Wall-mounted ultrasonic flowmeter

Wall-mounted ultrasonic flowmeters are common ultrasonic flowmeters currently on the market. At present, ultrasonic flowmeters on the market are mainly divided into handheld, clamp-on and wall-mounted ultrasonic flowmeters. Ultrasonic flowmeters entered the domestic market. The first was when Dalian Sony Card Instrument Co., Ltd. was established in 1992 to act as an agent for the ultrasonic flowmeters of Japan's Fuji Electric Company and Japan's Tokyo Keiso Co., Ltd. Wang Jingxian (known as Mr. Wang) He has a long experience of studying abroad in a foreign country) At that time, as the chief technical engineer of Dalian Sonya, he began to gradually contact and research ultrasonic flowmeters, and then Dalian Sonya began to independently develop ultrasonic flowmeters under the leadership of Mr. Wang. The following mainly introduces the wall-mounted ultrasonic flowmeter. The wall-mounted ultrasonic flowmeter uses the principle of low voltage, multi-pulse time difference, and adopts high-precision and ultra-stable double-balanced signal search, transmission, and differential reception digital detection technology to measure the sound wave transmission time in the upstream and upstream directions, and calculate the flow rate according to the time difference. . It has a very simple installation method, no need to break the pipe, no need to stop water, so that customers can easily realize flexible pipeline flow measurement. The product can also be equipped with installation fixtures, no daily maintenance is required, and long-term reliable and drift-free measurements are provided. It uses advanced digital correlation technology and intelligent adaptive acoustic wave technology, which makes its measurement stability more prominent. At the same time, it uses acoustic focusing technology to significantly enhance the signal reception quality of the product during continuous measurement. The main advantage of the ultrasonic flowmeter is that it is portable, easy to carry, easy to install and use, and the flow detection range is relatively large. It can detect the flow of multiple pipe diameters, unlike the pipeline flowmeter, only limited For measuring the flow rate of a caliber. Advantages are inevitably accompanied by disadvantages. The biggest disadvantage of ultrasonic flowmeters may not be that high in accuracy, and there is no high accuracy of pipeline flowmeters. However, a steady flow of fluid helps to stabilize the measurement, thereby ensuring measurement accuracy. The chaotic fluid flow will make the measurement data unstable or impossible to measure. When measuring pipes with a diameter greater than DN300, an extension bracket is required. The diameter of the pipe measured by the extension bracket shall not be less than DN700. The extension bracket can be installed by the V method and the Z method. Generally, the Z method is recommended for installation, so that the signal strength will be greater. Ultrasonic flow meters, like electromagnetic flow meters, are non-obstructive flow meters, which are suitable for flow monitoring of most pure liquids. Because they do not need to be broken, and the measurement and installation methods are simple, it has become a solution to a large class of flow monitoring problems. Strategies, especially in large-caliber flow measurement, have outstanding advantages.　　 non-contact measurement, no need to break the pipe installation, has become the biggest help for the wide application of ultrasonic flowmeter. It has unique advantages in the flow measurement of drinking water, river water, sea water, ground water, cooling water, high temperature water, sewage, lubricating oil and other media. On the other hand, through the transmitter output of the wall-mounted host, the ultrasonic flowmeter can convert the flow signal into a 4-20mA analog signal, accumulate pulse signal and digital signal output, which is used to realize the next level of host computer control.　　 The above is mainly to introduce the wall-mounted ultrasonic flowmeter to everyone. Kaidi is a manufacturer of wall-mounted ultrasonic flowmeters. Kaidi has an advantage in terms of cost performance. It has set up more than 20 offices across the country to provide services to customers around the clock.

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