LD – Electromagnetic Type Flow Meter
The LD Electromagnetic Flow Meter (also known as a magnetic flow meter or mag meter) is engineered for accurate and reliable flow measurement of conductive liquids in closed pipelines. Using electromagnetic flow measurement technology with no moving parts, this maintenance-free inductive flow meter ensures high precision, long-term stability, and minimal pressure loss.
Ideal for a range of industrial applications, the LD magnetic type flow meter supports precise monitoring and control in water treatment, agriculture, food and beverage, paper production, and pharmaceutical processes—helping to optimize system performance and ensure compliance.
Applications
✔ Water Management – Accurate flow monitoring for municipal and industrial water supply systems using electromagnetic meters.
✔ Paper & Mining – Reliable measurement of pulp, slurries, and process water using magnetic inductive flow meters.
✔ Food & Beverage – Hygienic, contactless flow monitoring for dairy, brewing, and beverage production.
✔ Agriculture Irrigation – Efficient water use in irrigation networks with electromagnetic flow transmitters.
✔ Wastewater Treatment – Trusted mag meter flow meter for monitoring treated and untreated wastewater in compliance with regulations.
Description
The LD Electromagnetic Flow Meter, also known as a magnetic flow meter or mag meter, is a high-precision instrument engineered for accurate electromagnetic flow measurement in closed pipelines transporting conductive liquids. Using magnetic induction technology, this electromagnetic flow meter delivers reliable and stable volume flow readings without pressure loss or mechanical wear.
Designed for a wide range of industrial applications, including chemical processing, petroleum, metallurgy, water and wastewater management, agriculture irrigation, paper production, and pharmaceutical manufacturing, the LD magnetic type flow meter ensures consistent performance and control even in demanding environments.
With no moving parts, the LD electromagnetic flow transmitter offers a low-maintenance, non-intrusive solution for long-term flow monitoring. Its robust construction and compatibility with various digital communication protocols make it ideal for industrial flow control systems that require accuracy, durability, and real-time data transmission.
Features
✅ Maintenance-Free Operation – This electromagnetic flow meter features a non-intrusive, magnetic inductive flow measurement system with no moving parts, reducing wear and minimizing service requirements.
✅ Broad Measurement Range – Compatible with pipe sizes up to DN2000mm, the mag meter flow meter can be customized to fit diverse industrial flow applications.
✅ High Accuracy and Stability – Offers ±0.5–1% accuracy, unaffected by changes in fluid density, viscosity, temperature, or pressure, ensuring dependable electromagnetic flow measurement.
✅ Corrosion-Resistant Construction – Built with chemically resistant lining and electrodes, this magnetic flow transmitter can handle acids, alkalis, slurries, and other corrosive conductive fluids in industrial environments.
✅ Advanced Signal Processing – Utilizes low-frequency rectangular wave excitation to reduce electrical noise and achieve stable and accurate readings, even in challenging conditions.
✅ Bi-Directional Flow Monitoring – This electromagnetic meter accurately measures flow in both directions, making it ideal for water, wastewater, and industrial process control systems.
Specification
| DN size(mm) | 3, 6, 10, 15, 20, 25, 32, 40, 50, 65, 80, 100, 150, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000, 1200, 1400, 1600, 1800, 2000 |
| Maximum flow speed | 15m/s |
| Output signal | Analog output(0~10mA/4~20mA), frequency output,alarm output,pulse output |
| Power Supply | AC220V 50HZ/DC24V/DC12V/3.3V battery power supply |
| Digital communication | Optional RS232C or RS485 serial communication interface, HART communication protocol |
| Accuracy | 0.5% |
| IP rating | IP65 standard
IP68 by customized for the transmitter of the separated versions only |
| Explosion-proof | Ex d ia [ia Ga] q IIC T6 Gb |
FAQ
Q1: What is an electromagnetic flow meter?
A: An electromagnetic flow meter, or mag meter, is a device that measures the flow rate of conductive liquids by using electromagnetic induction principles. It offers precise, non-intrusive flow measurement with no moving parts, making it highly reliable and low-maintenance.
Q2: How does the LD Electromagnetic Flow Meter work?
A: The LD Electromagnetic Flow Meter uses Faraday’s law of electromagnetic induction to detect the velocity of conductive fluids in closed pipelines. It converts this velocity into an electrical signal proportional to the flow rate, ensuring accurate and stable readings.
Q3: What industries use electromagnetic flow meters?
A: These flow meters are widely used in water and wastewater management, agriculture irrigation, food and beverage processing, paper production, chemical, pharmaceutical, and mining industries for reliable and precise flow measurement.
Q4: What are the advantages of using a magnetic flow meter?
A: Magnetic flow meters provide accurate measurements without pressure loss, have no moving parts to wear out, require minimal maintenance, and can measure a wide range of conductive fluids including corrosive and slurry liquids.
Q5: Can the LD Electromagnetic Flow Meter measure non-conductive liquids?
A: No, electromagnetic flow meters require the fluid to be conductive to generate an accurate measurement signal. Non-conductive liquids like oils and gases are not suitable for this type of flow meter.
Q6: What sizes and flow ranges are supported by the LD Electromagnetic Flow Meter?
A: The LD Electromagnetic Flow Meter supports pipe sizes from DN3 up to DN2000 mm and can accurately measure flow speeds up to 15 m/s, accommodating diverse industrial needs.
Q7: Is the LD Electromagnetic Flow Meter suitable for harsh environments?
A: Yes, it is designed with corrosion-resistant materials and an IP65 or higher protection rating, making it ideal for industrial and outdoor applications, including hazardous locations with explosion-proof options.
Datasheet
LD Electromagnetic Type Flow Meter Datasheet
