The present invention is related to an apparatus for analysing crop composition of crops moving in a grain elevator, said elevator comprising paddles (3) moving up on an up-going side (1) of the elevator and down on a down-going side (2) of the elevator, said apparatus comprising a crop entrance (15) for entry of crops from the up-going paddles to the analysing apparatus and a housing (10) for containing a portion of crops to be analysed. The apparatus is characterized in that the crop entrance (15) is located in a plane parallel to the elevators outer wall (7) at the up-going side (1) of the elevator, and in that the apparatus further comprises a sloped gutter portion (16) for bringing crops from said crop entrance towards the housing (10). The invention is also related to a combine harvester equipped with such an apparatus.