Available: liquid, Gas, Steam. Not For: high viscosity fluid. Low limit flow,can measure mini flow Available: liquid, Gas, Steam. Not For: high viscosity fluid. Low limit flow,can measure mini flow Simply structure,strong steady. Lining is availalbe,anti-corrosion. Good Repeatability Measure mini flow Specification ModelVIVO3041VIVO3042Signal outputNone4-20mAPower supplyNone or Battery+ ...