A combined instrument that is used for electric power mutual -inductor transformation ratio rapid survey

The utility model discloses a combined instrument that is used for electric power mutual -inductor transformation ratio rapid survey, including two high accuracy testing appearance, two pentamera insulating bar and integrated wireless receiver A and wireless receiver B in the box, two binding clips are established to the one end of high -precision detector, and the binding clip is closed circularwith the formation of detector body, and the insulator spindle connector is established at detector main part below center, still is equipped with a button key who is used for the control start in thedetector main part, receiver display screen A and receiver display screen B are established to the inside one side that is close to the receiver antenna of box, and receiver display screen A below isequipped with the HOLD key, and electronic calculator is established to HOLD key below, and receiver display screen B establishes the below POWER key, and multi -functional multi -range clip on ammeter is established to POWER