Devices for the quality testing of test specimens and a method for testing of the quality of sheets

摘要

The invention relates to a device for quality testing of test pieces having a first inspection device, the image data of a surface of the front side of the test specimen is detected, and evaluation means for the quality of the test specimen is evaluated on the basis of the detection result of the inspection device. A second the inspecting device is intended for detecting a rear side of the test specimen and a third the inspecting device is arranged to transilluminate the test specimens.