Portable dust sampling device

The utility model provides a portable dust sampling device, include: the box to and the the control unit of setting in this box, the display screen that links to each other with this the control unit is inlayed on the box surface, and the box is equipped with this and the drive control pump that the control unit is connected, and wherein, this drive control pump includes motor, aspiration pump, float flowmeter and sampling head, and the motor is connected with the aspiration pump, and this aspiration pump passes through the gas circuit to be connected with the sampling head, and button input module is connected in order to control its normal work to the float meter of having established ties in the gas circuit of this aspiration pump and sampling head, this the control unit input. This device simple structure, small, establish the rechargeable battery in the box, can carry at will, through sampling flow in the button input module control collection system, can adjust the acquisition time wantonly and gather f