The Dwyer IEF series electromagnetic flow transmitter is an adjustable flow meter with electromagnetic technology that accurately and reliably measures a fluid velocity. The IEF series is specifically designed to deliver superior performance in combination with easy installation and use. The IEF flow meter is adjustable for pipe sizes from 100 to 900 mm and offers various output signals, including BACnet MS / TP or Modbus® RTU communication in addition to the standard analog, frequency and alarm outputs.