Advantages of using electromagnetic flowmeter.Electronic flowmeter types and working principle.A dependable meter may come with a higher upfront price but can lead to savings over time. Nagman offers RS-485, Pulse and 4-20mA as standard outputs.Ĭost and Long-Term Maintenance: Assess the initial cost, as well as ongoing maintenance and operational costs. Output and Integration: Determine the type of output signals required for your system (analog, digital, or both) and ensure compatibility with your control and monitoring systems. Choose a meter that can withstand these conditions. Regular calibration is essential to maintain accuracy.Įnvironmental Conditions: Account for factors such as temperature, pressure, and the potential presence of corrosive or abrasive substances in the fluid. opt for a meter that can cover your entire operational range.Īccuracy and Calibration: Examine the meter’s accuracy specifications and inquire about magnetic flow meter calibration services. Pipe Size and Material: Select a meter that matches the pipe size and material to guarantee proper installation and accurate measurements.įlow Rate Range: Consider the range of flow rates expected in your application. Typical minimum conductivity required is 20μS/cm, but Nagman also provides specialized meters capable of reading above 5μS/cm Ensure that the fluid being measured has adequate conductivity for precise readings. You can take a look the following below or consult our team of experts.įluid Conductivity: Electromagnetic flow meters are designed for conductive fluids. When selecting an Electromagnetic Flow Meter for your specific application, it’s imperative to take several factors into account. Pharmaceuticals: Vital for critical measurements in pharmaceutical production, these meters ensure precise quantities of active ingredients.Įnergy and Utilities: In power plants, magnetic flow meters measure cooling water and other process fluids, contributing to enhanced energy efficiency and process control.Ĭhoosing the Perfect Electromagnetic Flow Meter Mining and Slurries: Handling abrasive and dense slurries found in mining and mineral processing magnetic flow meters provide precise measurements even in challenging conditions. Pulp and Paper: In paper mills, these meters are crucial for measuring pulp consistency and monitoring liquid flow during paper production. Nagman also provides Hygienic Grade SS316L Electromagnetic Flow meters. Water and Wastewater Management: Water treatment plants rely extensively on magnetic flow meters to monitor the flow of potable water and wastewater, ensuring compliance with environmental regulations.Ĭhemical Processing: In the chemical industry, these flow meters measure the flow of corrosive or abrasive fluids, thanks to their non-intrusive design.įood and Beverage: The food and beverage industry benefits from the precision of magnetic flow meters, guaranteeing accurate ingredient dosing and quality control. These are a few of the common applications: Output and Display: The calculated flow rate is then showcased on the meter’s screen or transmitted as an output signal, typically in analog or digital formats, for further analysis or process control.Įlectromagnetic Flow Meters have carved a niche for themselves across a multitude of industries where accurate and reliable flow measurement is essential. By multiplying this velocity with the cross-sectional area of the pipe, it accurately determines the volumetric flow rate. Leveraging the known magnetic field strength and the induced voltage, the flow meter calculates the average fluid velocity. Voltage Measurement: The flow meter boasts electrodes, often constructed from non-corrosive materials such as stainless steel or titanium, which come into contact with the conductive fluid and measure the induced voltage.įlow Rate Calculation: The flow meter’s electronics gather and process the voltage measurements from the electrodes. This induced voltage, known as electromotive force (EMF), is directly proportional to the fluid’s velocity. Voltage Induction: As per Faraday’s Law, when the conductive fluid crosses magnetic field lines, a voltage is induced within the fluid. As the fluid flows perpendicular to the magnetic field lines, it intersects across the magnetic field. Magnetic Field Generation: A strong, constant magnetic field is generated within the flow meter’s measuring tube or pipe, typically achieved with coils or permanent magnets.įlow of Conductive Fluid: The conductive fluid to be measured is guided through the magnetic field. Here’s a step-by-step breakdown of how Electromagnetic Flow Meters operate:
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