... Metal tube water/air rotameter, variable area flow meter 1.Accuracy:1.5,2.5 2.Pressure:1.6,2.5,4.0 ... ,6.4MPa 3.Tem:-80~+300C Metal tube water/gas ... unit for computer control, implement comprehensive control.SpecificationMeasuring range: Water: 2.5 ~ 63,000L/h; Air: 0.07 ~ 2, ... equipment can be made by order)Accuracy level: 1.5; 2.5Maximum working pressure: 1.6MPa, 2.5MPa, ...