Zero point inspection and adjustment during maintenance of electromagnetic flow meter

Abstract: The information on zero point inspection and adjustment during maintenance of electromagnetic flowmeters is provided by excellent flowmeter and flowmeter manufacturers. After the electromagnetic flowmeter is energized, the zero point must be adjusted when the electromagnetic flow sensor is filled with liquid at rest. After being put into operation, it is also necessary to periodically stop the flow for zero-point inspection according to the conditions of use; especially before the electromagnetic flowmeter is put into operation for precipitation and easy-to-pollute electrodes. contains. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the details of the zero-point inspection and adjustment of the electromagnetic flowmeter meter maintenance. After the electromagnetic flowmeter is energized, the zero point must be adjusted when the electromagnetic flow sensor is full of liquid and still. After being put into operation, it is also necessary to periodically stop the flow for zero-point inspection according to the conditions of use; especially for precipitation and easy-to-pollute electrodes, before the electromagnetic flowmeter is put into operation. For non-cleaning liquids containing solid phase, more inspections should be carried out at the beginning of operation to obtain experience to determine the normal inspection cycle. Compared with the rectangular wave shock, the electromagnetic flowmeter of the AC excitation method is more prone to zero drift, so more attention should be paid to inspection and adjustment. The total flow of the poured grout is an important process parameter, giving two examples of application errors where the deposition layer failed. One is in oil drilling and cementing engineering. High pressure electromagnetic flowmeters are often used. The instrument is used intermittently. After use, rinse the sensor measuring tube with clean water, and the remaining time is empty. Due to the incomplete cleaning, the residual cement slurry on the inner wall of the measuring tube solidified into a thin layer, which accumulated to form an insulating layer in the past two months, covering the entire electrode surface, resulting in abnormal operation and eventually unable to work. The flow of saturated brine is controlled by electromagnetic flowmeter, and the other is on the electrolytic cutting process test device. After a period of intermittent use, it was found that the flow signal gradually weakened, and the signal became zero after 2 months. The reason is that iron oxide deposits on the tube wall during the electrolytic cutting process, resulting in a short circuit. Clear the stratification and return to normal immediately. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Zero point inspection and adjustment during maintenance of electromagnetic flow meter'

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