... , variable area flow meter 1.Accuracy:1.5,2.5 2.Pressure:1.6,2.5,4.0 ... can be fitted with DDZ-III electrical unit for computer control, implement comprehensive control.SpecificationMeasuring range: Water: 2 ... 80.7-7.025-25010.87.21.0-1040-400108.6251.6-1663-6301411.1253.0-30100-1,0007 ... .09.5100200-2,0006,300-63,00011.010Main structure 1, Needle indicator2, Connection flange3, Measuring pipeline4, Collar5 ...