The experimental method of the testing at a high speed machine with ram speed of l-l0m/s is described. The reproducibility and the effects of the material and the ram speed on the oscillations in measured load have been studied. A software for subtracting the oscillations, which seem to come mainly from the load measurements system, from the recorded load signal to get the material response has been developed. By our method the time from a sample is mounted to the results from the test is ready is about 20 min. Aluminium (3005) and steel have been tested both at high speed and at conventional speed. The mechanical properties as function of strain rate are found.