Special Electromechanical Testing Machine Series ABC 5.20 … designed for 100% control of suspension of PKW slats with automatic selection of NIO parts. These machines are designed for assembly and testing semi-automatic lines. These machines are characterized by the very high stiffness of the test frame, the speed and accuracy of semi-automatic measurements in thickness measurement, suspension, belt drift and the course of measurement in the sectors – the ABCD method.