Selection of installation location of flowmeter sensor

Selection of the installation position of the flowmeter sensor 1) The installation location of the flowmeter should be far away from interference sources that can cause mechanical vibration of the pipeline, such as pumps on the process pipeline. If the sensors are used in series on the same pipeline, the mutual influence due to resonance should be especially prevented, and the distance between the sensors should be at least three times greater than the width of the external dimensions of the sensors. 2) The installation position of the sensor should pay attention to the expansion and deformation of the process pipeline due to temperature changes, especially it should not be installed near the expansion joint of the process pipeline. If it is installed near the expansion joint, the zero point of the sensor will change due to the lateral stress caused by the expansion and contraction of the pipe, which will affect the measurement accuracy. 3) The installation position of the sensor should be far away from industrial electromagnetic interference sources, such as high-power motors, transformers, etc., otherwise the self-resonant vibration of the measuring tube in the sensor will be disturbed, and the weak signal detected by the speed sensor may be submerged in the noise of electromagnetic interference middle. The sensor should be far away from the transformer and motor at least 5 meters away. 4) The installation position of the sensor of the flowmeter should ensure that the fluid in the pipeline is always filled with the sensor measuring tube and has a certain pressure, which requires that the installation position should be at the low end of the pipeline.

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