Name: Cleanfit CPA871
Brand: Endress+Hauser
Availability: InStock

Manual or automatic retractable assembly Cleanfit CPA871

Flexible process assembly for the water & wastewater and chemical industries

Various options for flexible adaption to any process.

Manual or automatic retractable assembly Cleanfit CPA871

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

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

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

The PEEK version of Cleanfit CPA871 resists corrosive media.

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Manual or automatic retractable assembly Cleanfit CPA871

Flexible process assembly for the water & wastewater and chemical industries

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Benefits

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.

Services and resources

Product Support Product documentation, troubleshooting articles, device details and more.

Manufacturer's warranty

Engineered for confidence

Our instruments are designed for long‑lasting performance, precise measurement, and dependable operation in demanding industrial environments. Each product includes a standard manufacturer’s warranty that reflects our commitment to quality and to the trust you place in our solutions.

Should a warranty case occur, the device will be assessed and the applicable remedy will be provided in line with the warranty terms – helping ensure a reliable and efficient resolution and supporting continued operation of your measurement point.

Request for extended warranty

If you require extended warranty coverage, simply contact your local Endress+Hauser representative. Our experts will advise you on the available options to match your application and risk profile, helping you protect your investment, reduce unexpected repair costs, and ensure reliable long‑term operation beyond the manufacturer's warranty period.

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Warranty terms apply

The manufacturer's warranty and extended warranty are subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.

Services by your side

Right‑first‑time commissioning, worldwide

Endress+Hauser’s qualified service engineers ensure your measurement devices are commissioned right the first time, delivering application‑aligned accuracy, regulatory compliance, and operational confidence from startup onwards, anywhere in the world.

Remote support you can trust wherever you operate

With Endress+Hauser Smart Support, you benefit from faster issue resolution, higher uptime, reliable global expertise across the entire product lifecycle – and lasting peace of mind.

Committed to long‑term, sustainable performance

With deep field expertise, harmonized processes, and continuous monitoring, we accompany you with comprehensive service offerings – from initial start‑up through instrumentation maintenance to process optimization – as a true lifetime partner delivering improved outcomes.

For additional information, please contact your local Endress+Hauser representative.

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24/7 customer portal

Personalized transaction space

Check prices and delivery times, save your favorite products, create quotes and place orders in just a few clicks and track deliveries at any time. With access to your complete order and quote history including all relevant documents you benefit from full transparency throughout the entire process.

Easy access to technical documentation

Select and download all technical documentation such as operating manuals, calibration certificates, approvals and CAD drawings conveniently bundled as a complete documentation package for your entire order or quote.

My Endress+Hauser – all in one place

My Endress+Hauser is your 24/7 connection to Endress+Hauser – in the office, in the field or on the go. It brings together transaction management, documentation and software downloads, knowledge base access, customer support, engineering tools and cloud‑based IIoT services helping you work easier, faster and more efficiently.

Selection of compatible products

Liquiline Control CDC90 is an automatic cleaning and calibration system for pH and ORP sensors.

Cleaning and calibration system Liquiline Control CDC90

Fully automatic system for pH and ORP measuring points in many industries

Spare parts and accessories

further parts

Spare parts CPA871, all materials

further parts

Order code XPC0003-

further parts

Spare parts CPA871, material PP

further parts

Order code XPC0002-

further parts

Spare parts CPA871, material 1.4404

further parts

Order code XPC0004-

further parts

Spare parts CPA871, material 2.4602

further parts

Order code XPC0005-

Spare parts and accessories

Production of assemblies

The safety and operating comfort of an analytical measuring point starts with using the right assembly. Our flexible assembly production ensures that you get the right assembly for your needs.

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Configuration details

Cleanfit CPA871 is the flexible retractable process assembly for reliable operation.

