DXLD Electromagnetic flow meter

DXLD Electromagnetic flow meter
  • DXLD Electromagnetic flow meter
  • DXLD Electromagnetic flow meter
  • DXLD Electromagnetic flow meter

water flow meter, hcl flow meter, magnetic flow meter, electromagnetic flow meter, flow meter, liquid flow meter, high accuracy water flow meter

  • Product No.: 20161216161242
  • Price: Hidden
  • Products name: DXLD Electromagnetic flow meter
  • Pipe size: DN3-DN3000
  • Process connection: Flange connection, standard ANSI, ASME, JIS, EN, DIN
  • Accuracy: 0.5, optional 0.4, 0.2
  • Power supply: 24V DC, 220V AC, battery powered
  • Output: 4-20mA, pulse, OTC
  • Communication: RS485, HART
  • Optional: Different electrode material
  • Optional: Different liner material
  • Optional: High working pressure type up to 100MPa




How electromagnetic flow meter work

The theory is based on Faraday's Law of Electromagnetic Induction. That is, when conductiveliquid flow through magnetic field which is Perpendicular to the direction of fluid flows, induced eletromotive force E across the fluid is produced.


K=Constantof Instrument

B= Magnetic Field Strength

v=Average Flow Velocity

D=Inner Diameter

The induced eletromotive force isdirectly proportional to the average of fluid, the fluid mus meet the standard of minimum conductivity. Voltage is caught by electrode which is contacted directly with fluid, and pass through cable to amplifier, finally it’s converted to a common signal.The advantages of this test method :

1.No parts that interfere fluid, so no morel pressure loss.

2.Signal of voltage is produced around full space of magnetic field, so cable length from electrode level to upper level of sensor is short. The length is 5*DN.

3.Only liner and electrode are contacted with fluid, corrosion resistance and abrasion resistance can be met if appropriate material of electrode and liner is adopted.

4.The voltage is linearly related to average flow velocity, which is an accurate signal.

5.Test result has nothing to do with pressure, temperature, density, viscosity, conductivity( not less than minimum conductivity) of fluid, so it’s highly accurate and reliable.



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