EMERSON
Measurement Instrumentation
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Rosemount™ 400 Contacting Conductivity Sensor

The Rosemount 400 Contacting Conductivity Sensor, with integral cable, measures electrolytic conductivity in applications from high purity water to clean cooling water.

The Rosemount 400 Contacting Conductivity Sensor, with integral cable, accurately measures electrolytic conductivity in a broad range of applications from high purity water to clean cooling water. The Rosemount 400 conductivity sensor is ideal for use in clean, non-corrosive liquid having less than 20,000 µS/cm.

Key Features

  • Factory-measured cell constant ensures out-of-the-box accuracy and no initial calibration requirements
  • Available in cell constants of 0.01, 0.1, and 1.0/cm
  • Conductivity sensor designed for direct screw-in insertion into process piping using a front facing 3/4 inch MNPT fitting
  • Can alternatively be used with a pipe tee or flow cell in a sidestream installation
  • Conductivity sensor has concentric titanium electrodes separated by a PEEK insulator
  • EPDM O-ring seals the internal parts of the conductivity sensor from the process liquid