Cement paste tester

The utility model discloses a cement paste tester. The cement paste tester comprises a sealing element, a metering tube and a bottom supporting seat, the sealing element is arranged at the top of the metering tube, and the sealing element is detachably connected with the metering tube; the metering tube comprises a metering tube body and a first connecting plate, the first connecting plate is fixedly connected to the bottom of the metering tube body, an opening communicated with the metering tube body is formed in the first connecting plate, and at least two connecting structures are arranged along the edge of the first connecting plate at equal intervals; and the metering pipe is fixed on the bottom supporting seat through the connecting structure and can seal the opening through the bottom supporting seat. The measuring tube can be applied to tests of free seepage rate and free expansion rate of the cement paste, the hardened cement paste can be conveniently taken out of the measuring tube, and the technica