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Digital ORP sensor
Orbisint CPS12D

Orbisint CPS12D - Digital ORP glass electrode for standard applications ©Endress+Hauser
Orbisint CPS12D - Available with gold pin or platinum element ©Endress+Hauser

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

Orbisint CPS12D is the digital all-rounder for process and environment technology. It measures reliably and accurately even in hazardous areas. Designed for low maintenance and a long operating life, the electrode offers you best value for money. Thanks to Memosens digital technology, CPS12D 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

    • Robust electrode with long poison diffusion path, requires low maintenance due to large, dirt-repellent PTFE ring diaphragm

    • Suitable for harsh applications: Process glass for highly alkaline media and pressure-stable up to 16 bar (232 psi)

    • Various...

  • Field of application

    • Long-term monitoring and limit monitoring of processes with stable process conditions:
      - Chemical industry
      - Paper industry
      - Power plants (e.g. flue gas washers)
      - Incineration plants

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


Features and specifications



  • Measuring principle

    Sensor ORP / Redox

  • Application

    Standard applications in process and environment
    Long-term monitoring of quiet stable processes

  • Characteristic

    Digital, contactless electrode with Memosens technology
    Very robust, heavy-duty applications, high pressure version

  • Measurement range

    -1500 mV to +1500 mV

  • Measuring principle

    Gel compact electrode with teflon diaphragm and double gel reference
    Measuring part as gold-pin or platin ring

  • Design

    All shaft lengths with temperature sensor

    Advanced gel technology

    Inductive, digital data transfer with Memosens technology

  • Material

    Glass electrode with teflon diaphragm

  • Dimension

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

  • Process temperature

    -15 to 135 °C
    (5 to 275 °F)

  • Process pressure

    0 to 16 bar
    (0 to 232 psi)

  • Temperature sensor

    NTC 30k

  • Ex certification

    ATEX II 1G EEX ia IIC T3/T4/T6

    FM/CSA Class 1 Div.2, in combination with CM42 and CPM153 transmitters

  • Ingres protection


  • Additional certifications

    Biocompatibility validated according to ISO 10993-5:1993 and USP(current version)
    TÜV certificate for pressure resistance up to 16 bar with triple overpressure safety
    Electromagnetic compatibility complies with EN 61326:1997

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