Method and device for calibrating measuring transducers of ultrasonic flow meters
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United States of America Patent
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Jul 21, 2015
Grant Date -
Sep 22, 2011
app pub date -
Nov 19, 2009
filing date -
Nov 21, 2008
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Abstract
The invention relates to a method for calibrating the transmitters of ultrasonic flow meters according to the transit time difference method. The object of the invention is to provide a method for calibrating the transmitters of ultrasonic flow meters, said calibration being able to be carried out independently of the other components of the meter, such as the acoustic transducers and the pipe in which the fluid flow being measured occurs. According to the invention, the measurement signals are generated by means of an artificial simulation of the measurement path. This allows the transmitter to be calibrated independently of the remaining components of the measuring apparatus, such as the measuring tube and the acoustic transducers.
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