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SUP-LDG Electro Magnetic Flow Meter

SUP-LDG Electro Magnetic Flow Meter

As a professional electro magnetic flow meter supplier in China, we provides high-quality and durable electro magnetic flow meters for sale. You can wholesale and buy bulk flow meters here.


Electromagnetic flowmeters (EMF) is the 20th century 50 ~ 60 years with the development of electronic technology and the rapid development of new flow measurement instrument. Electromagnetic flowmeter is the application of electromagnetic induction principle, according to the conductive fluid through the applied magnetic field when the induction of electric potential to measure the flow of conductive fluid an instrument.

SUP-LDG electromagnetic flow meters are applicable to all conductive liquids. Typical applications are monitoring the accurate measurement, metering and custody transfer of liquids. It can display instantaneous and cumulative flow rate, support analog output, communication output and relay control function.


 Product  Electro Magnetic Flow Meter
 Model  SUP-LDG
 Diameter Nominal  DN15~DN1000

 Nominal Pressure

 DN6 - DN80, PN<4.0MPa
 DN100 - DN150, PN<1.6MPa
 DN200 – DN1000, PN<1.0MPa
 DN1200 – DN2000, PN<0.6MPa
 Accuracy  ±0.5%,±2mm/s(flowrate<1m/s)
 Repetitiveness   0.15%
 Liner Material  PFA, F46, Neoprene, PTFE, FEP
 Electrode Material  Stainless steel SUS316, Hastelloy C, Titanium,
 Tantalum, Platinum-iridium
 Medium Temperature  Integral type: -10℃~80℃
 Split type: -25℃~180℃
 Power Supply  100-240VAC,50/60Hz / 22VDC—26VDC
 Electrical Conductivity  Water 20μS/cm other medium 5μS/cm
 Ingress Protection  IP65, IP68(optional)
 Product Standard  JB/T 9248-2015


  • Accuracy: ±0.5%(Flow speed > 1m/s)
  • Reliably: 0.15%
  • Electric conductivity:  Water: Min. 20μS/cm

                                             Other liquid: Min. 5μS/cm

  • Flange: ANSI/JIS/DIN DN15…1000
  • Turndown ratio: 1:100


Measuring principle

The electro magnetic flow meter works based on Faraday's law, and measure conductive medium with conductivity more than 5 μs/cm and flow range from 0.2 to 15 m/s. An electromagnetic flow meter is a volumetric flow meter that measures the flow velocity of a liquid through a pipe. 

The measurement principle of magnetic flowmeters can be described as follows: when the liquid goes through the pipe at the flow rate of v with a diameter D, within which a magnetic flux density of B is created by an exciting coil, the following electromotive E is generated in proportion to flow speed v:



              E-Induced electromotive force 
              K-Meter constant 
              B-Magnetic induction density
              V-Average flow speed in cross-section of measuring tube 
              D-Inner diameter of measuring tube                                                     

  electro magnetic flow meter 

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electro magnetic flow meter details

Support 4-20mA output of m³/h, L/h, T/h and other units, RS485 Modbus-RTU protocols are also available.


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360° rotating display interface, easy to read the flow and set parameters whatever how you install it.

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