Introduction of S.H.Meters: What is the measurement principle of ultrasonic water meters?
In terms of principle, the ultrasonic water meter adopts the principle of ultrasonic time difference. By detecting the time difference caused by the change of speed when the ultrasonic sound beam propagates downstream and countercurrent in the water, it is an electronic water meter made of industrial-grade click components. Compared with traditional mechanical water meters, ultrasonic water meters have higher precision, a wider range ratio, longer service life, and more flexible installation angles. So, specifically, what is the working principle of the ultrasonic water meter?
The ultrasonic water meter uses the time difference method to measure the flowmeter, that is, an ultrasonic transducer is installed upstream and downstream of the measurement pipeline for the conversion between the transmitted signal and the received signal between the ultrasonic signals.
In the pipeline, the ultrasonic signal and the water flow signal are superimposed, so that the propagation speed of the ultrasonic wave is different in the forward flow and the upstream flow, so the ultrasonic signal emitted by different transducers will have a different propagation speed in the water, which can be used for measurement. The time difference calculates the flow rate of the flow, and converts the flow rate into the flow rate, so as to realize the measurement of the flow rate.
Two transducers will be installed on the top of the pipe, which we call transducer A and transducer B. Transducer A transmits ultrasonic signals to transducer B (downstream), while transducer B transduces energy to transducer A The transmitter emits an ultrasonic signal (reverse flow), and the transmission process of the ultrasonic signal in the downstream and reverse flow will form a time difference, and the flow rate is calculated according to this time difference.