The utility model relates to a can realize split type intelligent electric power instrument of components of a whole that can function independently measuring, include: the master control display element and the data acquisition unit that adopt split type structure to set up, wherein master control display element includes main processor module, the host liquid crystal module that links to each other with this main processor module, main wireless module and the main keyboard of pressing, the data acquisition unit includes gathers detection module and electric quantity gauge module from processor module, electric quantity, the electric quantity is gathered detection module and is included voltage sensor and current sensor, the input of voltage sensor and current sensor and electric quantity gauge module links to each other, the output of this electric quantity gauge module with link to each other from processor module, still with from wireless module link to each other from processor module to be suitable for and send electric quantity data to master control display element.