We are interested in automating the monitoring and control functions related to petroleum flow meters and valves, as well as electric power disconnectors. Does any one have any information related to this such as vendors that make the gear, or success stories?

 

Check out GSM-I/O from Opto22. http://www.opto22.com/products/optogsm_io.asp
Three Inputs (Analog or Digital) and up to 5 Digital Outputs per board, can be directly monitored/controled through SMS messages to the onboard modem.