METHOD OF FUNCTIONAL TEST OF LEAK DETECTOR Russian patent published in 2015 - IPC G01M3/20 

FIELD: instrumentation.

SUBSTANCE: invention relates to the field of testing devices for tightness and may be used for functional test of a leak detector (20). Substance: a leak detector (20) comprises a partial pressure sensor (21), the inlet hole (24) of which is an inlet hole of the leak detector (20), a detection chamber (22) with a window selectively permeable for test gas (23). In the detection chamber (22) there is a pressure sensor to issue indication corresponding to partial pressure of test gas. A testing device (30) is connected to the leak detector (20), and the testing device has a space (33) and modified volume, as well as a scale to observe the size of this space. By changing the size of the space (33) of the testing device (30), they vary the partial pressure of test gas contained in atmospheric air near the inlet hole (24) of the partial pressure sensor (21). They inspect whether the leak detector (20) shows partial pressure variation.

EFFECT: simplified functional test of a leak detector, reduction of labour costs and time expenditures.

5 cl, 2 dwg