The rbef series electromagnetic flow meters is suitable to measure volumetric flow rate of the conductive liquid and slurry in the closed pipe, e.G. Clean water, sewage, various solutions of acid, alkali, salt; slurry, slag, pulp and other liquids such as food-beverage etc. Features Not affected by the change of the fluid condition such as density, viscosity, temperature, pressure and conductivity, and the signal Output of inductive voltage is linear to average velocity, therefore It has a high accuracy of measurement. No obstacle parts in the meter tube so that no extra pressure loss; no movable parts, so meter has long operation life. Short straight pipe required, only 5d for upstream and 3d for downstream due to the inductive voltage signal which is the average value in the cross-section of the pipe. Only liner and electrode contact to the fluids, choose proper material of liner and electrode to prevent it from corrosion to ensure meter long operation life. Mcu and smt technology used in converter to make it has high performance, high accuracy, low power consumption,