Concrete surface elevation measuring instrument

The utility model discloses a concrete surface elevation measuring instrument which comprises a detection tube, an electronic PH sensing device, a detection tube connecting clamping sleeve, a detection tube tail end insertion cone, a battery and a remote control device, the electronic PH sensing device comprises a sensing probe and a sensing device circuit for supplying power to the sensing probe, the sensing probe is welded in the outer wall of the detection tube, and the sensing device circuit is connected with the detection tube. The induction device circuit is arranged in the detection tube, the remote control device comprises an information processor, a display screen and an operation button, and the battery provides electric energy for the induction probe through the induction device circuit. The measuring instrument breaks through a traditional concrete surface elevation measuring method, abandons the development direction of a thin rope and a measuring hammer, and realizes concrete surface elevation m