How to install the V-method ultrasonic flowmeter with external clamp?

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1. What are the specific advantages and disadvantages of external clamping ultrasonic flow meters?

Ultrasonic flow meters can generally be divided into three parts: on-site sensors (i.e. probes), transmission cables, and display hosts.. Its sensors include external clamp type, plug-in type, and French blue type (i.e. pipe section type), and the display host is divided into fixed and portable types. The portable host can be equipped with external clamp type sensors for comparison (on-site calibration) of fixed online ultrasonic flow meters, and the installation is very simple. The sensor of external clamping ultrasonic flowmeter Menghui - during installation, the intended installation position on the outer wall of the pipe needs to be polished smooth, and then the sensor (probe) should be attached to the outer wall of the pipe with coupling agent and fixed with a special clamping device. This method can conveniently measure water flow outside the pipe and is also suitable for portability. The disadvantage is that improper handling of the coupling agent can easily cause the signal reception state to deteriorate and affect the stability of the measurement. The fixed external clamp ultrasonic flowmeter is widely praised in the market for its accuracy, stability, and easy operation. It is commonly used for measuring the flow rate of large pipelines, and is easy to use. Simply clamp the sensor on the pipeline in the prescribed way to measure without breaking the pipeline, and the measurement accuracy is relatively accurate. The sensor probe with IP68 protection has a longer service life and can work stably without replacing the drain within 5-6 years. The external clamp type ultrasonic flowmeter requires high i

Ultrasonic flowmeter external clamp type

nstallation personnel, and the installation level directly affects the measurement accuracy. In the future, there will be a lot of maintenance work, and after long-term operation, the coupling agent will fail or the sensor position will change, which will affect the measurement and require regular maintenance. （1） Before installing the external clamp ultrasonic flowmeter, it is necessary to understand the on-site situation, including: 1. What is the distance between the sensor installation location and the host; 2. Pipeline material, wall thickness, and diameter; 3. Pipeline lifespan; 4. Fluid type, presence of impurities, bubbles, and whether the pipe is full; 5. Fluid temperature; (Inserted sensor pipeline pressure) 6. Is there any interference source at the installation site (such as frequency converter, high-voltage cable field, etc.); 7. Temperature at the host placement location throughout the four seasons; 8. Whether the power supply voltage used is stable; 9. Whether remote transmission signals are needed and their types; Based on the on-site situation provided above, the manufacturer can configure according to the on-site situation and, if necessary, can also customize the model. （2） The selection of installation location and installation pipe section for external clamping ultrasonic flowmeter has a significant impact on testing accuracy. The selected pipe section should avoid interference and eddy currents, which have a significant impact on measurement accuracy. Generally, the selection of pipe section should meet the following conditions:

1. Avoid installing the machine in areas with strong magnetic fields and vibration interference such as water pumps, high-power radio stations, and frequency converter

How to install the V-method ultrasonic flowmeter with external clamp?

1. What are the specific advantages and disadvantages of external clamping ultrasonic flow meters?

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