| 摘要 |
The invention relates to a device for measuring a quantity of a reducing agent, preferably NH3, contained in a vessel (10; 110; 210) containing a storage material (11; 111; 211) in which the reducing agent is stored, the volume of the storage material (11; 111; 211) varying depending on the quantity of reducing agent that it contains. The measuring device comprises means (13, 14, 14'; 113, 114; 213, 214) associated with the vessel (10; 110; 210), said means being suitable for measuring the quantity of the reducing agent stored in the storage material (11; 111; 211) depending on the volume of the latter. |
