Beijing Jiubo flowmeter | Jiubo flowmeter has records, but does not display data

『Beijing Jiubo flowmeter』Related information(clamp on meter|electromagnetic meter|venturi meterrotameter|orifice meter|ultrasonic flow meter|mass flow meter|coriolis mass flow meter|coriolis flow meter|magnetic flow meter|magmeter flow meter|magflow flow meter|mag meter flow meter|electromagnetic flow meter|vortex flow meter|turbine flow meter|thermal mass flow meter|thermal flow meter|rotameter flow meter)

What are the commonly used flow meters in chemical industry sites?

According to the widespread application of flow meters (in the market, cost-effectiveness is generally considered), the mainstream flow meters include the following:

1. Vortex flow meter: the most widely used, accurate, sensitive, and inexpensive, especially for steam flow. In recent years, the integrated vortex flow meter with voltage stabilization and compensation has almost become dominant, but its disadvantage is that it is not shock resistant;

2、 Electromagnetic flowmeter: used for conductive liquid materials and widely used in factories. It is corrosion-resistant, accurate, sensitive, and has a low failure rate. The disadvantage is that the price is still relatively high, especially for imported brands, which can easily cost over 10000 yuan;

3、 Spiral vortex flowmeter: Similar in appearance to vortex street, but with a different measurement principle. On a small diameter, it has a wide measurement range, better sensitivity than vortex street, weak seismic resistance, and cannot measure dirty media;

3、 Turbine flowmeter: For liquid turbines, the diameter can be made very small, sensitive, and inexpensive. The disadvantage is that the material must be very clean and tidy, and impurities can easily get stuck. It is best to add a Y filter;

4、 Metal rotor flowmeter: accurate, sensitive, intuitive, the disadvantage is that the material must be very clean and tidy, and this flowmeter is also not cheap;

5、 Differential pressure flowmeter: mainly includes orifice plate, Annubar, bent pipe, tail cone flowmeter, Venturi, nozzle, etc. The structure is complicated and requires differen

6、 Mass flow meter: It can be considered as an emerging type of flow meter. In the early days, it was only imported, but now the quality of domestic products is also very good. The measurement is sensitive, accurate, and can directly display the quality. The unit of measurement is Kg/h T/h, which is very popular among users. The disadvantage is that the price is too expensive;

7、 Open channel flowmeter: Bacher trough, nine wave flowmeter, triangular weir, etc., used to measure the sewage flow rate at the discharge outlet.

8、 Ultrasonic flowmeter: The pipeline does not need to be opened, the outer wall of the pipeline is polished clean and tidy, and ultrasonic macro wave generators and probes are clamped and installed on both sides for measurement. Installation and construction are easy, and it is generally used for measuring the flow rate of thicker pipelines. The accuracy is not very high and the price is also relatively expensive. For more information on knowledge points, please refer to the technical article on the website of Shandong Qiangsheng Automation Technology Co., Ltd.... http://www.qszdh.com/doc__0_0_1.html

2. What should I do if there is no signal for the calibration and echo of the Beijing Jiubo open channel flowmeter?

1. Firstly, there is a fault in the open face of the square source rock of the connecting cable (excitation circuit, signal circuit) system.

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