Robert wrote: > Fajar Priyanto wrote: > >> Hi all, >> I have a situation like this: >> Our little server room is always on. It has an air conditioning unit, >> but barely enough. >> So sometimes during weekend, the temperature could reach unhealthy >> level, like 29 degree Celsius. >> Currently, there's no personnel to monitor it 24 hours a day. >> I'm thinking of using a tool to monitor the temperature, and then send >> sms/email when it reaches certain threshold. >> Anyone has an idea? Could be software based or hardware one. >> Thank you. >> >> >> > Depending on the stakes, you might consider a solution from > http://www.sensaphone.com/ > They have a wide range of units at a wide range of costs. > _______________________________________________ > > I was just getting ready to post this! They have great products. The sensors available are widespread... heat, cold, noise, motion, water, electric.... You program it to call a list of numbers... until one of those folks calls it back, it keeps trying. You can listen to the room from the phone. Really neat system and not a huge amount of money. Basically, it is a burglar system as well... can detect intrusions. John Hinton