Sensor detection tool

The utility model discloses a sensor detection tool, which comprises a liquid level sensor and a box body filled with water, four placing plates are arranged on two side walls in the box body, two detection boxes positioned on the placing plates are arranged in the box body, a plurality of water outlet pipes are arranged at opposite ends of the two detection boxes, and electromagnetic control valves are arranged on the water outlet pipes. A plurality of partition plates are arranged in the detection box, the detection box is divided into a plurality of detection cavities corresponding to the water outlet pipes through the partition plates, a mounting plate is arranged at the top end of the detection box, and a connecting line interface communicated with the outside is formed in the mounting plate; according to the utility model, if the water outlet pipe discharges water, the liquid level sensor corresponding to the water outlet pipe is normal, and if the water outlet pipe does not discharge water, the liquid