Measurement accuracy: liquid ± 0.5%, gas / steam ± 1.0%;

　　Low Reynolds number measurement: when the Reynolds number is as low as red = 500. the square root relationship between flow and differential pressure can still be maintained;

　　Wide application: it can measure liquid and gas, especially for mud, coal tar, asphalt, residue, heavy oil, coal water suspension and other high viscosity fluids;

　　Two way flow measurement.