OPTIFLUX 4040 C 2-Wire Electromagnetic Flowmeter From KROHNE

OPTIFLUX 4040 C, 2-Wire, Electromagnetic Flowmeter, KROHNE2-wire solution

  • 2-wire connection without additional cabling

  • As dynamic, reliable and accurate as a 4-wire EMF

  • Unimpeded pipe cross-section

  • No additional pressure loss

  • Minimum conductivity 5 µS/cm

  • Intrinsically safe connection

OPTIFLUX 4040 C is an electromagnetic flowmeter in 2-wire technology with the dynamics, reliability and accuracy of a 4-wire EMF.

OPTIFLUX 4040 C is suitable for steady or pulsating flows.


  • 2-wire EMF with 4-wire functionality

  • Reliable readings even in case of pulsating or fast changing flows due to rapid signal processing

  • Low power consumption and operating costs

  • Protection classes "I", "e" or "d" selectable by the user during installation

  • The only 2-wire electromagnetic flowmeter suitable for conductivities down to 5 µS/cm


  • Chemicals

  • Iron, Steel & Metals

  • Minerals & Mining

  • Pharmaceuticals

  • Power Plants

  • Pulp & Paper

  • Water

  • Wastewater


  • Pulsating flows

  • For aggressive chemicals

  • For products with high solid contens

  • Suitable for control loop applications