Abstract: The present invention relates to a system for handling sensitive products, in particular for filling and sealing medicaments in containers, comprising an enclosed space (2) in which the sensitive products are handled, a device (3) for monitoring the air in the enclosed space (2) with a measuring point (6) and at least one Petri dish (30), wherein the Petri dish (30) comprises a lower receptacle (31) and a removable lid (32), and an automatic handling device (4), wherein the automatic handling device (4) is designed to automatically transport the Petri dish to the measuring point (6) and back and to remove the lid (32) from the lower receptacle (31) of the Petri dish (30) and put it back on.