Flange intelligent electromagnetic flow meter; Flange pipeline electromagnetic flow meter.

Flange-type Electromagnetic Flow Meter ★ The measuring tube contains no moving parts, which facilitates maintenance and management there are no flow restriction components, so there is no pressure loss. ★ The measured liquid conductivity ≥ 5μs/cm, combined with various lining, can be used to measure the flow rate of various acids, alkalis, salt solutions, and media such as mud, ore pulp, and paper pulp. The measurement of flow rate is not affected by changes in the density, viscosity, temperature, pressure, and conductivity of the fluid. The sensor induced voltage signal is linearly related to the flow velocity, and the measurement accuracy is high. ★ Proper selection of lining and electrode materials can achieve good corrosion resistance and wear resistance. Low-frequency rectangular wave excitation, not affected by the power frequency and various stray interferences on site, and operates stably and reliably. ★ Not affected by direction of the fluid, it can accurately measure in both forward and reverse directions. ★ Range ratio 1:120 (0.1m/s12m/s), the full range flow rate range is wide. ★ Chinese LCD backlight display, can be modified online, simple and convenient to. ★ It has the functions of empty pipe measurement and alarm, and can adapt to different fluid media. ★ Power-off time record function automatically records the time of power interruption of the instrument system, and calculates the missing flow. ★ Hour total record function, records the total flow in units of, suitable for time-sharing metering system.

Working principle According to Faraday's law of electromagnetic induction, a pair of sensing electrodes is installed on the pipe wall perpendicular to the axis the measuring pipe and the magnetic line of force. When the conductive fluid moves along the axis of the measuring pipe, the conductive fluid cuts the magnetic line of force to produce induced electromotive force, which is detected by the two sensing electrodes. The magnitude of the induced electromotive force is directly proportional to the flow rate, and its value is E=KBVD Where: E－Induced electromotive force; K－Coefficient related to the distribution of the magnetic field the axial length; B－Magnetic induction intensity; V－Average flow velocity of the conductive fluid; D－Electrode spacing; ( diameter of the measuring pipe).

Advantages of the product 1. The electromagnetic flowmeter sensor is simple in structure, with no moving parts inside the measuring pipe, and noling parts that impede the flow of the fluid; 2. It can measure the flow of dirty, corrosive, and suspended two-phase flows of liquid and solid 3. During the measurement process, it is not affected by the temperature, viscosity, density, and electrical conductivity (within a certain range) of the medium being measured; 4. The output of the electromagnetic flowmeter is only proportional to the average flow velocity of the medium being measured, and is independent of the flow state (laminar or) under symmetric distribution; 5. The electromagnetic flowmeter has no mechanical inertia, is sensitive to response, can measure instantaneous pulsating flow, and can also measure flow in positive and negative directions; 6. The range of pipe diameters that can be used with industrial electromagnetic flowmeters is wide.

Product selection 01. Measure the medium, temperature, and whether it is corrosive 02 Flow range and the inner diameter of the user's pipeline 03. Pressure class 04. Whether to display on site 05. Working power 06. Signal output, communication 07. Whether explosion-proof is required 08. Installation method 09. Accuracy class Application field The electromagnetic flowmeter is applied to: petroleum, chemical industry, steel, food, electricity, papermaking, metallurgy, water supply and drainage,rochemical, medical and other industries. One machine to meet a variety of industry flow measurement Installation precautions 1. No vibration, strong electromagnetic field (such as near large motors, frequency converters); 2. Try to install vertically, horizontal installation needs to be installed at a low place, can not at the pipeline vertex, to ensure full pipeline, to prevent air bubbles; 3. Requirements for straight pipe section, it is best to ensure 10 times the front 5 times the rear of the pipe diameter; 4. When installing the welding type, pay attention not to connect the instrument welding, to prevent damage to the flowmeter 5. The shell should be grounded as much as possible, the shielding line is grounded at one end, and the connection point cannot be grounded with strong electricity; 6. If for the convenience of maintenance, the installation position needs to be selected well to meet the maintenance requirements. At the same time, you can install a bypass pipe, and fluid will go through the bypass pipe when there is a fault; 7. Avoid direct sunlight, high temperature places, and do a good job of waterproofing and moisture- treatment; 8. Other requirements that should be considered, the signal line should not be installed together with the strong current line. The services we can provide product recommendation selection and quotation 1. Product customization 2. 7*24 hours, national service hotline 3. On-site guidance for installation Production process 01. Inspection of incoming flange and stainless steel pipe 02. Conduit processing (cutting welding) 03. Inspection 04. Conduit lining 05. Inspection 06. Electrode, coil processing assembly 07. Inspection 08. Welding of shell components 09. Inspection 10. Spraying 1. Inspection 12. Transducer/ junction box assembly 13. Inspection 14. Real flow calibration 15. Inspect before shipment 16. Packaging 17. Warehousing 18. Shipping The sensor senses the induced electromotive force as a flow signal, transmits it to the converter, amplifies, transforms, and filters it through a series of digital processing, and uses a backlit dot matrix LCD to the instantaneous flow and cumulative flow. The converter has 4-20 mA output, alarm output and frequency output, and is equipped with RS-485 and other interfaces, and supports HART and MODBUS protocols.

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