The invention relates to a transfer unit for analysis devices, containing a tube-shaped assembly which can be heated by an electric heater in a programmed manner, a tube (6) which is arranged in the sample chamber (18) and into which the end of a gas chromatographic separating column can be inserted at the end of said tube, and means for introducing carrier gas into the tube (6), said transfer unit being characterized in that a temperature sensor (8) is arranged in the ring chamber (5) between the inner wall of the assembly and the evaporator tube (6). The transfer unit can be a sample introduction device for a gas chromatograph having a sample introduction head (18), and the assembly can be a sample introduction chamber in which an evaporator tube is provided, wherein the end of a gas chromatographic separating column can be inserted into the end facing away from the sample introduction head (18).