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E-direct complements our traditional offering by providing you with a quick, effective way to purchase easy-to-configure, entry-level instrumentation.

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Manual or automatic retractable assembly Cleanfit CPA471

Compact assembly for water & wastewater as well as chemical industries

  • CPA471 retractable assembly is designed for installation in tanks or pipes where space is limited. ©Endress+Hauser
  • Cleanfit CPA471 - Detail sensor holder ©Endress+Hauser

The compact Cleanfit CPA471 is designed for installation in tanks or pipelines where space is limited. Its piston together with O-ring seals guarantees reliable separation from the process and allows you to replace the sensor without interrupting the process. Clean and calibrate the sensors automatically via the optional electric or pneumatic control system and benefit from an extended sensor operating life.


  • Compact design suitable for space-limited environments

  • No process interruption for electrode cleaning and calibration – saves maintenance time and costs

  • Extended operating life of electrodes due to automatic cleaning

  • High operating safety through reliable separation from process by stop bolt and O-ring seals

  • Flexible adaptation to all applications by great variety of materials and process connections

Field of application

Cleanfit CPA471 is intended for installation in tanks and pipes in:

  • Chemical industry

  • Wastewater treatment

  • Power plants

It is suitable for use with pressures up to 4 bar (manual) or 10 bar (pneumatic).

Features and specifications

Documents / Manuals / Software

Accessories / Spare parts

Predecessor / Successor

Predecessor: CPA463S

Successor: Cleanfit CPA871

Success stories


Endress+Hauser Ltd
Floats Road M23 9NF Manchester United Kingdom
Tel.: +44 161 286 5000
Fax: +44 161 998 1841

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