Electronic process variable pressure transmitters for measuring process variables of industrial processes; field sensors for use in industrial processes and industrial facilities for monitoring and measuring flow, level, vibration, temperature, pressure, and process parameters, and communicating sensed conditions to control components; devices for communicating in industrial processes and industrial facilities, namely, wireless transmitters and receivers and communications computers; wireless field sensors for sensing and communicating industrial process variables to monitor and control the functioning of industrial process instruments; software for use in management, monitoring, and increasing reliability, efficiency and safety of industrial processes, industrial facilities and process instruments; electronic field devices for monitoring equipment in industrial facilities, namely, computers, alarm monitoring systems, micro-processor based hardware and software used to monitor the status of industrial machinery, namely, control valves, temperature sensors, pressure sensors, flow sensors, and vibration sensors; electronic field sensors which transmit or receive information related to operation of industrial facilities, namely, sensors for sensing industrial facility operational and environmental parameters and transmitting the parameters to receivers