Display device for selling automatic monitoring control instrument

The utility model discloses a display device for selling an automatic monitoring control instrument. Display cabinet, a simulation box is mounted at the top of the display cabinet; two sides of the simulation box are respectively communicated with an air inlet pipe, an air outlet pipe, a liquid inlet pipe and a liquid outlet pipe; and valves are installed on the air inlet pipe, the air outlet pipe, the liquid inlet pipe and the liquid outlet pipe correspondingly, a copper sheet is installed in the simulation box, a power line is electrically connected to the copper sheet, a switch is installedon the power line, and a clamping device is arranged at one end of the fixing plate. According to the utility model, the simulation box is arranged on the display cabinet; the automatic monitoring control instrument is connected with the instrument plug; gas and liquid corresponding to the automatic monitoring control instrument are introduced into the simulation box through the gas inlet pipe and the liquid inlet pipe,