Ultrasonic thickness gauge having automatic transducer recogniti

Details Ultrasonic thickness gauge having automatic transducer recogniti Ultrasonic thickness gauge having automatic transducer recogniti

1988-06-27

1989-06-20

Levy, Stewart J.

Measuring and testing

Vibration

By mechanical waves

73620, G01N 2900

Patent

active

048400661

ABSTRACT:
A measurement system employs a method and apparatus for uniquely tagging each of a plurality of transducers, automatically recognizing the tag for identifying the transducer and automatically adjusting electronic parameters of the system for enhancing performance with a selected transducer. In a preferred embodiment, a resistor is inserted in a piezoelectric transducer of an ultrasonic thickness gauge, a current source and A to D converter measure the resistor and a microprocessor-based logic system adjusts measurement parameters of the gauge to be automatically optimized for the associated transducer characteristics.

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