Ultrasonic level gauge maintenance instructions

How to Troubleshoot and Repair Common Faults of Ultrasonic Level Gauges?
Like all equipment, ultrasonic level gauges have a limited lifespan and require proper care during operation. After long-term use, they may experience wear and tear, leading to various malfunctions. This article will guide you through the common issues that occur with ultrasonic level gauges and how to effectively maintain and repair them.

First, if the meter does not display any readings or is not functioning properly, check the power supply. Ensure that the DC24V power source is correctly connected and verify the wiring for any errors. A faulty power connection is one of the most common causes of non-operation.

Second, if the instrument shows a display but fails to measure the correct level, it could be due to misalignment with the liquid surface. In cases where the material surface is uneven, has a thick foam layer, or fluctuates significantly, the measurement accuracy can be affected. If the container is empty and the bottom is not flat, the gauge may not function properly. To resolve this, adjust the installation angle using a level tool, install a plastic tube in the container (as recommended in the installation section), or consider using a larger-range level gauge. Alternatively, other measurement methods may be more suitable in such situations.

Third, if the display is unstable or the measured values show significant deviations, it might be caused by several factors. These include the level entering the blind zone, unstable power supply, strong electromagnetic interference, or objects blocking the sound waves. Additionally, if the probe is in contact with metal surfaces or flanges, it can cause inaccurate readings. To address these issues, consider using a higher-performance level gauge, ensure a stable power supply, add shielding, or reposition the device. In some cases, placing a rubber mat between the probe and metal parts can help reduce interference.

At Huajiang Automation, we provide expert guidance and reliable instruments tailored to your specific needs. If you encounter any issues or have questions, our professional technicians are here to assist you. We hope this information helps you better understand and maintain your ultrasonic level gauge.

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