Volume weighing machine

The utility model belongs to the technical field of a volume weighing device technique that usefulness in engineering technique, environmental science and the biology and specifically relates to a volume weighing machine is related to. Its characteristics are including the main part, the main part in be provided with the net piece, there is a top cap on main part upper portion through threaded connection, main part and the top cap department of being connected are provided with the rubber packing ring, the top cap include that the top cap is most advanced, top cap pointed end bottom is provided with protection luo tai, the protective sheath passes through screw and protection luotai and links to each other the cover and establish at the top cap most advancedly outside. Its precision can reach 0.1mm3 (1x10 -10m3), can accurate, effective, portably solve the volume measurement of correlation problem in engineering or the environment.