Automatic testing system for water loss and soil erosion

The utility model discloses an automatic testing system for water loss and soil erosion, which includes an upper computer, a rainfall system, an analog runoff field, water and soil measuring device and a power module, wherein the rainfall system includes a sprinkler head, an electromagnetic valve, an adjusting device and a power unit; the water and soil measuring device includes a sand content measuring sensor, a water level measuring sensor and a liquid level encoding/inner data collecting and converting sand and soil measuring front end controller; and the water and soil measuring device consists of the sensor basic frame sand content measuring sensor, the water level measuring sensor, the water level measuring sensor, liquid level encoding/inner data collecting and converting sand and soil measuring front end controller and a water level balance steady-flow filter cover. The utility model has the benefits that the automatic testing system for water loss and soil erosion can automatically monitor, store, re