Retractable pH/ORP and oxygen assembly

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CAD Drawings

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Spare parts and accessories

further parts

Spare parts CPA871, all materials

further parts

Order code XPC0003-

further parts

Spare parts CPA871, material PP

further parts

Order code XPC0002-

further parts

Spare parts CPA871, material 1.4404

further parts

Order code XPC0004-

further parts

Spare parts CPA871, material 2.4602

further parts

Order code XPC0005-

Spare parts and accessories

Selection of compatible products

Cleaning and calibration system Liquiline Control CDC90

Fully automatic system for pH and ORP measuring points in many industries

Measuring principle	Potentiometric
Application	Water and wastewater including sea water, chemical industry, oil and gas, electricity and energy, hazardous areas, primaries and metals
Installation	Retractable process assembly
Characteristic	Open and closed tanks, piping
Design	Robust and safe style Manual or pneumatic
Material	Seals: EPDM, FPM (Viton) or FFKM Immersion tube, process connection, service chamber: Stainless steel 1.4404 Ra < 0.76, PEEK, Alloy C22 Ra <0.76, PVDF, conductive PVDF
Dimension	Immersion depth: 32.2 to 188.6 mm (1.27 to 7.40 inch), depending on process adaption
Process temperature	-10 to 140 °C (14 to 284 °F) for all materials except PVDF and conductive PVDF -10 to 100 / 90 °C (14 to 212 / 194 °F) for PVDF and conductive PVDF materials
Process pressure	Stainless steel, Alloy C22, PEEK: 16 bar up to 140 °C (232 psi up to 284 °F) PVDF, conductive PVDF: Basic version: 16 bar up to 100 °C (232 psi up to 212 °F) Immersion chamber version: 4 bar to 90 °C (58 psi up to 194 °F)
Connection	Clamp 2", ISO2852, ASME BPE-2012, Clamp 2½", Flange DN 40, DN50, DIN65, DN80, EN1092-1, ASME B16.5, 10K50, JIS B2220, 10K80, Thread NPT 1½", Thread ISO 228 G1¼
Measuring principle	Sensor ORP / Redox
Application	Water and wastewater including sea water, chemical industry, oil and gas, electricity and energy, hazardous areas, mining, minerals & metals
Installation	Retractable process assembly
Characteristic	Open and closed tanks, piping
Design	Robust and safe style Manual or pneumatic
Material	Seals: EPDM, FPM (Viton) or FFKM Immersion tube, process connection, service chamber: Stainless steel 1.4404 Ra < 0.76, PEEK, Alloy C22 Ra <0.76, PVDF, conductive PVDF
Dimension	Immersion depth: 32.2 to 188.6 mm (1.27 to 7.40 inch), depending on process adaption
Process temperature	-10 to 140 °C (14 to 284 °F) for all materials except PVDF and conductive PVDF -10 to 100 / 90 °C (14 to 212 / 194 °F) for PVDF and conductive PVDF materials
Process pressure	Stainless steel, Alloy C22, PEEK: 16 bar up to 140 °C (232 psi up to 284 °F) PVDF, conductive PVDF: Basic version: 16 bar up to 100 °C (232 psi up to 212 °F) Immersion chamber version: 4 bar to 90 °C (58 psi up to 194 °F)
Connection	Clamp 2", ISO2852, ASME BPE-2012, Clamp 2½", Flange DN 40, DN50, DIN65, DN80, EN1092-1, ASME B16.5, 10K50, JIS B2220, 10K80, Thread NPT 1½", Thread ISO 228 G1¼
Measuring principle	Amperometric oxygen measurement
Application	Water and wastewater including sea water, chemical industry, oil and gas, electricity and energy, hazardous areas, mining, minerals & metals
Installation	Retractable process assembly
Characteristic	Open and closed tanks, piping
Design	Robust and safe style Manual or pneumatic
Material	Seals: EPDM, FPM (Viton) or FFKM Immersion tube, process connection, service chamber: Stainless steel 1.4404 Ra < 0.76, PEEK, Alloy C22 Ra <0.76, PVDF, conductive PVDF
Dimension	Immersion depth: 32.2 to 188.6 mm (1.27 to 7.40 inch), depending on process adaption
Process temperature	-10 to 140 °C (14 to 284 °F) for all materials except PVDF and conductive PVDF -10 to 100 / 90 °C (14 to 212 / 194 °F) for PVDF and conductive PVDF materials
Process pressure	Stainless steel, Alloy C22, PEEK: 16 bar up to 140 °C (232 psi up to 284 °F) PVDF, conductive PVDF: Basic version: 16 bar up to 100 °C (232 psi up to 212 °F) Immersion chamber version: 4 bar to 90 °C (58 psi up to 194 °F)
Connection	Clamp 2", ISO2852, ASME BPE-2012, Clamp 2½", Flange DN 40, DN50, DIN65, DN80, EN1092-1, ASME B16.5, 10K50, JIS B2220, 10K80, Thread NPT 1½", Thread ISO 228 G1¼

Manual or automatic retractable assembly Cleanfit CPA871

Manual or automatic retractable assembly Cleanfit CPA871

Product information

Selection of compatible products

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Production of assemblies

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Spare parts and accessories

Selection of compatible products

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Manual or automatic retractable assembly Cleanfit CPA871

Manual or automatic retractable assembly Cleanfit CPA871

Product information

Selection of compatible products

Spare parts and accessories

Related content

Production of assemblies

Choose from our suggested options

Spare parts and accessories

Selection of compatible products

Products & Services

Industries

Support

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