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Contacting Conductivity Cells

As Honeywell Field Product channel partners, Fluidic offer a range of conductivity cells and analysers.  For clean applications (generally µS/cm, ranges), the most common type of conductivity cell we offer is the contacting conductivity cell.  Through Honeywell, Fluidic offer the following types of contacting conductivity cells…


  • Honeywell 4973 conductivity cell with 3/4″NPT inline “flow-through” installation
  • Honeywell 4974 conductivity cell with sanitary mount inline “flow-through” installation
  • Honeywell 4905 conductivity cell for immersion type installation
  • Honeywell 4909* conductivity cell for installation through a ball valve


*Replacement cells for the Honeywell 4909 conductivity cell are available as model 4908 (without ball valve)


Honeywell contacting conductivity cells are manufactured to a high standard with the use of rugged materials. An extensive range of cell constants from 0.01 to 50 offers a range of conductivity cells to suit most applications and  ensure accurate conductivity measurements. All Honeywell conductivity cells have integral temperature compensators that are compatible with Honeywell instrumentation.  Typical applications for Honeywell conductivity instrumentation includes water treatment plants, boilers, cooling towers, CIP systems and acid/base concentration measurements.  Total Dissolved Solids (TDS) can also be determined with the use of Honeywell conductivity cells if the contents of the suspect solution are known.  For higher conductivity measurements (generally millisiemens, mS/cm, ranges) please see our range of Honeywell Toroidal conductivity cells.


Fluidic hold an exclusive channel partner agreement with Honeywell Field Products division.  Our instrumentation engineers are product trained and able to help with instrument selection within the full Honeywell Field Product instrumentation portfolio.  This includes accompanying pH, ORP, conductivity or DO instrumentation.  Fluidic order directly with the factory via an exclusive channel partner web portal and hold stock for some common lines.  Please contact either office for more information (Glasgow 0141 641 5920 or Warrington 01925 572401).




  • Download Contacting Conductivity Cells Datasheet
  • Download 4905 Contacting Conductivity Cells Manual
  • Download 4973 (NPT) Contacting Conductivity Cells Manual
  • Download 4974 (Sanitary) Contacting Conductivity Cells Manual
  • Download 4909 (Stainless Steel version) Contacting Conductivity Cells Manual
  • Download 4909 (CPVC version) Contacting Conductivity Cells Manual
  • Download On-Line Water Chemistry Measurements for Power Plants
  • Download Honeywell Analytical Instrumentation Brochure
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