Direct Sensors™ sensors for water - industrial and OEM solutions



Grundfos Direct Sensors™ is an endeavour started by the Grundfos Group in 1990 with the desire to have pumps controlled by means of a differential pressure sensor for higher energy efficiency. During development, the opportunity for more than just integration or measuring dP across the pump evolved. That is why today, Direct Sensors™ stands for direct media contact sensors and transmitters able to measure flow, relative pressure, differential pressure and temperature. Our products are either sold stand alone or integrated into our pump offerings and pumping solutions (Magna 3, TPE 2000, Pressure Manager 2, etc.)

Our trademark signature is the ability to measure 2in1: flow, pressure or differential pressure combined with temperature by means of one sensor.
As well, currently our product classes cover the entire range of needed products, from the established OEM 2in1 versions sensors (VFS, RPS, DPS), to our new class of Industrial transmitters (VFI, RPI, DPI).

For more information on our sensors and transmitters, click here.


Direct Sensors™ are suitable for the following applications:

  • Solar Thermal
  • Heat Pumps
  • Plastic Injection Molding
  • Temperature Control
  • IT Cooling
  • Chillers
  • Micro-CHP
  • Fuel Cells
  • Valves
  • District Heating & Cooling, incl. Large Solar
  • Water Treatment


  • 2in1 sensors measuring Q&T, P&T, dP&T
  • No-moving parts flow sensors
  • OEM customized sensors
  • Industrial standard transmitters
  • Robust and compact



Grundfos Direct Sensors™

Flow sensors (Grundfos Direct Sensors™) (Data booklet)

The Grundfos vortex flow sensor is an integrated flow and temperature measurement system designed and validated for harsh aqueous environments. The flow measurement is based on the vortex principle. The system elements include a flow pipe with an integrated bluff body and a differential pressure detector.

Grundfosliterature-4362713.pdf (6 MB)

Direct Sensor Pressure sensors

Pressure sensors (Grundfos Direct Sensor™) (Data booklet)

The Grundfos pressure sensor ranges contain relativeand differential-pressure sensors as well as relativeand differential-pressure sensors combined with temperature measurement capable of measuring temperatures from 0 to 100 °C (32 to 212 °F). This makes Grundfos sensors suitable for a wide range of applications.

Grundfosliterature-4925253.pdf (7 MB)

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