Dwyer Flow TotalizerDwyer Instruments Inc.’s Series GFT2 Flow Totalizer is a microcontroller-driven device designed to linearize the flowmeter and controller flow curve plus display the instantaneous flowrate, total and accumulated total. The flow totalizer is intended to be used with analog flowmeters and controllers with analog 0–5 VDC, 0–10 VDC, or 4–20 mA interface. RS-232 or RS-485 digital interface is available. – www.dwyer-inst.com