Compression testing machine 2000 kn (200 tons) capacity electrically operated fitted with digital display. The hydraulic jack of 200 tone capacity is fixed to base.The upper platen has got a self aligning action and is attached to a screw which passes through the cross head and can be raised for lowered for initial clearance adjustment. The lower platen rests on the jack ram and is positioned with the help of a centering pin. Loading is accomplished by the upward movement of the lower platen. The machine is suitable for operation on 440v, 3-phase, ac supply.