| русский | rus-000 |
| эталонный прибор | |
| English | eng-000 | calibration instrument |
| English | eng-000 | known good device |
| English | eng-000 | known-good device |
| English | eng-000 | primary instrument |
| English | eng-000 | reference gage |
| English | eng-000 | reference instrument |
| English | eng-000 | standard instrument |