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Turbidity sensor
Turbimax CUS31

Sensor for turbidity measurement in water applications

  • ©Endress+Hauser
  • ©Endress+Hauser
  • ©Endress+Hauser
  • ©Endress+Hauser
  • ©Endress+Hauser
  • ©Endress+Hauser
  • ©Endress+Hauser
  • ©Endress+Hauser

Turbimax CUS31 is an installation and immersion sensor for drinking water and industrial water according to the 90° scattered light method.


  • Measurement under pressure to avoid degassing

  • Inclined plain sensor surface uses medium flow to increase the self-cleaning effect and repels air bubbles

  • Self-monitoring and plausibility check

  • Scratch-resistant sapphire glass measuring window

  • Factory calibration ("plug and play”")

Field of application

  • All phases of drinking water processing

  • Coagulation and flocculation

  • Filter rupture monitoring

  • Filter backwash

  • Control of clear rinsing cycles

  • Monitoring of phase separation processes

  • Boiler feedwater

  • Monitoring of cooling water

  • Monitoring of surface water

  • Outlet monitoring of sewage treatment plants

  • Monitoring of industrial water discharge

  • Recycling of industrial water

Features and specifications

Documents / Manuals / Software

Accessories / Spare parts

Predecessor / Successor

Predecessor: CUD3, CUS1

Successor: Turbimax CUS52D

Success stories


Endress+Hauser AG
Kägenstrasse 2 4153 Reinach BL Switzerland
Tel.: +41 61 715 7700
Fax: +41 61 715 2888
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