We have just used something like that in our lab. You can check http://www.itwatchdogs.com/product-detail-minigoose_ii-8.html http://www.itwatchdogs.com/produc

We have just used something like that in our lab. You can check http://www.itwatchdogs.com/product-detail-minigoose_ii-8.html http://www.itwatchdogs.com/product-detail-minigoose_ii-8.htm... it is a device connected with air flow/humidity/ Dew point/ temperature sensors and connected to the internet. The basic models starts from 200 dollars I think. If you want to contact me at my username at g mail I can link you to our lab's website to check the interface