Novel constant temperature control system gas analyzer

The utility model discloses a novel constant temperature control system gas analyzer, and relates to the technical field related to gas analysis. The device comprises a case, a measuring chamber, a TEC semiconductor refrigerator, a connecting column and a PTC constant-temperature heating plate, a double-temperature-control switch is fixed on one side of the top in the case, the measuring chamber is fixed in the center of the top in the case, a baffle is fixed in the middle of one side in the measuring chamber, the TEC semiconductor refrigerator is fixed at one corner of the top in the case, and the PTC constant-temperature heating plate is fixed at the other corner of the top in the case. A connecting column is fixed on the inner wall of the case on one side of the measuring chamber, and a PTC constant-temperature heating plate is fixed at the inner bottom of the case. By arranging the case, the measuring chamber, the TEC semiconductor cooler, the connecting column and the PTC constant-temperature heating pla