PRODUCT LEAKAGE MEASURING DEVICE Russian patent published in 2013 - IPC G01M3/06 

FIELD: test equipment.

SUBSTANCE: device includes a bubble chamber, a drain tube, a standard capacity, temperature and pressure sensors of gas in the standard capacity, five shutoff valves, connection tubes, a regulated valve, a microphone, an amplifier, a comparator, a setting device for level of actuation voltage of the comparator, a double-throw switch, six electronic switches, a switchgear, a pulser, a calculator with four input memory registers, a pulse counter, two adders, two dividers, a trigger, two timers, four delay elements, three memory units, two comparison units, and a pressure difference setting unit.

EFFECT: improving the accuracy of determination of low gas leaks of tested products.

1 dwg