high precision, good interchangeability, widely measuring range, variable connection type,installation Feature:1. Show fluid directly2. Superior economic ... : DN15,DN25,DN40,DN50Measuring range: water (20 °C) 4~10000 L/h air (20 °C, 101325Pa) 0.12 ~ 300 m3 / hRange scale ... ) Basic Type Corrosive~proof TypeWater (20°C L/H)Air (1.013×105Pa 20°C,M3/h) 15VA/SA/FA10-15VA/SA ...