Application of Ultrasonic Flowmeter in Flow Measurement

Do you know? In our daily life, we speak in the form of sound waves, and sound waves are divided into infrasound, audible sound, ultrasound, and special ultrasound because of different frequencies. Today, we will talk about the application of this ultrasonic wave in our flow measurement-ultrasonic flowmeter! (Dangdangdang ~ shining debut) 　　 the principle of ultrasonic flowmeter Ultrasonic flowmeter uses the time difference method to measure the flow rate of water, with The flow rate multiplied by the cross-sectional area is the flow rate. According to the flow direction of the water, it is divided into upstream and downstream. In simple terms, the upstream and downstream are equipped with a sensor probe, which can transmit ultrasonic waves, the upstream transmits an ultrasonic wave, and the downstream reception generates a transmission time; at the same time, the downstream sensor also emits an ultrasonic wave. The signal, the upstream receiver, generates another time. The two time lengths are different, and their time difference is a function of the flow rate of the water. In this way, the flow rate of the water is carried on the ultrasonic wave. Through calculation You can get the flow rate. Application of Ultrasonic Flowmeter Since the principle of ultrasonic flowmeter is so awesome, there must be many people using it? The answer is of course: yes! 　　 because it uses advanced multi-pulse technology, signal digital processing technology and error correction technology , So that the flow meter can be more adapted to the environment of the industrial site, and the measurement is more convenient, economical and accurate, so it is widely used in the fields of petroleum, chemical industry, metallurgy, electric power, water supply and drainage.　　Advantages of Ultrasonic Flowmeter　　Advantages 1. Easy installation, no need to break the pipe.　　Many people consider installing flowmeters after the pipeline is laid. When buying other flowmeters, you have to deal with broken pipes.　　 But the ultrasonic flowmeter can make you no longer sad, no longer sad, because the ultrasonic flowmeter can measure the flow without cutting off the process pipeline.　　Advantage 2. Can measure multiple diameter pipes.　　 I don’t know if you are reading in front of the screen. Have you ever encountered such troubles? There are many pipes at the site of use. If each pipe is equipped with a flowmeter, the cost is quite large.　　 Ultrasonic flowmeter comes in handy at this time. Because the ultrasonic flowmeter is measured with a probe, the probe can be removed, so it can repeatedly measure pipes of multiple diameters.　　Advantage 3. Easy to carry 　　 General flow meters are directly fixed and installed on the pipeline, but our ultrasonic flowmeters can be used for portable measurement, which is especially used when some inspection bureaus go to field inspections.　　 advantage 4. Measurable small flow rate 　　 as the name suggests. Ultrasonic flow meters can measure some small flow rates.　　The disadvantages of ultrasonic flowmeter 　　Disadvantages 1. The accuracy is relatively poor 　　 Because of its measurement principle, the time difference between the transmission and reception of the ultrasonic signal will definitely be affected. Therefore, the accuracy of ultrasonic flowmeters is relatively poor compared to other flowmeters.　　 Disadvantages 2. Can only measure a single medium 　　 is still between the measurement principle of ultrasonic flowmeter, the measurement medium must be a single medium, so as to ensure that the ultrasonic propagation speed in the pipeline is the same everywhere in order to maintain normal operation. So this also restricts many media cannot be measured by ultrasonic.

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