| Metrology area, Sub-field | Electricity and Magnetism, High voltage and current |
| Description | AC high current ratio using measuring system for current transformers |
| Time of measurements | 2016 - 2019 |
| Status | Approved |
| Final Reports of the comparisons | |
| Measurand | AC high current ratio (1 A ... 5000 A) / (5 A; 1 A) : Current ratio error and phase displacement |
| Parameters | Frequency at 50 Hz |
| Transfer device | Two current transformers: TTE-3000.5 and TTE-100 |
| Comparison type | Supplementary Comparison |
| Consultative Committee | CCEM (Consultative Committee for Electricity and Magnetism) |
| Conducted by | COOMET (Euro-Asian Cooperation of National Metrological Institutions) |
| RMO Internal Identifier | COOMET 681/RU-а/16 |
| Pilot institute |
UNIIM
Ural Scientific and Research Institute for Metrology, Rosstandart Russian Federation |
| Contact person | E. Voronskay +7 343 217-29-20 |
| Additional |
| BelGIM |
Belarussian State Institute for Metrology, Belarus, COOMET |
| GEOSTM |
Georgian National Agency for Standards and Metrology, Georgia, EURAMET |
| KazStandard |
Kazakhstan Institute of Standardization and Metrology, Kazakhstan, COOMET |
| MASM |
Mongolian Agency for Standardization and Metrology, Mongolia, APMP |
| SE "Ukrmetrteststandard" |
State Enterprise "Ukrmetrteststandard", Ukraine, EURAMET |
| VNIIM |
D.I. Mendeleyev Institute for Metrology, Rosstandart, Russian Federation, COOMET |
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