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Digital combined pH/ORP sensor Memosens CPS16D

Memosens glass electrode for standard applications

  • Memosens CPS16D - Combined pH/ORP sensor with dirt-repellent PTFE diaphragm ©Endress+Hauser
  • Memosens CPS16D - Detail view platinum element ©Endress+Hauser
  • Memosens CPS16D for simultaneous pH/ORP measurement ©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.

  • Memosens converts the measured value to a digital signal and transfers it to the transmitter without a contacting connection. This video shows how Memosens optimizes process control and maintenance.

Memosens CPS16D is the digital all-rounder for simultaneous pH and ORP measurement offering better process control and increased quality. The sensor features a dirt-repellent PTFE diaphragm for process and environment applications with long-term stable conditions. Thanks to Memosens digital technology, CPS16D combines maximum process and data integrity with simple operation. It resists corrosion and moisture, enables lab calibration and facilitates predictive maintenance.


  • Simultaneous measurement of pH, ORP and rH values (in rH mode) for a better process overview

  • Additional platinum electrode enables constant monitoring of reference impedance and thus sensor quality

  • Robust and resistant to poisoning thanks to large PTFE ring diaphragm and reference with ion trap

  • Suitable for harsh applications: Process glass for highly alkaline media and pressure-stable up to 17 bar (246 psi)

  • Maximum process safety through non-contact inductive signal transmission

  • Enables predictive maintenance due to storage of sensor and process-specific data

  • Reduced operating costs thanks to minimized process downtime and extended sensor lifetime

Field of application

  • Long-term monitoring or limit control in processes with stable process conditions:
    - Chemical processes
    - Pulp and paper industry
    - Power stations (e.g. flue gas cleaning)
    - Incinerator plants
    - Mining
    - Wastewater

  • Water treatment:
    - Drinking water
    - Cooling water
    - Well water

With ATEX and IEC approval for use in hazardous areas.

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