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1. Is the instantaneous flow rate of ultrasonic flowmeters highly volatile? A. Large fluctuations in signal strength ； B. The fluid fluctuations themselves are large ； Solution: Adjust the probe position to increase the signal strength (keep it above 3) and ensure its stability. If the fluid has significant fluctuations, the current position is not suitable; select a new location to meet the requirements for the first 10D and the subsequent 5D periods. 2. Is the signal of the external clamp-type flow meter low? The pipe diameter is too large, the pipes are severely scaled, or the installation method chosen is incorrect. Solution: For pipes with excessive diameter and severe scaling, it is recommended to use an insert-type probe or opt for a “Z”-shaped installation. 3. Does the signal of the plug-in probe decrease after being used for a while? The probe may be misaligned or the scale on its surface may be thick. Solution: Readjust the position of the ultrasonic flowmeter probe and clean its transmitting surface. 4. No display when powered on: Check whether the power supply specifications match those specified for the instrument, and verify whether the fuse is blown. If none of these issues exist, it is recommended to send the instrument back to our company for inspection by professional technicians. 5. After powering on, the instrument has only a backlight but no characters displayed. This is usually due to a problem with the programming chip; it is recommended to send the instrument back to our company for processing. 6. Can ultrasonic flowmeters not be used in environments with strong field interference? The power supply voltage fluctuates significantly; there are frequency converters or strong magnetic field interference in the vicinity, and the grounding wire is incorrect. Solution: Provide a stable power supply to the instrument, install it away from frequency converters and strong magnetic field interference, and ensure it has a proper grounding wire. For more information, please visit the company’s official website at http://www.yb1518.com/. Please retain this link when reproducing the content! http://www.yb1518.com/UploadFiles/2015113102935175.jpg