DEVICE FOR MEASURING VERTICAL DISTRIBUTION OF VELOCITY OF SOUND IN LIQUID MEDIA Russian patent published in 2008 - IPC G01H5/00 

FIELD: measuring instruments; acoustic measurements.

SUBSTANCE: device comprises generator of pulse-modulated signals 1, acoustic energy emitter 2, first 3, second 4 and third 5 acoustic receivers mounted in succession on one side of emitter 2 at fixed distances, limiting amplifiers 6, 7, 8, two delay lines 9 and 10, first group of logic circuits I 11, second group of logic circuits I 12, first group of electronic switches 13, second group of electronic switches 14, generator 15 of reference (counting) pulses, first 16 and second 17 memory units, computing unit 18, sound velocity probe 19, mounted at a fixed distance from the acoustic energy emitter 2, energy multiplier 20 and timing pulse distributor 21.

EFFECT: increasing the accuracy of measurement.

1 dwg