The utility model discloses a measuring device suitable for carbon dioxide pipeline emptys and leak testing. Measuring device includes the trunk line, the carbon dioxide gas bottle is connected to the one end of trunk line, and the other end is connected the rupture disk or is used the shutoff of flange piece, the trunk line still is connected with emptying pipeline in being close to this rupture disk or flange piece department, the trunk line with emptying pipeline's inside is provided with a plurality of temperature sensor, the trunk line with be connected with a plurality of pressure sensor on emptying pipeline's the pipe wall. According to above -mentioned device, can record and empty and rupture disk blasting in -process trunk line and emptying pipeline pressure temperature change rule to set up reasonable unloading mode and carry out the pipeline and rationally select suitable material.