Patent ID: 8808629

Claim:
Transfer unit for analytic instruments, comprising a tubular, cartridge-type assembly group in the form of a sampling chamber with an inner wall, an electric heater for heating said assembly group according to a program, a gas chromatographic separating column having two ends, a liner inside said sampling chamber adapted to receive one of said ends of said gas chromatographic separating column, said liner designed in such a way that an annular space with an open outlet end is formed between said inner wall of said sampling chamber and said liner, and wherein said liner has an outside and an inside, said inside connected to said annular space through said open outlet end, means for inserting carrier gas into the liner, wherein a temperature sensor is arranged in said annular space, wherein, said assembly group has a cylindrical inner tube and said heater has the form of a heating coil wound on said cylindrical inner tube, and wherein said assembly group has an outer tube mounted around said heating coil which is tightly connected to said inner tube and said heating coil by a diameter reducing method.