The utility model belongs to the technical field of direct access formula strapping table meter, concretely relates to three -dimensional measurement electric energy meter of direct access formula, the problem of the technique is solved for: the utility model provides a simple structure, simple to operate, work efficiency are higher, and can effectively solve the three -dimensional measurement electric energy meter of direct access formula of charges of electricity cover benefit problem, the technical scheme who adopts does: a three -dimensional measurement electric energy meter of direct access formula, includes: table tail, once sample module and secondary measuring control module, the table tail includes: a third hole and the 6th hole for connecting the first hole and the fourth hole ofelectric network source inlet wire, be used for the second hole and the 5th hole of bond to user auxiliary power supply wiring and be used for connecting power generation system being qualified for the next round of competitions, the module of once sampling includes: one -way sample thief of voltage electric current and the two -way sample thief of voltage electric current, secondary measuring control module includes: MCU microcontroller, electric energy measurement private circuit, liquid crystal display and MCU built -in memory, the utility model is suitable for a the electricity sector.