In the trade of petroleum products, the main difference between buyers and sellers lies in the quantity and quality of products. The quantity (i.e. weight) of petroleum products is an important basis for trade settlement. The three important factors that determine the weight of oil are density, temperature and volume. Density is also related to the quality of oil. In practice, different industries use different methods to detect the density of petroleum products.
Key words
Petroleum densimeter; Density; Densitometer verification
Precautions in verification of petroleum densimeter
