The Femto D4 is an energy meters/analyser, while the Atto D4 is an energy transducers/analyser. The meters are designed to satisfy the most sophisticated applications for monitoring electrical parameters and managing energy in the civil, commercial and industrial sectors. Equipped with RS485 port, LED for active energy, indication of the phases sequence, 4 x operating time counters with the ability to have the firmware upgradeable remotely.

Available in versions with digital inputs and / or digital or analogue outputs. Compliant with EN 50470-1 + EN 50470-3.