The instrument is designed and made as per the National Standard GB/T213 “Test Methods for Heat of Coal”, GB/T384 “Test Methods for Calorific Value of Petroleum Products”, the National Measurement and Determination Specification JJG672 “Oxygen Bomb Calorimeter”, as well as the Shanghai Company Standard “Q/YXYY-10 GDY-1 Oxygen Bomb Calorimeter”. It is an instrument made for power plants, smelting, cement, and petrochemical, scientific research institutes, colleges and universities. Now it has been widely used to determine heat value of coal, oils, tar, and paraffin, etc.