Field test device for vertical permeation of vadose zone

The invention relates to the technical field of underground water environmental influence evaluation and hydrogeology field test, in particular to an aeration zone vertical penetration field test device which comprises a support device, a volumetric flask, an inner ring water inlet pipe, an outer ring water inlet pipe and a liquid level control device. The bracket device is arranged on the ground; the volumetric flask is movably arranged on the bracket device; the upper end of the inner ring water inlet pipe is arranged in the volumetric flask, and the lower end extends into the bracket device; one end of the outer ring water inlet pipe is connected with the water storage container, and the other end extends into the bracket device; and the liquid level control devices are respectively arranged in the inner ring water inlet pipe and the outer ring water inlet pipe. The device is simple in structure and convenient to assemble and use, test operation can be carried out by a single person, the test process is sm