Petroleum testing is the analysis during upstream, midstream, and downstream production processes of petroleum products. It is most commonly used to test petroleum product, its product components, byproducts of crude oil, fuel, natural gas, upstream oil and gas and other formats of petroleum. - The instrument is suitable to determine the existent gum content of aviation gasoline and motor gasoline (Not suitable to determine the existent gum content of aviation turbine fuel) . It equips a specially designed heating bath.The gas circuit is designed reasonably and the effect of evaporation is good. Each test hole equips unique flowmeter. It can control the hot-air flow rate of each test hole correctly. The instrument is equipped with an oil-water separator to prevent oil gas and water vapor from entering the instrument.