The utility model relates to an electric power system calibration equipment, specific quick calibration equipment of humidity transducer that says so, its characterized in that is equipped with the check -up box, be equipped with the probe connection mouth on the check -up box, be equipped with standard humidity measured module in the check -up box respectively, humidity produces the module, the control modul, be equipped with LED display screen and input keyboard on the check -up box lateral wall, the LED display screen, input keyboard, standard humidity measured module, humidity produces the module and control module constitutes the check -up unit, input keyboard, standard humidity measured module is connected with control module through input circuit respectively, control module produces the module with humidity respectively through output circuit, the LED display screen is connected. The utility model has the advantages of the cabinet is controlled in the collection of convenient, the swift check -up high pressure primary equipment of ability, whether the incasement humidity transducer of circuit breaker mechanism exists trouble and its sensitivity of measurable quantity.