The URFC 4700R Series is designed to detect the condition of the steam trap (cold, ok, and blow thru) for any make or model of steam trap. The 4700R Series utilizes acoustic and temperature readings coupled with Armstrong patented logic to determine the state of the trap. This unit includes a simple battery change out design, which can be completed in minutes without shutting down the steam system. The 4700R Series is a remote transmitter that helps monitor steam traps that are difficult to access which are installed in areas such as pits or elevated pipe racks.