A mesh sensor network measuring module for monitoring real-time quantity of energy is provided to facilitate diffusion and supply of the energy management by strongly and rapidly transmitting measurement data. A measuring module for monitoring real-time quantity of energy(100) is arranged between each instrument using electricity and a power source. The measuring module for monitoring real-time quantity of energy measures data of electricity usage of each instrument. The measuring module for monitoring real-time quantity of energy comprises a current amount sensor(101) and wireless transmission-reception devices(103,104). The current amount sensor measures current amount. The wireless transmission-reception devices send and receive with the adjacent measuring module.
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