Spectrometer without a cuvette

摘要

The present invention relates to a spectrometer (1; 1') for measuring the concentration of at least one analyte in a fluid sample (2; 2'), comprising a light source (3; 3') for producing a light beam (4; 4'), a photosensor (5; 5') for receiving the light beam (4; 4'), and a measuring section (6; 6') in the beam path of the light beam (4' 4'), in which measuring section the fluid sample (2; 2') can be introduced, wherein the measuring section (6; 6') can be changed.