Abstract: The invention concerns a system for the analysis of sample liquids, comprising: a) test elements comprising an edge profile; b) a moisture-impermeable, tightly sealable storage container for at least two test elements comprising a guide element, a spacer between the guide element and the first test element to be withdrawn, and a transport device for test elements; and c) a measuring instrument that is independent of a power supply network and can be held with one hand, the instrument comprising a guide groove for test elements, an opposing guide groove for the guide element of the storage container, and a holding device for test elements.