Metered-by-outlet Rack Power Distribution Units (PDUs) provide real-time remote monitoring of each individual outlet to empower IT professionals with the necessary tools for advanced data center energy management. APC Metered-by-outlet Rack Power Distribution Units (PDUs) provide active metering of individual outlets to enable energy optimization & detailed capacity planning. User-defined alarm thresholds mitigate risk with real-time local & remote alerts to warn of potential circuit overloads. Metered-by-outlet rack PDUs provide a more granular level of power utilization data to allow data center managers to make more precise decisions on load balancing & right sizing IT environments to lower total cost of ownership. Metered-by-outlet Rack PDUs include individual outlet power metering, a temperature/humidity sensor port, & locking IEC receptacles.