Ultrasonic meter ruler

The invention relates to an ultrasonic meter ruler which belongs to the technical field of measurement. The ultrasonic meter ruler comprises a singlechip, a temperature sensor, an ultrasonic sensor integrating receiving and transmitting, an ultrasonic transmitting circuit, an ultrasonic receiving circuit, a liquid crystal display module and keys, wherein the ultrasonic transmitting circuit and the ultrasonic receiving circuit are connected with the singlechip; an output end of the singlechip is connected with the liquid crystal display module; the ultrasonic sensor integrating receiving and transmitting is connected with the ultrasonic transmitting circuit and the ultrasonic receiving circuit; and the singlechip is used for recording measurement results. The ultrasonic meter ruler can be used for realizing stand-alone measurement detection according to an ultrasonic reflection echo distance measurement principle and an ultrasonic radio type distance measurement principle and can also be used for measuring a longer distance by mutual radio by double computers. The ultrasonic meter ruler is a distance measurement device having the advantages of quick measurement, flexible use and low cost.