Product principle and characteristics of sewage flowmeter

The working principle of the sewage flowmeter is based on Faraday's law of electromagnetic induction. Its sensor adopts non-uniform magnetic field technology and special magnetic circuit structure, and the magnetic field is stable and reliable. The medium that can be measured by the sewage flow meter is quite special. In addition to some basic raw water, cooling water, sewage, it can measure the flow of mud, coal slurry, acid, salt solution, fiber slurry, lime milk, hydrogen peroxide, etc., so as to achieve better The purpose of control. Here I will introduce to you the unique selling points of sewage flow meters: 　　 1. The most important part of the sensor-the coil, is optimized for design, and the most stringent actual flow test is passed to ensure the measurement accuracy of the product. 2. Signal electrode Perform a thorough electrostatic shielding process to ensure that small signals will not be interfered by the coil, and to ensure the measurement accuracy of low flow rates. 3. The coil is isolated from the outside world to ensure the long-term insulation strength of the coil, which also ensures the long-term measurement accuracy of the sensor. 4. Sensor All welding processes use argon arc welding technology, although the cost is high, but it can ensure the reliability of welding (welding is the most important production process of the sensor), especially the last welding process after the coil is installed, using argon arc welding The process can ensure that the installed coil is not damaged. 5. The ground electrode structure is used to form a balanced electrode plane to ensure that the entire process of measuring the average speed is limited to the balance electrode plane, which can well eliminate electrical noise interference. Provide accurate measurement results 6. Use customized double-layer shielded cables 7. Programmable frequency low-frequency rectangular wave excitation, improve the stability of flow measurement, low power loss 8. Special medium measurement (such as slurry) uses high-frequency excitation to eliminate Clutter interference 9. 16-bit embedded microprocessor, fast calculation speed, high precision 10. All digital processing, strong anti-interference ability, reliable measurement, high precision 11. Ultra-low EMI switching power supply, suitable for a wide range of power supply voltage changes, Good anti-EMC performance 12. Use a single circuit board to complete all functional design, using SMD devices and surface mount SMT technology, high circuit reliability 13. High-definition backlight Chinese LCD display, display cumulative flow, instantaneous flow, flow rate, flow rate Percentage, etc. 14. Menu operation, easy to use, simple to operate, easy to learn and understand 15. Two-way measurement system, with three internal totalizers that can respectively display the forward cumulative amount, the reverse cumulative amount and the difference cumulative amount 16. Has Self-check and self-diagnosis function, and display on the screen 17. Lightning protection design The above knowledge about sewage flow meter is only a rough guide, please consult our technical staff for more knowledge of sewage flow meter.

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