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SUP-LDG Split-type Magnetic Flow Transmitter

SUP-LDG Split-type Magnetic Flow Transmitter

High-accuracy magnetic flow transmitters you can wholesale and buy bulk in Supmea, please feel free to contact us for more details about magnetic flow transmitter for sale.


SUP-LDG split-type magnetic flow transmitter is applicable for all conductive liquids, such as water, acids, alkalis, slurries and many others. Typical applications are monitoring accurate measurements in liquid, metering and custody transfer. It can display both instantaneous and cumulative flow, and supports analog output, communication output and relay control functions.

The structure of electromagnetic flowmeter is mainly composed of magnetic circuit system, measuring tube, electrode, housing, lining and converter, etc.

The role of the magnetic circuit system is to generate a uniform DC or AC magnetic field. DC magnetic circuit with permanent magnets to achieve, its advantage is a relatively simple structure, less interference by the AC magnetic field, but it is easy to polarize the electrolyte liquid through the measurement conduit, so that the positive electrode is surrounded by negative ions, the negative electrode is surrounded by positive ions, that is, the polarization of the electrode phenomenon, and lead to an increase in internal resistance between the two electrodes, and thus seriously affect the normal operation of the meter. When the pipe diameter is larger, the permanent magnet is correspondingly large, bulky and uneconomical, so the electromagnetic flowmeter generally uses alternating magnetic field, and is generated by 50HZ industrial frequency power excitation.

 Product  Magnetic Flow Transmitter
 Model  SUP-LDG
 Diameter Nominal  DN15~DN1000
 Nominal Pressure  0.6~4.0MPa
 Accuracy  ±0.5%,±2mm/s(flowrate<1m/s)
 Liner Material  PFA,F46,Neoprene,PTFE,FEP
 Electrode Material  Stainless steel SUS316, Hastelloy C, Titanium,
   Tantalum Platinum-iridium
 Medium Temperature  Integral type: -10℃~120℃
   Split type: -25℃~120℃
 Power Supply  100-240VAC,50/60Hz, 22VDC—26VDC
 Ambient Temperature  -10℃~60℃
 Electrical Conductivity  Water 20μS/cm other medium 5μS/cm
 Structure Type  Tegral type, split type
 Ingress Protection  IP68
 Product Standard  JB/T 9248-1999 Electormagnetic Flowmeter
Measuring principle

The magnetic flow transmitter 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 Flowmeter is a volumetric Flowmeter that measures the flow velocity of a liquid through a pipe. 

The measurement principle of magnetic flow meters 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                                                     

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These magnetic flow transmitters have been used throughout industries for more than 60 years. These meters are applicable for all conductive liquids, such as: Domestic water, industrial water, raw water, ground water, urban sewage, industrial wastewater, the processed neutral pulp, pulp slurry, etc.

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