Leak detectors

Measuring and testing – With fluid pressure – Leakage

Patent

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Details

73 491, 73 405A, G01M 328

Patent

active

045760373

ABSTRACT:
In a leak detector of a kind suitable for mounting externally of a flexible hose to detect leakage of fluid through at least a part of the hose and generate a warning signal in response thereto, test means is provided for checking the operating capability of the detector. The test means is of a kind operable from outside of the detector, for example by means of a magnet or an ultrasonic signal. Accordingly particularly when the leak detector is used in underwater situations the operating capability of the detector may readily be checked in situ.

REFERENCES:
patent: 3409897 (1968-11-01), Bosselaar et al.
patent: 3935567 (1976-01-01), Reynolds
patent: 4172379 (1979-10-01), von Tilburg et al.
patent: 4259553 (1981-03-01), Tanaka et al.
patent: 4361030 (1982-11-01), Heide

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