Automatic tester for ground resistance

The utility model discloses a grounding resistance automatic tester, and relates to an instrument which can carry out automatic tests to the grounding resistance as well as the temperature and the humidity of atmosphere or soil. The utility model aims to provide a grounding resistance automatic tester which can transmit test results to a user on a real-time basis, realize the convenience and the rapidness really, and find out the grounding state of a tested area in time, and ensure the safety of the whole grounding system. The utility model adopts the technical proposal that the grounding resistance automatic tester comprises a control system, a test unit, a parameter setting button positioned at the lower part of the control system and a power supply supplying power to the control system, wherein, the control system is connected with the test unit through a lead which is connected with a connection slot positioned on one side of the control system; a test switch is arranged to control the test unit; and a wireless transmitting module which is controlled and operated by the control system and used for sending out signals to an external terminal display device is also included. The grounding resistance automatic tester is mainly applied to the grounding resistance test.