| Subject | English | French |
| tech. | calibration factor of the primary device | facteur d'étalonnage de l'élément primaire |
| comp., MS | primary device | périphérique principal (A software deployment condition that defines one or more devices that a specific user uses. A primary device is typically determined either by frequency of use or by business requirements) |
| tech. | primary device | élément primaire |
| tech. | primary device of a differential pressure device | élément primaire d'un appareil déprimogène |
| tech. | primary device of an electromagnetic flowmeter | élément primaire d'un débitmètre électromagnétique |
| comp., MS | primary storage device | dispositif de stockage principal (A storage device that holds data in temporary memory such as RAM) |