| 摘要 |
The invention relates to a device for determining and/or monitoring a process variable of a medium, comprising a sensor (1), a sensor neck (2) and a housing (11) having a housing neck (12). According to the invention, the sensor neck or the housing neck (12) comprises a radial groove (20) and an axial groove (21), and the housing neck (12) or the sensor neck (2) has a bayonet nose (25), there is a position of engagement wherein the bayonet nose (25) can be arranged via the axial groove (21) into the radial groove (20), the sensor neck (2) contains a first retaining element (31), the housing neck (12) contains a second retaining element (32) and the first retaining element (31) and second retaining element (32) prevent the sensor neck (2) and housing neck (12) from rotating counter to each other into the position of engagement when the bayonet nose (25) is located in the radial groove (20). |
