Signet Conductivity/Resistivity Sensors

Signet Conductivity/Resistivity Sensors

Signet Conductivity/Resistivity Sensors are built to deliver a wide range of installation and detailed sensing over a broad dynamic range. Electrodes are added with a managed surface finish to guarantee precision and repeatability. Other materials are incorporated for optimal chemical compatibility. Due to the cutting-edge features of Signet Instruments, optimal conductivity/resistivity sensing can be achieved for more than three decades without the requirement for unwanted electrode platinization.

Signet 2818-2823 Electrodes


  • In-line or submersible mounting
  • ¾" NPT Polypro
  • Standard process connections
  • Tri-clamp 1 -1 1/2", 2"
Signet 2850 Sensor Electronics


  • Choice of 0.01, 0.1, 1.0, 10.0 or 20.0 cm-1 cell constants
  • Resistivity range of 18.2-10 megaohm-cm
  • Conductivity range of 0.055 to 400,000 µS
  • Dual or single 4 to 20 mA

Pure Aqua has over 20 years of experience as a global provider of Signet Conductivity/Resistivity Sensors. These instruments are accessible in multiple models for optimum versatility in deployment.

The resistivity and conductivity sensors utilize the leading technologies from Signet to provide users with sophisticated instruments that do not require expensive equipment and local display features. These sensors incorporate beneficial options that improve productivity and allow the operator to make his/her own decision such as the capability of choosing to invert each range of the electrode cell constant. There is also a comprehensive assembly of electrode connectors which create a immersible and aligned installations.