The Dwyer 647 Differential Pressure Transmitter monitor differential pressure in air/liquid flow systems, HVAC automation, pneumatic systems and process control with the SERIES 647 Wet/Wet Differential Pressure Transmitter. Units are temperature compensated and provide a 4 to 20 mA output signal which can be interfaced with chart recorders, data loggers and computerized monitoring and control systems.

Applications include flow, process control, HVAC automation, and pneumatic systems.