Treatment methods for common faults of ultrasonic flowmeters

Ultrasonic flowmeters are the same as electromagnetic flowmeters. Because the instrument flow channel is not equipped with any obstructions, they are all unobstructed flowmeters. They are a type of flowmeter suitable for solving difficult flow measurement problems, especially in large-diameter flow measurement. In recent years, it is one of the types of flowmeters that have developed rapidly. 1. The instantaneous flow rate of the ultrasonic flowmeter is greater than the actual value. The cause of this failure is generally due to the failure of the transducer sound wedge, and the transducer needs to be replaced. 2. The instantaneous and cumulative flow of ultrasonic flowmeters are different. The main reason for such failures is generally a problem with the host, which needs to be resolved by replacing the host. 3. The instantaneous flow rate of the ultrasonic flowmeter fluctuates greatly. The main reason for this failure is that the fluid is disturbed, causing its flow state to become unstable or the host does not set the damping coefficient to the specified range, making the value too small. . When dealing with such faults, the position of the transducer can be adjusted first. Second, the damping coefficient needs to be increased. 4. The ultrasonic flowmeter has no signal. The ultrasonic flowmeter has no signal, generally because the transducer is not effectively connected to the host. While processing, a new connection is required. The loss of signal may also be due to power pollution, and the power supply must be purified to solve the problem. In addition to the above reasons, changes in the position of the transducer will also cause the signal to be affected, and its position needs to be adjusted.

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