Dropping device for testing a metal detector of a multihead scale or a packaging unit, comprising: at least one magazine adapted to receive at least one test specimen therein, a sensor which is configured to detect the presence of one or more test specimens in the magazine at at least one point, a first horizontal element with a first opening having at least the diameter of a test specimen, a pivot arm which can be moved between at least two positions by means of a drive, a transport device for test specimens, which is connected to the pivot arm, which comprises: a second horizontal element having a second opening having at least the diameter of a test specimen, wherein a receiving device having at least the diameter of a test specimen is fixed below the second opening, wherein the second opening of the second horizontal element is located below the magazine in a first position which the pivot arm can adopt, so that a test specimen can fall from the magazine through the second opening of the second horizontal element into the receiving device, wherein the receiving device is located above the first opening of the first horizontal element in a second position which the pivot arm can adopt, so that the test specimen located in the receiving device can be ejected through the first opening of the first horizontal element, wherein the second horizontal element is configured to prevent further test specimens from falling out of the magazine in any position of the pivot arm other than the first position. at least one magazine adapted to receive at least one test specimen therein, a sensor which is configured to detect the presence of one or more test specimens in the magazine at at least one point, a first horizontal element with a first opening having at least the diameter of a test specimen, a pivot arm which can be moved between at least two positions by means of a drive, a transport device for test specimens, which is connected to the pivot arm, which comprises: a second horizontal element having a second opening having at least the diameter of a test specimen, wherein a receiving device having at least the diameter of a test specimen is fixed below the second opening, wherein the second opening of the second horizontal element is located below the magazine in a first position which the pivot arm can adopt, so that a test specimen can fall from the magazine through the second opening of the second horizontal element into the receiving device, wherein the receiving device is located above the first opening of the first horizontal element in a second position which the pivot arm can adopt, so that the test specimen located in the receiving device can be ejected through the first opening of the first horizontal element, wherein the second horizontal element is configured to prevent further test specimens from falling out of the magazine in any position of the pivot arm other than the first position. a second horizontal element having a second opening having at least the diameter of a test specimen, wherein a receiving device having at least the diameter of a test specimen is fixed below the second opening, wherein the second opening of the second horizontal element is located below the magazine in a first position which the pivot arm can adopt, so that a test specimen can fall from the magazine through the second opening of the second horizontal element into the receiving device, wherein the receiving device is located above the first opening of the first horizontal element in a second position which the pivot arm can adopt, so that the test specimen located in the receiving device can be ejected through the first opening of the first horizontal element, wherein the second horizontal element is configured to prevent further test specimens from falling out of the magazine in any position of the pivot arm other than the first position.