General considerations for the use of electromagnetic flowmeters Liquids should have the required conductivity for measurement and require a substantially uniform conductivity distribution. Therefore, the flow sensor should be installed so as to avoid places where conductivity is not easily generated. For example, liquid medicine is added near the upstream of the sensor, and the liquid addition point is preferably located downstream of the sensor. When a glass rotameter is used, the sensor tube must be filled with liquid. When mixed, their distribution should be generally uniform. The liquid should be at the same potential as ground and must be grounded. If the process piping is made of plastics and other insulating materials, the transport liquid generates friction and static electricity and other causes, resulting in a potential difference between the liquid and the ground.
How to deal with electromagnetic flowmeters when measuring signals are not received or the signal is too weak? If the pipe is too close to the wall, the probe can be installed at a pipe diameter with an oblique angle instead of being installed on a horizontal pipe diameter. The installation of the electromagnetic flowmeter requires the Z method to install the probe. Verify that the tubing is full of fluid.
Electromagnetic flowmeters have no moving parts and no flow blockers. They will not cause pressure loss, and they will not cause problems such as wear and blockage. The electromagnetic flowmeter is a volumetric flow measuring instrument that is not affected by the temperature, viscosity, density, and conductivity of the measured medium during the measurement process. The electromagnetic flowmeter has no mechanical inertia and reacts sensitively. It can measure instantaneous pulsating flow and has good linearity. Therefore, the measurement signal can be directly converted into a standard signal output by the converter. Carefully select the dense part of the pipe and polish the light enough, apply a sufficient coupling agent to install the probe; carefully move each probe carefully near the mounting point to find the maximum signal point, and the glass rotor flowmeter prevents fouling due to the inner wall of the pipe or Because the local deformation of the pipe causes the ultrasonic beam to reflect out of the expected area and miss the installation point that can receive a stronger signal; the metal pipe with serious fouling of the inner wall can use the hitting method to make the scaling part fall off or crack, but it should be noted that This method sometimes does not help the transmission of ultrasonic wave because of the gap between the scale and the inner wall.
How to deal with electromagnetic flowmeters when measuring signals are not received or the signal is too weak? If the pipe is too close to the wall, the probe can be installed at a pipe diameter with an oblique angle instead of being installed on a horizontal pipe diameter. The installation of the electromagnetic flowmeter requires the Z method to install the probe. Verify that the tubing is full of fluid.
Electromagnetic flowmeters have no moving parts and no flow blockers. They will not cause pressure loss, and they will not cause problems such as wear and blockage. The electromagnetic flowmeter is a volumetric flow measuring instrument that is not affected by the temperature, viscosity, density, and conductivity of the measured medium during the measurement process. The electromagnetic flowmeter has no mechanical inertia and reacts sensitively. It can measure instantaneous pulsating flow and has good linearity. Therefore, the measurement signal can be directly converted into a standard signal output by the converter. Carefully select the dense part of the pipe and polish the light enough, apply a sufficient coupling agent to install the probe; carefully move each probe carefully near the mounting point to find the maximum signal point, and the glass rotor flowmeter prevents fouling due to the inner wall of the pipe or Because the local deformation of the pipe causes the ultrasonic beam to reflect out of the expected area and miss the installation point that can receive a stronger signal; the metal pipe with serious fouling of the inner wall can use the hitting method to make the scaling part fall off or crack, but it should be noted that This method sometimes does not help the transmission of ultrasonic wave because of the gap between the scale and the inner wall.
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