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The DGMP working group has established a test program by which it is possible to perform uniformly the performance test of radiographic devices referred to in DIN 6868, part 1. The program was based on the following fundamental purposes: 1) Uniformity of the testing extent, measuring conditions and test criteria, 2) Simple procedure of testing and 3) Definition of a reference dose value ('transmission dose') useable to assess the exposure of the patient required by the technique. Substantial requirements with regard to the necessary test object and the measuring arrangement are deduced from these criteria. A model test program, comprising the most essential single tests of a performance test, is presented. A model test certificate is introduced. The practical trial of the test methods has revealed the possibility to apply an informative performance test in a fast and simple way by using suitable measuring devices. (ERA citation 11:003995)