Powder dispensing and sensing apparatus and methods are provided. A fuel tank includes a recess portion that is formed around a fuel fill opening, and a raised section that is formed to the outer side of the recess portion and that is at a higher position than the recess portion. By means of the measuring system according to the invention, on the one hand, realistic conditions of a track system can be simulated and, on the other, a high metrological reproducibility of a load situation can be achieved.