An Environmental Rack Monitor (ERM), monitors temperature and humidity at two locations plus up to four additional in/out contact sensor devices. The ERM displays real-time status to a PC, internet-ready wireless device or network management system (NMS) software, it automatically notifies designated recipients of out-of-range conditions, incorporates Auto-discovery of up to 100 ERMs on a network and auto-aggregation utility and helps to protect critical asset from variables including … temperature, humidity, presence or smoke, presence of water, intrusion of enclosures and vibration or shock