| Metrology area, Sub-field | Mass and related quantities, Hardness |
| Description | Hardness Rockwell (HRA, HRB and HRC) |
| Time of measurements | 2018 |
| Status | Approved |
| Final Reports of the comparisons | |
| References | |
| Measurand | Hardness (27, 46, 66, 87) HRA (32, 53,73, 95) HRB (25, 36, 45, 57, 67) HRC |
| Parameters | In accordance with ISO 6508-1:2016 and ISO 6508-3:2015 standards |
| Transfer device | Hardness reference blocks |
| Comparison type | Supplementary Comparison |
| Consultative Committee | CCM (Consultative Committee for Mass and Related Quantities) |
| Conducted by | EURAMET (European Association of National Metrology Institutes) |
| RMO Internal Identifier | EURAMET 1444 |
| Comments |
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| Pilot institute |
INRIM
Istituto Nazionale di Ricerca Metrologica Italy |
| Contact person | Alessandro Germak +39 011 3919 924 |
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