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. - It adopts special heating furnace to ensure the safety of test. It is applicable to all petroleum products with flash points above 79°C and below 400°C except fuel oils. The heating power is continuously adjustable. It can meet requirements of test. The instrument is fully self-contained complete. The operator can do determination as long as connecting with coal gas or other civil gas. With fast cooling function, it can improve test efficiency.