Fully automatic BOD analyzer

The utility model relates to a fully automatic BOD analyzer, which comprises a cabinet body, a cabinet door, a culture bottle, an agitating motor, a thermostatic apparatus, an analog conversion circuit, a monitor, a computer and a miniature printer. The utility model is characterized in that the culture bottle is connected with a pressure sensor through a rubber pipe; the output end of the pressure sensor is connected with an analogue-digital conversion circuit; the output end of the analogue-digital conversion circuit is connected with the monitor and the computer. The utility model has the advantages of simple operation, no pollution, high sensitivity, no visual error and wide test range (0-2000 mg ). The utility model can visually display the test curve and the BOD value and can automatically print the test report.