JW-701T wireless guide rod voltage drop meter is a professional intelligent instrument developed and produced by Zhengzhou Jingwei Technology, which is used for measuring and uploading data of anode guide rod current distribution in aluminum electrolysis cell. By measuring the voltage and swing of anode guide rod, it judges the operation of guide rod current. This product has added the function of 4G wireless uploading of data, which can upload the measured data to the cell phone APP application, providing more comprehensive view and monitoring, reducing the labor intensity of workers, improving efficiency, and providing strong support for the realization of digital electrolysis cells.