【Y2025】Should an electromagnetic flowmeter have its own separate grounding?
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The attachment is: whether a separate grounding connection is required for the electromagnetic flowmeter.
Text not part of the attachment, for reference only: When selecting an electromagnetic flowmeter, the following seven points should be taken into account: 1. Accuracy and functions: Choose an electromagnetic flowmeter with the appropriate accuracy level based on the measurement requirements, while also considering the desired functions such as two-way measurement and alarm capabilities.
Text not part of the attachment, for reference only: When selecting an electromagnetic flowmeter, the following seven points should be taken into account: 2. Flow rate and diameter: Determine the range of fluid flow rates and select an appropriate sensor diameter to ensure measurement accuracy.
Text not part of the attachment, for reference only: When selecting an electromagnetic flowmeter, the following seven key points should be considered: 3. Fluid properties: Take into account the fluid’s conductivity, corrosivity, wear resistance, and cleanliness in order to choose appropriate lining and electrode materials.
Text not part of the attachment, for reference only: When selecting an electromagnetic flowmeter, the following seven points should be taken into account: 4. Pressure and temperature: Choose an electromagnetic flowmeter with the appropriate pressure rating and temperature tolerance, based on the operating pressure of the pipeline system and the highest operating temperature of the fluid.
Text not part of the attachment, for reference only: When selecting an electromagnetic flowmeter, the following seven key points should be taken into account: 5. Installation conditions: Consider the pipe size, installation method, as well as requirements regarding grounding and shielding, to ensure the safe installation and operation of the electromagnetic flowmeter.
Text not part of the attachment, for reference only: When selecting an electromagnetic flowmeter, the following seven points should be taken into consideration: 6. Power supply and output: Determine the required power supply and type of output signal to meet the system’s requirements.
Text not part of the attachment, for reference: When selecting an electromagnetic flowmeter, the following seven points should be taken into account: 7. Compatibility and communication: Choose an electromagnetic flowmeter that supports the required communication protocols to ensure compatibility with the automated control system.
Text not part of the attachment, for reference only: Eight requirements for the installation of electromagnetic flowmeters: 1. Installation location and orientation: It can be installed vertically, horizontally, or at an angle, but it is necessary to ensure a full-bore condition; it is best for the fluid to flow through the instrument from bottom to top.
Text not part of the attachment, for reference only: Eight requirements for the installation of electromagnetic flowmeters: 2. Avoid magnetic field interference: The installation location should be kept away from all sources of magnetism, such as large motors, large transformers, and welding machines.
Text not part of the attachment, for reference only: Eight requirements for the installation of electromagnetic flowmeters: 3. Grounding requirements: The transmitter housing, shielded wires, measurement conduit, and the pipes at both ends must all be grounded, with separate grounding points provided.