Method for temperature compensation of an ultrasonic measuring d

Details Method for temperature compensation of an ultrasonic measuring d Method for temperature compensation of an ultrasonic measuring d

1977-06-22

1979-09-04

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

G01N 2902

Patent

active

041663942

ABSTRACT:
The temperature compensation of an ultrasonic measuring device of the concentration of solutions is achieved by application of a reference solution with a maximum speed of propagation of ultrasonic waves and a reference solution with a minimum speed of propagation of ultrasonic waves, by determining differences of time intervals of the speed of propagation of ultrasonic waves of these reference solutions with respect to the measured solution and by dividing the resulting differences.

REFERENCES:
patent: 3076519 (1963-02-01), Alsabrook
patent: 3299707 (1967-01-01), Noel
patent: 3973430 (1976-08-01), Cirulis et al.
Chen et al., "Three-Transducer Differential Phase Shift Method for Measurement of Ultrasonic Velocity in Liquid", Review of Scientific Instruments, pp. 1095-1098, 8/1975.

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