Electromagnetic flowmeter installation and commissioning precautions

1. Selection of installation location The installation location of the electromagnetic flowmeter should be selected at a location that can ensure measurement accuracy. Generally, it should be selected on a straight pipe section with stable water flow. At the same time, attention should also be paid to the uniform distribution of flow velocity in the pipeline and avoid installation at elbows.

2. Power supply wiring and grounding When wiring the power supply, avoid connecting it to high-voltage lines. At the same time, you need to pay attention to the correctness of the power wiring. During installation, you need to carefully check whether the power wiring is connected well and tightly to avoid loose wiring. Grounding is also an important guarantee for the normal use of the electromagnetic flowmeter. Therefore, you must pay attention to the correctness of the wiring during installation, and the cross-sectional area of ​​the wiring must also meet the requirements.

3. Clean the pipelines. Before installing the electromagnetic flowmeter, the pipelines need to be cleaned to ensure that there are no impurities and corrosive liquids in the pipelines.

4. Bubble elimination During the installation process of the electromagnetic flowmeter, bubble problems may also occur, so bubble elimination is required. You can turn on the switch of the electromagnetic flowmeter and turn it on and off several times to remove the bubbles.

5. Debugging phase In the debugging phase, zero point calibration needs to be performed first, that is, the reading is adjusted to zero in the absence of flow. Secondly, full point calibration is required, that is, adjusting the flow rate to the maximum value and performing calibration. During debugging, you can choose 4~20mA current simulation mode or HART communication mode for debugging.

6. Installation protection After installing the electromagnetic flowmeter, it needs to be protected to avoid the impact of the external environment, such as lightning protection, waterproofing, dustproof, etc. In short, the above are the key points to pay attention to when installing and debugging electromagnetic flowmeters. We hope that users can pay attention to the above details when using electromagnetic flowmeters to ensure the normal use of electromagnetic flowmeters.