Pulse reflection type ultrasonic thickness meter

Details Pulse reflection type ultrasonic thickness meter Pulse reflection type ultrasonic thickness meter

1973-10-03

1976-04-06

Ruehl, Charles A.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

G01B 1702

Patent

active

039480860

ABSTRACT:
A pulse reflection type ultrasonic thickness meter having an ultrasonic transducer which supplies an ultrasonic pulse wave to an object to be measured and receives an echo pulse from the object and a counter which counts the time difference between the transmission of the ultrasonic pulse wave and the echo pulse. In this case, a switching circuit is provided which controls the counter in such a manner that a power source is disconnected from the counter during a non-measurement time period.

REFERENCES:
patent: 3605504 (1971-09-01), Kummer, Jr. et al.

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