| Metrology area, Sub-field | Electricity and Magnetism, AC Voltage, Current, Power, and AC/DC Transfer |
| Description | Comparison of the measurement of current transformers |
| Time of measurements | 1999 - 2000 |
| Status | Approved |
| Final Reports of the comparisons | |
| Measurand | AC current ratio: 1 A, 5 A, 10 A, 20 A, 50 A, 100 A, 200 A, 500 A and 1000 A to 5 A |
| Parameters | Frequency: 50 Hz |
| Transfer device | Smith Hobson multi-ratio transformer |
| Comparison type | Supplementary Comparison |
| Consultative Committee | CCEM (Consultative Committee for Electricity and Magnetism) |
| Conducted by | EURAMET (European Association of National Metrology Institutes) |
| RMO Internal Identifier | EUROMET Project Nos 473 and 612 |
| Comments | |
| Pilot institute |
NPL
National Physical Laboratory United Kingdom |
| Contact person | L. Henderson +44 (0) 20 8943 7154 |
| Pilot laboratory | |
|---|---|
| NPL |
National Physical Laboratory, United Kingdom, EURAMET |
| BEV |
Bundesamt für Eich- und Vermessungswesen, Austria, EURAMET |
| BNM-LNE |
Bureau National de Métrologie - Laboratoire National d'Essais, France, EURAMET |
| CMI |
Czech Metrology Institute, Czechia, EURAMET |
| GUM |
Glowny Urzad Miar, Central Office of Measures, Poland, EURAMET |
| HUT |
Helsinki University of Technology, Finland, EURAMET |
| IEN |
Istituto Elettrotecnico Nazionale Galileo Ferraris; from 1st January 2006: Istituto Nazionale di Ricerca Metrologica, INRIM, Italy, EURAMET |
| Laborelec |
Laborelec S.C., Laboratoire Central d'Electricité, Belgium, EURAMET |
| METAS |
Federal Institute of Metrology, Switzerland, EURAMET |
| MIKES |
VTT Technical Research Centre of Finland Ltd, Centre for Metrology/Mittatekniikan keskus, Finland, EURAMET |
| OMH |
Országos Mérésügyi Hivatal; Subsequently MKEH, now BKFH, Hungary, EURAMET |
| PTB |
Physikalisch-Technische Bundesanstalt, Germany, EURAMET |
| SP |
Technical Research Institute of Sweden from 2017 Research Institutes of Sweden AB, Sweden, EURAMET |
| UME |
TÜBITAK Ulusal Metroloji Enstitüsü, Türkiye, EURAMET |
| VMT/VMC |
State Metrology Service / Vilnius Metrology Center, now Vilnius Metrology Center/VI Vilniaus metrologijos centras, VMC, Lithuania, EURAMET |
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