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Manual or automatic retractable assembly Cleanfit CPA871

Flexible process assembly for the water & wastewater and chemical industries

  • ©Endress+Hauser

    A wide variety of materials and process connections are available for any application.

  • ©Endress+Hauser

    The stainless steel flange version with immersion chamber is perfectly suited for sticky media.

  • ©Endress+Hauser

    The conductive PVDF version of Cleanfit CPA871 is suitable for hazardous areas.

  • ©Endress+Hauser

    The PEEK version of Cleanfit CPA871 resists corrosive media.

Cleanfit CPA871 guarantees the highest operational safety in both standard and demanding applications. Its intelligent functions prevent any leakage of medium during operation, cleaning or calibration, offering optimum protection of the process and operating personnel. The retractable assembly flexibly adapts to your application. Be it long immersion depths in sticky media, aggressive environments or hazardous areas, you choose the right material and specification to suit your application.


  • Highest operational safety: Intelligent functions prevent the assembly from moving into the process without sensor and the sensor from moving out of the process while it is in measuring position.

  • Suitable for demanding applications: The optional immersion chamber eliminates problems due to sticky media.

  • Robust assembly design: The steel support housing guarantees mechanical stability.

  • Flexible adaption to your process: A wide variety of process connections and wetted materials are available, even for corrosive media or hazardous areas.

Field of application

Cleanfit CPA871 is a retractable assembly for pH, ORP, oxygen and NIR sensors with a diameter of 12 mm and 120/225/360 mm lengths.

It has been developed for the highest safety in:

  • Water & wastewater industry (including seawater applications)

  • Chemical industry

  • Oil & gas industry

  • Power & energy industry

  • Hazardous areas

Features and specifications

Documents / Manuals / Software

Accessories / Spare parts

Predecessor / Successor

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Endress+Hauser Instruments International AG
Middle East Support Centre 7WB-2100, Dubai Airport Free Zone P.O. Box 293828 Dubai United Arab Emirates
Tel.: +971 4 253 51 00
Tel.: +971 4 609 18 11

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