I use an EM01B from a company called Esensors. It works perfectly with Nagios and monitors temperature, humidity and light. Combined with Nagios and/or MRTG you can generate historic graphs and all kinds of other useful and fun stuff. http://www.nagios.org/products/environmental/esensors/em01b.php On 9/26/05 9:51 AM, "Matthew Farra" <[log in to unmask]> wrote: > Does anyone use a temperature sensor of some kind to monitor their server > room? We have a server room with a dedicated cooling unit, but no way to > monitor the temperature remotely. > > I'd like to find some kind of device that could monitor temperature and log > the readings, as well as contact me via phone or email if the temperature > exceeds a certain level. > > Is anyone using something like this now? Can you recommend anything? > > Thanks, > > Matt Farra