reference gage, primary instrument, reference instrument, standard instrument, calibration instrument
strumento campione
Eichgerät, Normalgerät
reference instrument
standard instrument
Eichgerät n
known-good device
(измерительный) appareil-étalon
calibration instrument
етало́нний при́лад
• normálový přístroj
reference instrument
kalibrasyon aleti
known-good device