... control, implement comprehensive control.SpecificationMeasuring range: Water: 2.5 ~ 63,000L/h; Air: 0.07 ~ 2,000 m3/h ... .1013MPa)m3/hWaterL/hAirWater15150.07-0.72.5-257.16.50.11-1.14.0-407.26.50.18 ... .68.18025-2501,000-10,00010.41140-4001,600-16,00015.5178060-6002,500-25,0008.08.1100100-1 ... ,0004,000-40,00013.09.5100200-2,0006,300-63,00011.010Main structure 1, Needle indicator2, Connection flange3, ...