| 摘要 |
<p>The invention relates to a device (1) for detecting gases and vapours, characterised in that it comprises: at least one unit (11) for detecting gases and vapours; at least one tank (7) configured to contain at least one test gas; at least one means (12, 13, 14) for freeing the test gas contained in the reservoir (7) into a defined space in the device (1); at least one control unit (8) arranged in order to cause a defined amount of test gas to be freed into the defined space via said freeing means (12, 13, 14) and in order to carry out a measurement on the test gas detected by the detection unit (11) in said defined space; the defined space into which the test gas is freed being located facing the detection unit (11). The invention also relates to a process for testing the operation of such a device (1).</p> |
