Designed to linearize the flow meter and controller flow curve plus display the instantaneous flow rate, total, and accumulated total, the Series GFT2 Flow Totalizer is a microcontroller driven device intended to be used with analog flow meters and controllers with analog 0 to 5 VDC, 0 to 10 VDC, or 4 to 20 mA interface. RS-232 or RS-485 digital interface is available.