How does an electromagnetic flow meter work?

An electromagnetic flow meter operates based on Faraday’s Law of electromagnetic induction. It generates a magnetic field across a conductive fluid flowing through a pipe, inducing a voltage proportional to the flow velocity. Electrodes mounted on the pipe walls detect this voltage, which is then processed to calculate the volumetric flow rate.

What are typical applications for electromagnetic flow meters?

These meters are widely used in water treatment, wastewater management, chemical processing, food and beverage production, and pharmaceuticals. They are ideal for conductive liquids like water, slurries, or corrosive fluids but are unsuitable for non-conductive media like oils or gases.

What advantages do electromagnetic flow meters offer over other types?

They have no moving parts, reducing wear and maintenance. They provide high accuracy, bidirectional flow measurement, and minimal pressure drop. Their design accommodates corrosive or abrasive fluids, and they are available in various sizes to fit diverse pipe diameters.

What limitations should users consider with electromagnetic flow meters?

The fluid must have minimal electrical conductivity (typically >5 μS/cm) for accurate measurement. They require a fully filled pipe and specific installation conditions, such as straight pipe sections upstream and downstream, to avoid flow disturbances. Non-conductive fluids or gases cannot be measured.

How should electromagnetic flow meters be maintained?

Maintenance is generally low due to the lack of moving parts. Regular checks include inspecting electrodes for fouling or coating, ensuring proper grounding, and verifying the integrity of the magnetic field. Periodic calibration and cleaning may be needed to sustain accuracy, especially in dirty or corrosive applications.

#No.1 Electromagnetic Flow Meter Manufacturer

Name: Electromagnetic Flow Meter Manufacturer
Brand: Creative Engineers
Rating: 4.8 (32 reviews)

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Electromagnetic Flow Meter Manufacturer

Are you looking for an electromagnetic flow meter manufacturer, supplier, and exporter in Ahmedabad, India? Creative Engineers is your top choice. We specialize in manufacturing high-quality electromagnetic flow meters engineered for precise and efficient measurements across diverse industries. Our cutting-edge technology guarantees exceptional accuracy, durability, and minimal maintenance, making us a trusted name in the industry. Ideal for water, wastewater, and various industrial applications, our solutions are designed to excel in any environment.

Electromagnetic Flow Meter Applications:

Water Supply Networks, Chemical, Petrochemical and Process Industries (Only Conductive Liquids)
Pharmaceutical Industries / Paper and pulp Industries / Fertilizer Industries / Beverage Industries
Waste - Water management , Sugar, Food, Drug and Beverages Industries
Effluent Treatment Plants, Aluminum, Steel, Mining and Dredging Industries

Electromagnetic Flow Meter Specifications:

Suitable for pipe sizes : DN 10 to DN 2000
Media Conductivity (Min) : 10 us / cm (Consult factory for 5 us/cm)
Media Pressure: PN 40 up to DN 80, PN 16 upto DN 200 & PN 10 up to DN 600
Media Temperature (PTFE) : 0"-180c with remote transmitter
0"-120c with integral transmitter
0"-90c max for other Liners
Material : SS 316 (Non - Magnetic)
Liner : PTFE / Neoprene / Polyurethane
Electrode : SS / Hostelloy C / Ta / Ti / PL
End Connection / Flanges : Carbon steel / SS 304 / SS 316 / SS 316L
Coil Housing : Carbon steel / SS, Epoxy painted
Transmitter : Cast aluminum (Lm6), Epoxy painted
Power supply : 110 / 240 V AC + 15 % 50 Hz
Power consumption : 20 VA
Analog Output : 4-20 mA / DC / 0-20 mA DC
Communication port (Optional) : RS -23 / RS - 485 MODBUS RTU protocol
Response time : 5 second
Flow velocity Range : 0.3 to 10 m/s
Ingresss Protection : IP - 65 (IP 68 on request)
LED Display : 4 Digit Indication for flow rate and 8 digit indication for Totaliser programming from keyboard for engineering unit
Accuracy : 0.5 % of measured value (calibrated) at eference conditions
Accuracy : 2 % of span
For flow Between 0 to 100 % : Refer Error Diagram
Reference Conditions
Power Supply : Nominal
Ambient Temperature : 25 + 2c
Load Resistance : 500
Repeatability : + 0.2% of span
Effect of Ambient Temperature : Less then 0.2% per 10c
Effect of power supply : Less then 0.1% per
10% Voltage Variation
Effect of Load Resistance Less than 0.1% of span