Introduction: This article mainly describes some small details that the intelligent electromagnetic flowmeter needs to pay attention to during the installation process. The correct installation plays an important role in the accuracy and maintenance of the intelligent electromagnetic flowmeter.

1, pay attention to measuring fluid properties

Because the fluid has a certain conductivity and the conductivity must be evenly distributed on the fluid, the intelligent electromagnetic flowmeter sensor should be avoided in a place where the conductivity is not uniform (for example, when other fluids need to be added to the fluid, try to be Adding downstream of the sensor);

2, you need to pay attention to the requirements of the production site when installing

1) When metering the mixed liquid, it is required to be installed in a place where the mixed liquid does not separate;

When metering two-component liquids, avoid installing downstream of uneven mixing;

When measuring chemical liquids, it should be installed downstream of the reaction;

2) Try to avoid negative pressure in the pipeline;

3) Try to install on a pipe with less vibration;

4) Try to avoid large-scale electromechanical equipment in the vicinity of the intelligent electromagnetic flowmeter to avoid electromagnetic interference;

5) Try to install the sensor in a place that is easy to ground;

6) Try to avoid corrosive gas around the intelligent electromagnetic flowmeter;

7) , the installation environment humidity should be controlled as far as possible in the range of 10%~90% ;

8) Try to avoid long-term direct sunlight;

9) , avoid the leaching of rainwater, and do waterproof measures;

3, installation of straight pipe requirements

In order to achieve accurate metering of the intelligent electromagnetic flowmeter, the sensor also needs to meet certain straight pipe requirements, but it is relatively low and will not be as high as the vortex flowmeter . For details, refer to the following table:

4, intelligent electromagnetic flowmeter sensor installation location considerations

The installation direction of the sensor can be installed horizontally, vertically and obliquely. When measuring the two-phase flow of solid and liquid, the sensor should be installed vertically as much as possible, because when the fluid flows from bottom to top, the wear of the lining can be effectively avoided.

5, sensor grounding

The sensor of the intelligent electromagnetic flowmeter must be grounded, and the grounding resistance should be below 100Ω . If the sensor is installed on the corrosive pipeline of the cathode, in addition to the grounding, a 16mm2 copper wire is required, and the sensor is connected to the flange on both sides. To isolate the cathode current from the sensor

Summary: Although the installation precautions of the intelligent electromagnetic flowmeter are cumbersome, the above points can be noted during installation to avoid various faults in the later operation .

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