... -300B semi-automatic pendulum impact testing machine can be used to measure the impact resisting performance of the material. This is a kind of semi-automatic type testing machine, it ... of standard specimen: 10×10×55mmPower supply: 380V, 50Hz, three phases, 180WDimensions: 2124 × 600×1340mmWeight: 450Kg PENDULUM IMPACT TESTING MACHINE MODEL JB-300B SEMI-AUTOMATIC ...