How many types of ultrasonic flowmeters are there?

Types of Ultrasonic Flowmeters Ultrasonic flowmeters are divided into handheld ultrasonic flowmeters and portable ultrasonic flowmeters. Handheld ultrasonic flowmeters and portable ultrasonic flowmeters are directly attached to or directly installed on the outer wall of the pipeline without being affected by the medium. The installation is simple and fast. No need to cut off the technical pipeline, no technical parking, and no pressure loss, very suitable for measuring corrosive media and ultra-pure media. Users only need to input pipeline and medium parameters. You can also know the usage status according to the status display. Because the probe and cable armor are made of stainless steel, it is suitable for harsh industrial environments. It is especially suitable for flow measurement of drinking water, river water, sea water, cooling water, hot water, industrial sewage, lubricating oil, diesel oil, fuel chemical liquid.

The circuit design of the ultrasonic mud level meter selects high-quality power modules from the power supply part, and the components are imported high-stable and reliable components, which can be compared with the same type of instruments in the world. 1. With an intelligent echo curve, it can be judged from the echo curve whether there is an obstacle measured, whether there is electromagnetic interference, and whether there are multiple echoes. 2. The Chinese and English menus can be switched freely, and both domestic and foreign operators can understand them. 3. With a guide menu, you can complete the operation according to the guide menu without an instruction manual. 4. With sound velocity calibration function, it can also be measured correctly in pools where the sound velocity is different from that of clear water. 5. With a wide range, there are corresponding products for the measurement distance from 5 meters to 70 meters. Related knowledge: How to use a flowmeter to measure dry gas flow? Product Features of Ultrasonic Mud Level Meter

Scope of application of ultrasonic flowmeter Ultrasonic flowmeter has a non-contact surface, which is suitable for measuring fluids that are not easy to touch and observe, as well as large pipe diameters. It can be linked with the water level gauge to measure the flow of open water flow. Using ultrasonic flowmeter, there is no need to install measuring elements in the fluid, so the flow state of the fluid will not be changed, no additional resistance will be generated, and the installation and maintenance of the surface will not affect the operation of the production pipeline, so it is an ideal energy-saving flowmeter. The Doppler ultrasonic flowmeter can measure the flow of two-phase media, so it can be used to measure dirty flows such as sewers and sewage. In a power plant, it is much more convenient to use a portable ultrasonic flowmeter to measure the flow of large pipes such as the water intake of the water turbine and the circulating water of the steam turbine, compared with the past Pitt tube flowmeter. Ultrasonic flow rate can also be used for gas measurement. The applicable range of pipe diameter is from 2cm to 5m, and it is applicable from open channels and culverts with a width of several meters to rivers with a width of 500m.

The constraints encountered in the application of ultrasonic flowmeters are mainly that the temperature range of the measurable fluid is limited by the temperature resistance of the ultrasonic transducer aluminum and the coupling material between the transducer and the pipeline, and the original sound transmission velocity of the measured fluid at high temperatures. Incomplete data. At present, our country can only be used to measure fluids below 200 °C. In addition, the measurement circuit of the ultrasonic flowmeter is more complicated than that of the ordinary flowmeter. This is because, in general, the flow velocity of liquid in industrial metering is often several meters per second, and the propagation velocity of sound waves in liquid is about 1500m/s, and the change of the measured fluid flow velocity (flow rate) brings the maximum change in sound velocity is also 10- 3 orders of magnitude. If the accuracy of measuring the flow velocity is required to be 1%, the accuracy of the measurement of the velocity of sound needs to be on the order of 10-5 to 10-6, so it must have a complete measurement circuit to complete, which is why the ultrasonic flowmeter is only in the integrated circuit The reason why the ability can be practically used under the premise of the rapid development of technology.

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can be used in a wide variety of ways.