NASA NTRS · 19730000203
Leak detector-measurer
Abstract
Detector locates leaks from inside pressurized cabins. Head is placed flush against area being tested. Should leak be present, most air inside detector housing will escape. Diaphragm will then flex into chamber and push electrical contact together, closing circuit and turning on warning light.
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Sawyer, J. T.. 1973-06-01. Leak detector-measurer. https://ntrs.nasa.gov/citations/19730000203
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