ATUM Sensor is a measurement device that collects power consumption information such as voltage, current, power factor, active power, and reactive power. Electrical current detection is conducted by using a current transformer to extend the durability of the system.

ATUM communicator is a GPRS device that operates through a mobile network. Through this unit the system can be remotely configured and updated, meanwhile all information related to power consumption is transferred to the main server for reporting purposes.