Device for continuously recording bacterial growth curve

The invention discloses a device for continuously recording a bacterial growth curve. A bacterial liquid is put into a culture container and cultured, the heating temperature of a heating tube to thebacterial liquid is controlled by a temperature control switch, the temperature of the bacterial liquid is displayed on a temperature display screen in real time, and thus the survival rate of bacteria can be improved. A stirring mechanism drives a transmission shaft to drive a stirring impeller to rotate by a stirring motor, and the stirring impeller automatically stirs the bacterial liquid, so the dissolved oxygen amount of the bacterial liquid is improved. A pH measuring mechanism measures the pH value of the bacterial liquid by an electronic pH meter at the lower end of a measuring rod. ApH electronic recorder records the real-time pH value of the bacterial liquid. A spectrophotometric measuring mechanism extracts the bacterial liquid to a spectrophotometric measuring instrument through a pressure pump, the sp