Proper installation and debugging of electromagnetic flow meters are key steps to ensure their normal operation, involving multiple aspects such as preparation before installation.
Proper installation and debugging of electromagnetic flow meters are key steps to ensure their normal operation, involving multiple aspects such as preparation before installation, installation steps, debugging, and calibration. Here are some key steps and precautions:
Preparation before installation:
Assess the on-site environment to ensure that the installation location meets the operational requirements of the electromagnetic flowmeter, including pipeline conditions, fluid conditions, and environmental conditions.
The pipeline should be installed on horizontal or vertical pipelines, avoiding installation at bends, forks, or reduced diameters of the pipeline.
The fluid should have a certain conductivity and should not contain a large number of impurities such as bubbles, solid particles, or fibers.
The installation environment should be kept away from strong magnetic fields, vibration free, and non corrosive gases.
Installation steps:
Install flanges: Install flanges that match the electromagnetic flowmeter flange on the pipeline to ensure good sealing between the flanges.
Installation of electromagnetic flowmeter: Install the electromagnetic flowmeter between the flanges, ensuring that the flowmeter is perpendicular or horizontal to the pipeline axis, and avoiding excessive impact or vibration.
Connecting cables: According to the wiring requirements of the electromagnetic flowmeter, connect the cables and power lines, and pay attention to the protection level of the cables, which should meet the requirements of the on-site environment.
Grounding treatment: To ensure the safe operation of the electromagnetic flowmeter, grounding treatment is required. The grounding resistance should be less than 10 Ω and avoid mixing with the grounding wires of other equipment.
Debugging and Calibration:
Power on inspection: Before powering on, check if the cable connections are correct and secure, and confirm if the power supply voltage meets the requirements. After powering on, observe whether the electromagnetic flowmeter is working properly and check whether the instrument display is normal.
Zero point calibration: Perform zero point calibration on the electromagnetic flowmeter in a static fluid state to ensure that the flowmeter outputs zero in a no flow state.
Full range calibration: In the full range state of the fluid, perform full range calibration on the electromagnetic flowmeter by adjusting the internal parameters of the flowmeter to make its output match the actual flow rate.
Repeatability test: Measure the same flow value multiple times under the same conditions to observe whether the electromagnetic flowmeter has good repeatability.
By following the above steps and precautions, the correct installation and debugging of the electromagnetic flowmeter can be ensured, thereby ensuring the accuracy and reliability of the measurement.
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Supmea Co., Ltd. is a national high-tech enterprise engaged in the research and development, manufacturing, sales, and service of process automation instruments. Professional production of Magnetic flowmeter, Magmeter flow meter, Vortex flowmeter, Turbine flowmeter, Ultrasonic flowmeter, and Thermal mass flowmeter.
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