MTLD intelligent electromagnetic flowmeter measurement principle is based on Faraday's Law of Electromagnetic Induction: Conductive liquid cutting the magnetic lines movement in magnetic field,and generate induced potential? the induced potential E is :
- E KBVD
- K instrument constant
- B magnetic induction strength
- V Measuring the average velocity in pipe cross-section.
- D Measuring the internal diameter of pipe cross-section
When measuring the flow,the conductive liquid velocity V flow through the magnetic field which perpendicular to the flow direction.The flow induces a voltage that proportional to the average velocity on the measuring electrode.It’s induced voltage through one –on -one above electrode detected which directly contact the liquid,and through the cable send to the converter which is intelligent processing .Then,the LCD display converted into a standard signal 4 ~ 20mADC or 0 ~ 1kHz frequency output.