Electromagnetic flow meter installation site selection:
In order to make the electromagnetic flowmeter work stably and reliably, attention should be paid to the following requirements when selecting the installation site:
1. Try to avoid ferromagnetic objects and devices with strong electromagnetic fields (such as large motors, large transformers, etc.) in order to prevent the magnetic field from affecting the sensor's working magnetic field and flow signals.
2. Dry and ventilated areas should be installed as far as possible, and should not be installed in a place where it is likely to be wet and easy to accumulate water.
Electromagnetic Flowmeter Installation Requirements In order to properly measure, the following points should be noted when selecting the installation location on the pipeline:
1. The sensor can be installed either on a vertical pipe or on a horizontal or inclined pipe, but the center line of the two electrodes is required to be horizontal.
2. The medium should be fully flowed in the installation position to avoid dissatisfaction of the pipe and gas adsorption on the electrode.
3. When the flowmeter is installed in a position where the medium is not full, you can use the method of raising the back end of the flowmeter to make it full. It is forbidden to install the flowmeter at the highest point of the pipe and at the outlet.
4. The length of straight pipe before and after the flowmeter: ≥10DN in front and ≥5DN in back (DN is pipe diameter)
Flow meter installation location diagram Electromagnetic flowmeter wiring 1. Split type installation The signal cable connection is as short as possible;
2. Signal cables must be strictly separated from other power lines;
3. Do not roll the extra cables together. Cut the excess cables. When the cable enters the electrical interface of the sensor, it is U-shaped at the port to prevent rainwater from penetrating into the sensor.
Electromagnetic Flowmeter
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