Leak detector and method for detecting leaks
作者： Frédéric Rouveyre , Laurent Ducimetiere , Michel Puech
DOI:
关键词:
摘要: The invention relates to a leak detector (1) for detecting leaks of an object be tested (A) by tracer gas, the including: gas inlet (2); pumping device (4); pipe (3) connecting (2) (6) mounted on (3), as bypass (4), comprising: probe (12) configured ionise molecules and measure current ionised molecules, separating membrane (8) arranged upstream (12), characterised in that is monoatomic layer graphene (9) deposited gas-pervious substrate (11) (6), selection openings (10) which largest dimension (D) smaller than 5 angstroms being so only have dimensions can pass through reach (12). also method leaks.
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