FIELD: physics.
SUBSTANCE: invention relates to the field of leak detection and can be used to test a leak detection system. Method comprises filling cavity (12) with ambient air up to internal pressure (P1) that corresponds to atmospheric ambient pressure. Producing external pressure (P2) in the region surrounding test leak device (10) with test leak (16), said external pressure being lower than the internal pressure (P1). Measuring the leak rate of the air flowing through test leak device (10) through test leak (16). Producing an atmosphere composed of ambient air and having atmospheric ambient pressure as external pressure (P2) in the region surrounding test leak device (10).
EFFECT: technical result: reduction in the frequency of maintenance.
12 cl, 2 dwg
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