I. Overview: sub-body electromagnetic flowmeter is Huai 安科昊 Automation Engineering Co., Ltd. for the supply of water metering business enterprise specially designed with a waterproof, anti-corrosion, anti-jamming, the ability to lightning. Sub-body electromagnetic flowmeter is high accuracy, high reliability and long life flow meter, so the design of product structure, selection, formulation technology, manufacturing, assembly and factory testing process, every step we are very careful attention, but also design their own a set of China's most advanced, dedicated to the electromagnetic flowmeter production equipment and flow real flow calibration device, resulting in software and hardware, can effectively guarantee the long-term, high-quality products. Electromagnetic flowmeters specifically designed with a wide temperature range of Chinese backlit LCD display, functional and practical, intuitive display, easy operation, can reduce other electromagnetic flowmeter English menu inconvenience. In addition, we exclusively designed 4-6 multi-electrode structure, to further ensure the accuracy and any time without grounding rings, reducing the volume and the meter installation and maintenance trouble. Sub-body electromagnetic flowmeter specifically designed with a wide temperature range of Chinese backlit LCD display, functional and practical, intuitive display, easy operation, can reduce other electromagnetic flowmeter English menu inconvenience. Another 4-6 multi-electrode structure designed to further ensure the accuracy and any time without grounding rings, reducing the volume and the meter installation and maintenance trouble. Sub-body electromagnetic flowmeters to meet the live shows at the same time, you can also output 4 ~ 20mA current signal for the record, regulation and control, has been widely used in chemical industry, environmental protection, metallurgy, medicine, paper, water and other industrial technologies and management department. Using electromagnetic induction principle of measuring the dielectric fluid flow electromagnetic flowmeter. It added a magnetic field on both sides of the pipe, the measured medium flows through the pipeline on cutting magnetic field lines, generating EMF on two sensing electrodes, and its size is proportional to the velocity of the fluid. Can be used to measure the acid, alkali, salt solution, slurry, slurry, mortar, plaster, paper pulp, resin, rubber latex, synthetic fiber pulp and other photographic emulsion suspended solids, steam gasification and flow viscous material. Sub-body electromagnetic flowmeter good sealing performance, but also for water and sewer systems. And the measuring process is not in contact with the fluid, suitable for pharmaceutical, biochemical and food industries. This meter can also detect blood flow. It turndown ratio of about 100: 1, typically at 1% precision, since such sensors must be maintained in the pipe and measuring the resistance between a certain percentage of the circuit impedance, so there is a certain difficulty in the manufacturing. When the conductivity of the measured medium is about 10 ohm-cm began to create difficulties, difficulty arises when the principle of lower conductivity. When the conductivity of 10 ohm · cm, is reached, "boundary" between the conductive medium and the dielectric, and a significant increase in thermal noise level with the increase of internal resistance. Sub-body electromagnetic flowmeter is high accuracy, high reliability and long life flow meter, so the design of product structure, selection, formulation technology, manufacturing, assembly and factory testing process, every step we are very careful attention, but also design their own a set of China's most advanced, dedicated to the electromagnetic flowmeter production equipment and flow real flow calibration device, resulting in software and hardware, can effectively guarantee the long-term, high-quality products. Electromagnetic flowmeters specifically designed with a wide temperature range of Chinese backlit LCD display, functional and practical, intuitive display, easy operation, can reduce other electromagnetic flowmeter English menu inconvenience. In addition, we exclusively designed 4-6 multi-electrode structure, to further ensure the accuracy and any time without grounding rings, reducing the volume and the meter installation and maintenance trouble. Second, characteristics: 1, no moving parts inside the pipe, unimpeded flow of parts, measuring almost no additional pressure loss. 2, measurements and velocity distribution, the physical parameters of fluid pressure, temperature, density, viscosity and the like. 3, in the field can be modified online range according to the actual needs. Third, it works: sub-body electromagnetic flowmeter working principle is based on Faraday's law of electromagnetic induction. In the electromagnetic flowmeter, the conductive medium in the measuring tube conducting the test is equivalent to the Faraday rods of the two upper and lower ends of the electromagnetic coil generates a constant magnetic field. When a conductive medium flows, the induced voltage is generated. Two electrodes inside the pipeline induced voltage measurements generated. The measuring pipe through a non-conductive lining (rubber, Teflon, etc.) with the fluid and the measuring electrodes to achieve electromagnetic isolation. Fourth, the construction and use: a device by electromagnetic flowmeter and the secondary device component, according to a combination of device and the secondary device in the form of a flow meter can be divided into sub-body and a body; flowmeter for measuring the volume flow of conductive liquid .