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 used to test make determination for vapor pressure of gasoline, volatile crude oil and other volatile petroleum products. Two precise pressure meters to detect the gas pressure inside the bomb. Digital temperature controller. The temperature in water bath is uniform. Temperature control accuracy is high. It can meet the requirements of test.