The utility model relates to an electric energy meter of electric energy meter calibration alarm system and this system of application based on singlechip, it overhauls technical field to belong to electric power, the system includes test section and warning part, the test section includes ATT7022A electric energy chip and STC89C52 singlechip, report to the police the part including the serial interface, the conversion chip, electric energy chip links to each other with the singlechip, the singlechip links to each other with the serial interface through the conversion chip, the serial interface links to each other with the host computer, the serial interface is RS485 communication module, the conversion chip is MAX3232 or MAX485 conversion chip, can detect the error and take the initiative electric energy meter self reports department of electric power maintenance system through the RS485 communication, the problem of electric energy meter self detect and nevertheless can not initiatively report information is solved, avoid carrying out parameter measurement to the scene, the artificial error who the in -site measurement in -process appears has fallled to the minimum, satisfy modernized official working demand.