Insertion electromagnetic flow meter is composed of insertion electromagnetic sensor and electromagnetic flow converter, used to measure the conductive liquid that electrical conductivity is greater than 5 us/cm , it is used to measure the water, sewage, acid, alkali and other medium. Suitable for measuring the large pipe of diameter DN300~DN3000mm,.Installation can be divided into a online installation type of the cut-off valve and water control installation type without stop valves. are applied to measuring volume flow of conducting liquid and slurry in pipe-line, widely used to municipal water supply and drainage, industrial engineering,hydraulic engineering,and etc.