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Digital combined pH/ORP sensor Memosens CPS16D

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 glass electrode for standard applications

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.

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  • Benefits

    • 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...

  • 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

Features and specifications



  • Measuring principle

    Glass electrode

  • Application

    Standard applications in process and environment, long-term monitoring, processes with stable conditions, water treatment

  • Characteristic

    Combination of pH and ORP electrode for standard applications in process technology and environmental engineering
    Poison-resistant reference with ion trap

  • Measuring principle

    Gel compact electrode with PTFE ring-diaphragm with ion trap
    Pt-disc as additional ORP element
    rH measurment and control of the reference impedance

  • Design

    All shaft lengths with temperature sensor
    Advanced gel technology
    Digital electrode with Memosens technology

  • Material

    Glass and PTFE

  • Dimension

    Diameter: 12 mm (0.47 inch)
    Shaft Lengths: 120, 225 and 360 mm
    (4.72, 8.86 and 14.17 inch)

  • Process temperature

    0 to 135 °C (32 to 275 °F)

  • Process pressure

    1 to 17 bar (15 to 246 psi)

  • Temperature sensor

    NTC 30KΩ

  • Connection

    Inductive, digital connection head with Memosens technology

  • Ingres protection


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