Scope Automatic saturated vapor pressure analyzer is designed and manufactured according to national standards GB/T8017 ASTM D323 ISO3007 NFM07007 regulations. The instrument is suitable for measuring the vapor pressure of gasoline and other volatile petroleum products, and it is not suitable for the detection of vapor pressure of liquefied petroleum gas. Method of use: the cooled sample is filled into the gasoline chamber of the vapor pressure analyzer, and the gas chamber is connected with the air of a certain temperature.