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Shenzhen Defeng Measurement and Control Technology Co., Ltd

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Introduction to DWM2000 Plug in Electromagnetic Flow Meter
Date: 2021-12-04Read: 17

The working principle of the plug-in electromagnetic flowmeter is based on Faraday's law of electromagnetic induction. In an electromagnetic flowmeter, the conductive medium inside the measuring tube is equivalent to a conductive metal rod in Faraday's test, and the two electromagnetic coils at the upper and lower ends generate a constant magnetic field. When a conductive medium flows through, an induced voltage is generated. The induced voltage generated by measuring the two electrodes inside the pipeline. The measuring pipeline achieves electromagnetic isolation from the fluid and measuring electrodes through non-conductive lining (rubber, Teflon, etc.).

Features:

Low frequency three value rectangular wave constant current excitation, not affected by power frequency and various stray interferences on site, works very stably and reliably.
Adopting a new technology of non-uniform magnetic field and a special magnetic structure, the magnetic field is stable and greatly reduces the volume and weight, making the flowmeter have the characteristics of small and lightweight
Adopting specialized electronic circuits with automatic zeroing function for air traffic control.
On site, the range can be modified online according to the actual needs of the user.
● No movable parts, no obstruction parts. There is almost no additional pressure loss during measurement.
The measurement results are independent of physical parameters such as flow velocity distribution, liquid pressure, temperature, density, viscosity, etc
● Easy to use, only need to connect the power supply after installation, no other operation is required, and standard signals can be output, which is convenient for non professionals to use

Application:

Power generation, cogeneration, and heating industries; Aviation, aerospace, shipbuilding, nuclear energy, and weapons industries; Mechanical, metallurgical, coal mining, and automobile manufacturing industries; Petroleum and chemical industries; Pharmaceutical, food, and tobacco manufacturing industries; Forest industry, agricultural reclamation, and light industry.