Which flow meter is better for measuring water?

Summary: Which flow meter is better for measuring water? The information is provided to you by the excellent manufacturers of flowmeters and flowmeters. Water is an indispensable living resource in our lives, and it is also an indispensable water resource for all enterprises. There are many types of the same water, such as sewage, tap water, ammonia water, fire water, air conditioning water, circulating water, hot water, cooling water, waste water, irrigation water, mineral water, etc. use. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. Which of the following flowmeters is more suitable for measuring water? Article details. Water is the most common liquid medium. When we are selecting a liquid level meter, the first factor to consider is the type of medium, and electromagnetic flowmeters are the most commonly used flowmeters for water flow measurement. Water is an indispensable living resource in our lives, and it is also an indispensable water resource for all enterprises. There are many types of the same water, such as industrial and domestic sewage, civil tap water, industrial ammonia water, fire water, air conditioning water, industrial circulating water, hot water, cooling water, chemical wastewater, agricultural irrigation water, mineral water, etc. Users should ask which flowmeter is better for so many different waters. At present, electromagnetic flowmeters are widely used to measure water flow and are excellent flowmeter products for measuring water flow. Electromagnetic flowmeters are also widely used to measure water. In the practical application of water measurement engineering, the electromagnetic flowmeter can operate normally and measure accurately, and the correct installation and grounding is an extremely important link. 1. The importance of grounding Since the electromagnetic flowmeter measures weak potentials, it is necessary to eliminate all external interference to accurately measure, so good grounding is a necessary condition to ensure the stable operation of the tap water flowmeter. Typically, grounding is accomplished through a grounding ring in the sensor or the ground connection of the internal electrode to the piping system. 1. When the electromagnetic flowmeter is installed on a grounded metal pipe, the system potential balance is achieved through the grounding terminal on the tap water flowmeter transmitter, that is, the copper core wire with a cross-sectional area of ​​not less than 6mm2 is connected to the grounding terminal. 2. When the electromagnetic flowmeter is installed on an ungrounded metal pipe, the two flanges are connected to the pipe flange and grounded through a copper core wire with a cross-sectional area of ​​at least 6mm2; connect the transmitter or sensor junction box to ground terminals to achieve system potential balance. 3. When the electromagnetic flowmeter is installed on a plastic pipe or a pipe with an insulating lining, the potential balance of the system is achieved by adding a grounding ring, which is connected to the grounding terminal through a copper core wire with a cross-sectional area of ​​at least 6mm2. 4. If the site environment is special, you can ask the manufacturer to order three electrodes, one of which is a grounding electrode, so that the grounding can be realized directly from the inside of the pipeline. Second, the different water demands of the straight pipe section In order to ensure the normal operation of the electromagnetic flowmeter and reduce the measurement error, the electromagnetic flowmeter should meet certain straight pipe requirements before and after. According to the test standard requirements of JJG 1033-2007 'Electromagnetic Flowmeter Verification Regulations', usually the front straight pipe section should reach 10 days, and the rear straight pipe section should reach 5 days; The pipe section shall be no less than 5 days, and the straight pipe section shall be no less than 3 days. 3. Precautions for installation positions on different flowing water Generally speaking, the following points should be paid special attention to when designing electromagnetic flowmeters: 1. The electromagnetic flowmeter should be installed in a position where the measuring conduit can be filled with liquid at any time to prevent the lack of liquid in the measuring conduit. This creates the illusion that the pointer is not at zero. Preferably, it is mounted vertically to reduce errors caused by air bubbles created on the electrodes as the liquid flows through the electrodes. 2. When gas accumulation or bubbles appear in the measuring tube of the electromagnetic flowmeter, the measurement error will increase, so it is necessary to avoid installing the sensor of the electromagnetic flowmeter at the high point of the pipeline. 3. The water flows automatically, so it is correct to install the water inlet vertically from bottom to top. If it is wrong from bottom to top, it will not only be dissatisfied with the pipeline, but also seriously affect the water metering accuracy. 4. The comparison quality between correct installation and wrong installation is the premise, installation is the key, and preventive measures are the guarantee. We use comparison to make it feel more intuitive for users. The measurement of electromagnetic flowmeters in the field of water flow has been widely recognized by the market. The selection of high-quality brands is a guarantee for the long-term operation of water flow measurement. We have been focusing on the electromagnetic flowmeter industry for more than ten years and are your trusted flowmeter supplier. , and look forward to serving you in the field of water flow and other liquid gas medium flow measurement. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Which flow meter is better for measuring water? 》

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