The utility model relates to a portable, detection accuracy, convenient to use's power supply operation safety inspection device, its characterized in that is equipped with equipment monitor, mobile subscriber end and host computer, and the equipment monitor is equipped with the mobile communication circuit who is used for with the communication of mobile subscriber end, and the equipment monitorstill is equipped with the communication circuit who is used for with host computer communication, wherein the equipment monitor is equipped with controller, memory, wind speed observation circuit, temperature and vibration observation circuit, and wherein the controller is connected with memory, wind speed observation circuit, temperature and vibration observation circuit respectively, be equipped with the wind speed sensor in the wind speed observation circuit, temperature and vibration are equipped with temperature measuring rings way, the relevant loop of vibration and position in the observation circuit and declare the fixed ring way, compared with the prior art, the utility model, can provide accurate reliable reference for power line maintenance to the related operations who patrolsand examines maintenance person person can effectively monitor.