |
Drejtoria e Pergjithshme e Metrologjise/General Directorate of Metrology, Albania, EURAMET |
| FTMC |
Center for Physical Sciences and Technology, Lithuania, EURAMET |
| LATMB |
LNMC Metrology Bureau (LATMB), Latvia, EURAMET |
| MIRS/UM-FS/LTM |
MIRS/University of Maribor, Faculty for Mechanical Engineering/Laboratory for Production Management, Slovenia, EURAMET |
| NMI (MD) |
The National Metrology Institute of the Republic of Moldova, Moldova, Republic of, EURAMET |
| NPL |
National Physical Laboratory, United Kingdom, EURAMET |
| NSAI NML |
NSAI National Metrology Laboratory, Ireland, EURAMET |
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