Vertiv Liebert SN sensors offer a range of options for monitoring temperature, humidity, fluid leaks and contact closures within computer rooms and network closets to protect equipment from dangerous conditions and enable more efficient thermal management. Available in modular and integrated configurations, Vertiv Liebert SN sensors are easy to mount and connect directly to Liebert PDUs, Liebert UPS systems with the Unity DP communications card, and Avocent ACS serial consoles.