It adopts hydraulic force, cylinder under the cylinder, liquid crystal display force measurement, and the main body and dynamometer are designed separately. It has the characteristics of convenient operation, stable and reliable operation, high test accuracy and stable loading. The overall appearance is simple and the test space can be adjusted. The measurement uses high-precision sensors, the digital curve display of the test results, and can be directly stored, data processed, printed out results and curves, with networking and other functions.