How to better maintain the electromagnetic flow meter

Abstract: The information on how to better maintain the electromagnetic flowmeter is provided by the excellent flowmeter and flowmeter production and quotation manufacturers. What should we pay attention to when using electromagnetic flowmeter? Today, Chengfeng Instrument will make a simple explanation for everyone. I hope you will pay attention to the following points about the maintenance of the electromagnetic flowmeter: 1. Daily maintenance It is only necessary to perform periodic visual inspection and inspection of the instrument. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the article details on how to better maintain the electromagnetic flowmeter. What should we pay attention to when using electromagnetic flowmeter? Today, I will make a brief explanation for you. I hope you will pay attention to the following points about the maintenance of electromagnetic flowmeters: 1. For daily maintenance, you only need to perform periodic visual inspections of the instrument, check the surrounding environment of the instrument, sweep away dust, and ensure that no water and other Substances, check for good wiring, and check for newly installed strong electromagnetic field equipment near the meter or newly installed wires across the meter. If the measuring medium is easy to contaminate the electrode or deposit or scale in the measuring tube wall, it should be cleaned and cleaned regularly. 2. Sensor inspection Test steps: (1) When the lining is dry, use MΩInsulation resistance between A-C and B-C measured by the meter (should be greater than 200MΩ). Then use a multimeter to measure the resistance between terminals A and B and the two electrodes in the measuring tube (should be in a short-circuit connected state). If the insulation resistance is small, it means that the electrode is leaking, and the whole set of flowmeter should be returned to the factory for maintenance. If the insulation has decreased but there is still 50MΩThe above and the inspection result of step (1) is normal, it may be that the outer wall of the measuring tube is damp, and a hot air blower can be used to dry the inside of the casing. (2) When the pipeline is full of medium, use a multimeter to measure the resistance between terminals A, B and C, and the resistance between A-C and B-C should be as large as equal. If the difference is more than 1 times, it may be due to leakage of the electrode, condensation water adsorption on the outer wall of the measuring tube or in the junction box. 3. Troubleshooting When the flowmeter starts to be put into operation or it is found that the instrument is not working properly after a period of normal operation, you should first check the external conditions of the flowmeter, such as whether the power supply is good, whether the pipeline is leaking or is not full, and whether there are air bubbles in the pipeline. , Whether the signal cable is damaged, and whether the output signal of the converter (ie, the input circuit of the rear instrument) is open. Remember to blindly overhaul the flowmeter. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'How to better maintain the electromagnetic flow meter'
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