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Analog pH sensor Purisys CPF201

Compact electrode for power and life sciences industries

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Analog pH sensor Purisys CPF201

Compact electrode for power and life sciences industries

Get a quote

Benefits

  • Stable pH reading and response
  • Elimination of flow dependency errors
  • Patented porous PTFE reference junction
  • Easy installation
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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Product information

Purisys CPF201 - Compact analog pH sensor for pure and ultrapure water
Compact analog pH sensor
Specifications
Measuring / Application task pH
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Description

Purisys CPF201 is the specialist for pure and ultrapure water. Its integrated stainless steel assembly provides stable and flow-independent measurement at lowest conductivities. Purisys ensures optimum water quality and guarantees highest safety of your products or assets.

Field of application
  • Boiler feed water
  • Power plant applications
  • Pharmaceutical water for injection
Benefits
  • Stable pH reading and response
  • Elimination of flow dependency errors
  • Patented porous PTFE reference junction
  • Easy installation
Downloads
Most downloaded
Technical Information (TI)
Technical Information Compact pH Electrode PuriSys CPF 201 Compact electrode for pH measurement in pure and
ultrapure water
English version - 06/2003
Download
Components sheet
Components Sheet for CPF201 Kit: seal Kit Components Sheet for CPF201 Kit: seal Kit
English version - 01/2026
Download
Components sheet
Components Sheet for CPF201 Kit: Fitting VA AD6mm Components Sheet for CPF201 Kit: Fitting VA AD6mm
English version - 01/2026
Download
The CAD Drawings will be available after the configuration.
All downloads
6 Downloads
Technical Information (TI)
Most downloaded
Technical Information Compact pH Electrode PuriSys CPF 201 Compact electrode for pH measurement in pure and
ultrapure water
English version - 06/2003
Download
Components sheet
Components Sheet for CPF201 Kit: seal Kit Components Sheet for CPF201 Kit: seal Kit
English version - 01/2026
Download
Components sheet
Components Sheet for CPF201 Kit: Fitting VA AD6mm Components Sheet for CPF201 Kit: Fitting VA AD6mm
English version - 01/2026
Download
Components sheet
Components Sheet for CPF201 Kit: Mounting plate Components Sheet for CPF201 Kit: Mounting plate
English version - 01/2026
Download
Components sheet
Components Sheet for CPF201 Kit: Fitting Cover w. Accessoires Components Sheet for CPF201 Kit: Fitting Cover w. Accessoires
English version - 01/2026
Download
Components sheet
Components Sheet for CPF201 Kit: Fitting VA 1.4 Components Sheet for CPF201 Kit: Fitting VA 1.4
English version - 01/2026
Download

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Spare parts and accessories

further parts
further parts

Kit CPF201 backplane with accessories

further parts
further parts
Order code 51512788
further parts
further parts

Kit CPF201 complete set of gaskets

further parts
further parts
Order code 51512789
further parts
further parts

Kit CPF201 Fitting VA, OD 6 mm, 2 pcs.

further parts
further parts
Order code 51512792
further parts
further parts

Kit CPF201 Fitting VA, 1/4", 2 pcs.

further parts
further parts
Order code 51512793
Spare parts and accessories
Purisys CPF201 - Compact analog pH sensor for pure and ultrapure water
Compact analog pH sensor

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Purisys CPF201 - Compact analog pH sensor for pure and ultrapure water
Compact analog pH sensor
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Spare parts and accessories

further parts
further parts

Kit CPF201 backplane with accessories

further parts
further parts
Order code 51512788
further parts
further parts

Kit CPF201 complete set of gaskets

further parts
further parts
Order code 51512789
further parts
further parts

Kit CPF201 Fitting VA, OD 6 mm, 2 pcs.

further parts
further parts
Order code 51512792
further parts
further parts

Kit CPF201 Fitting VA, 1/4", 2 pcs.

further parts
further parts
Order code 51512793
Spare parts and accessories

Selection of compatible products

/