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Analog pH sensor
Purisys CPF201

Compact electrode for power and life sciences industries

  • ©Endress+Hauser
  • ©Endress+Hauser
  • The pH-value of a liquid can be calculated using the potentiometric measurement principle. This video shows what it is about and how this measuring principle works.

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.


  • Stable pH reading and response

  • Elimination of flow dependency errors

  • Patented porous PTFE reference junction

  • Easy installation

Field of application

  • Boiler feed water

  • Power plant applications

  • Pharmaceutical water for injection

Features and specifications

Documents / Manuals / Software

Accessories / Spare parts

Success stories


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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