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Rosemount™ 225 Toroidal Conductivity Sensor
rosemount 225 toroidal conductivity sensor
The Rosemount 225 Toroidal Conductivity Sensor is intended for use in pharmaceutical and food & beverage applications where a sanitary design is required.
This conductivity sensor is corrosion and fouling resistant and is ideal for measuring the concentration of CIP solutions, detecting product/water interfaces, checking product quality, and monitoring eluents in chromatographic separations.
Rosemount™ 225 Toroidal Conductivity Sensor


Maximum Temperature
Glass-filled PEEK Sensor & Unfilled Tefzel™ Sensor: 230 °F (110 °C) / 200 psig (1480 kPa [abs])
Unfilled PEEK Sensor: 266 °F (130 °C) / 200 psig (1480 kPa [abs])
Measurement Range
200 μS/cm - 2 S/cm
Cable Length: 20 ft (6.1 m)


  • Meets various sanitary requirements:
    • USP Class VI compliant
    • FDA food contact 21CFR177.2415 compliant
    • 3-A Sanitary Standard 74-06 compliant
  • 2-inch tri-clamp process connection
  • Robust measurements - insensitive to process flow and direction
  • Meet application compatibility requirements with a selection of chemical resistant body options including PEEK and Tefzel