Scope The instrument conforms to the standard astm d323, iso3007, gb/t8017, nfm07007. 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. The instrument is used to charge the cooled sample into the gas chamber of the vapor pressure measuring device, and the gas chamber is connected with the air of a certain temperature. Features 1, the instrument adopts the integrated design, operation and maintenance is simple and convenient 2, the instrument adopts the pid temperature control system, temperature control precision is high, stable 3, the instrument adopts the automatic timing, when the alarm prompt system 4, the instrument uses a double elastic results, easy to operate parallel experiments 5, the instrument adopts the automatic vibration of the steam pressure, improve the accuracy of the experiment, reduce labor intensity Technical parameters 1, power: ac220v + 10%50hz 2, input power: 0~1500w 3, ambient temperature: room temperature ~+30 4, output power: constant temperature heating: 1000w motor: 25w 5, temperature control precision: 37.8+ 0.1 6, the pressure gauge range: 0~200kpa 7, sensor: pt l00 8, automatic rotation angle of the instrument is 350