For tracking energy usage, HVAC/R systems performance, and green building efficiency, users can plug in their choice of sensors, connect an Ethernet cable, and remotely access and manage Hobo U30 systems distributed throughout their facilities. Users can set up alarm conditions for any connected sensors and receive automatic notification via e-mail or cell phone text messages when monitored. A wide selection of sensors are available for measuring parameters including temperature, relative humidity, kW, kWh, AC voltage, AC amps, DC amps, gauge and differential pressure, and CO2.Onset Computer Corp.www.onsetcomp.com800.564.4377