... measuringGAS: Gas (coke oven gas, blast furnace gas, producer gas)Natural gas, including natural gas which humidity greater ... gases: hydrogen, helium, argon, oxygen, nitrogen; air content water/dustFlue gasSTEAM: Saturated steam, superheated steamLIQUID: Oil, fuel oil ... , emulsifying oil content waterWater, including pure water, sewageAll kinds of solution, including salt solution and alkaline ...