Sciosense B.v.

Faik Coskunsu

Stefan Kern

In an embodiment an ultrasonic flow meter includes a first transducer and a second transducer, a first impedance circuit and a second impedance circuit, each of the first and second impedance circuits having a variable impedance, a first terminal coupled to the first transducer via the first impedance circuit, a second terminal coupled to the second transducer via the second impedance circuit, a signal generator with a signal output and a signal evaluation circuit with a signal input, wherein the signal output and the signal input are coupled to the first and second terminals, and wherein the signal evaluation circuit includes a time-to-digital converter and a first comparator that couples the signal input to a first input of the time-to-digital converter, and a control circuit that is coupled to the signal generator, the signal evaluation circuit and the variable impedance.

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Karlsruhe, Germany

Faik Coskunsu