The utility model provides the utility model discloses a carry out the water sampling device gathered to the water sample, including the floating installation and connect the hydrophore on the floating installation, the floating installation is used for floating in the surface of water, the hydrophore along with floating of floating installation the adjustment adopt the water level and put. Through floating of floating installation, hydrophore automatically regulated adopts the water level and puts to the water conservancy project of adopting that keeps normal is done. The utility model discloses a monitoring devices who contains the water sampling device has still been revead.