Device dedicated to PCR technology three temperature measured value transmission test

The utility model provides a device dedicated to PCR technology three temperature measured value transmission, belonging to the field of metrology and instrument and meter detection. The device comprises a fixture part which comprises a clamping post with a seat, wherein an upper end of the clamping post is provided with a groove, a side end of the clamping post is provided with a screw hole, and a calibrated temperature sensor and a temperature sensor to be calibrated are clamped in the groove; a heating and cooling part, wherein front and back directions of the heating and cooling part are ceramic cooling pieces, two sides of the heating and cooling part are heating pieces, the ceramic cooling pieces at the front and back directions and the heating pieces at the two sides are jointed to form four side faces of a cuboid, and the cuboid and the fixture part are stuck together through heat-conducting glue and become a straight cylinder capable of loading liquid after gaps are filled; and a control display part