EMERSON
Measurement Instrumentation
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Rosemount™ 400VP Contacting Conductivity Sensor

The Rosemount 400VP Contacting Conductivity Sensor accurately measures electrolytic conductivity in applications from high purity to clean cooling water.

The Rosemount™ 400VP Contacting Conductivity Sensor delivers reliable, accurate liquid conductivity measurement with a durable design, easy maintenance via VP connectivity, and seamless integration for improved process control across water, chemical, and industrial applications.

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
  • Comes with Variopol (VP6) quick disconnect fitting
  • 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
  • Available with a high temperature option up to 392 °F (200 °C) with integral junction box