Corrosion resistant electromagnetic flowmeter | How to choose electrode materials for electromagnetic flowmeter

『Anti corrosion electromagnetic flowmeter』Related information(clamp on meter|electromagnetic meter|venturi meterrotameter|orifice meter|ultrasonic flow meter|mass flow meter|coriolis mass flow meter|coriolis flow meter|magnetic flow meter|magmeter flow meter|magflow flow meter|mag meter flow meter|electromagnetic flow meter|vortex flow meter|turbine flow meter|thermal mass flow meter|thermal flow meter|rotameter flow meter)

1. Box type ultrasonic open channel flowmeter

2. Strong acid resistant flowmeter

Strong acid depends on the specific acid, and an electromagnetic flowmeter is used with acid resistant electrodes. The strong acid electromagnetic flowmeter Shanghai Menghui adopts the worlds latest technology. By using constant current low-frequency ternary rectangular waves or dual frequency rectangular waves for excitation, it not only has the advantages of rectangular wave magnetic fields, but also overcomes the disadvantages of sine wave magnetic fields; It can also eliminate errors caused by fluctuations in power supply voltage, changes in power supply frequency, and changes in excitation coil impedance; And it has excellent zero stability and is not affected by fluid noise interference. Therefore, it has the characteristics of high stability and high reliability. The measurement principle of strong acid electromagnetic flowmeter Shanghai Menghui is based on Faradays law of electromagnetic induction. The intelligent anti-corrosion electromagnetic flowmeter consists of a sensor and a converter. The sensor is installed on the measurement pipeline, and the converter can be combined and connected with the sensor to form an integrated electromagnetic flowmeter. The converter is installed within 30 meters or 100 meters from the sensor, and is connected by a shielded cable to form a separate electromagnetic flowmeter. The main components of the intelligent anti-corrosion electromagnetic flowmeter sensor are: measuring tube, electrode, excitation coil, iron core, and magnetic yoke housing. The intelligent anti-corrosion electromagnetic flowmeter Shanghai Menghui is mainly used to measure the volumetric flow rate of conductiv

2、 There are no obstructed flow components inside the measuring tube, no pressure or weight loss, and the requirements for the straight pipe section are relatively low;

3、 Series nominal diameter DN15~DN3000. There are multiple options for sensor lining and electrode materials;

4、 The converter adopts a novel excitation method for attitude detection, with low power consumption, stable zero point, and high accuracy. The volume range of the flow chamber can reach 1500:1;

5、 The converter can be integrated or separated from the sensor;

3. How to choose electrode materials for electromagnetic flow meters

The selection of electrode materials for electromagnetic flow meters needs to be matched based on the chemical corrosiveness, temperature, pressure and other working conditions of the measured liquid, combined with the corrosion resistance of the material. If necessary, it needs to be verified through experiments.

First, the selection principle prioritizes corrosion resistance. Electrode materials should be stable in the measurement environment for a long time to avoid measurement errors or instrument damage caused by corrosion. Please refer to the anti-corrosion manual or material corrosion data sheet to clarify the chemical stability of the material to the tested medium. The adaptability of working conditions needs to consider factors such as medium temperature, pressure,

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