The distributing machine has a storage container (2) with a slide and adjustable outlet opening. A distribution element has a separate metering element which performs the calibration test provided metering than with slide opening, and the turning outlet opening is formed to be closed. The turning outlet opening is arranged in one of the corner walls (16) of funnel-shaped portion (4) of storage container. The wall region, in which the turning outlet opening is arranged, has a smaller inclination than the container walls (17) of funnel-shaped portion of container.