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Digital pH sensor
Memosens CPS11E

Memosen CPS11E - Digital pH sensor for standard applications with stable process conditions ©Endress+Hauser
Memosens CPS11E with ion trap, suitable for hazardous areas ©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 2.0 pH electrode for standard applications in process and water & wastewater industries

Memosens CPS11E is the digital all-rounder for stable processes. It measures reliably even in extreme pH ranges or hazardous areas. Thanks to Memosens 2.0 digital technology, the pH sensor resists moisture and enables lab calibration, increasing process safety and simplifying operation. Its extended storage of calibration and process data provides the perfect basis for predictive maintenance. Designed for a long operating life and low maintenance, Memosens CPS11E offers you best value for money.

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Meet your basic measurement needs

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Handle your core processes easily

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Optimize your processes with innovative technologies

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Master your most challenging applications

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Variable

  • Specs at a glance

    • Measurement range

      Application A
      • pH: 1 to 12
      Application B
      • pH: 0 to 14
      Application F
      • pH: 0 to 10

    • Process temperature

      Application A: –15 to 80 °C (5 to 176 °F)
      Application B: 0 to 135 °C (32 to 275 °F)
      Application F: 0 to 70 °C (32 to 158 °F)

    • Process pressure

      Applications A and B:
      0.8 to 17 bar (11.6 to 246.5 psi) absolute
      Application F:
      0.8 to 7 bar (11.6 to 101.5 psi) absolute

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  • Benefits

    • IIoT ready: Memosens 2.0 offers extended storage of calibration and process data, enabling better trend identification and providing a future-proof basis for predictive maintenance and enhanced IIoT services.

    • Low operating costs: Lab calibration and...

  • Field of application

    • Long-term monitoring and limit monitoring of processes with stable process conditions:
      - Chemical industry
      - Pulp & paper industry
      - Power plants (e.g. flue gas washers, boiler feed water)
      - Incineration plants

    • Water & wastewater treatment:
      - Drinking...

Features and specifications

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Details

  • Measuring principle

    Potentiometric

  • Application

    Long-term monitoring and limit control in processes with stable process conditions

    Water and wastewater treatment

  • Characteristic

    Digital pH electrode for standard applications in process and environmental technology with dirt-repellent PTFE ring junction and built-in temperature sensor

  • Measurement range

    Application A

    • pH: 1 to 12

    Application B

    • pH: 0 to 14

    Application F

    • pH: 0 to 10

  • Measuring principle

    Gel compact electrode with PTFE ring junction

  • Design

    All shaft lengths with temperature sensor
    Advanced gel technology

  • Material

    Sensor shaft: Glass to suit process

    pH membrane glass: Type A, B, F

    Metal lead: Ag/AgCl

    Aperture: Ring-shaped PTFE junction, sterilizable

    O-ring: FKM

    Process coupling: PPS fibre-glass reinforced

    Nameplate: ceramic metal oxide

  • Dimension

    Diameter: 12 mm (0.47 inch)
    Shaft length: 120, 225, 360 and 425 mm
    (4.72, 8.86, 14.17 and 16.73 inch)

  • Process temperature

    Application A: –15 to 80 °C (5 to 176 °F)

    Application B: 0 to 135 °C (32 to 275 °F)

    Application F: 0 to 70 °C (32 to 158 °F)

  • Process pressure

    Applications A and B:
    0.8 to 17 bar (11.6 to 246.5 psi) absolute

    Application F:
    0.8 to 7 bar (11.6 to 101.5 psi) absolute

  • Temperature sensor

    NTC 30K

  • Ex certification

    With ATEX, IECEx, CSA C/US, NEPSI, Japan Ex and INMETRO approvals for use in
    hazardous areas Zone 0, Zone 1 and Zone 2

  • Connection

    Inductive, digital connection head with Memosens 2.0 technology

  • Ingres protection

    IP68

  • Additional certifications

    Additional certifications

Documents / Manuals / Software

Accessories / Spare parts

Nr
Order code
Specification
    • Order code 71038228

      Memoclip label Memosens sensor

      for assignment of sensors to measuring loop. 100 sensor clips with printable labels

    • Order code CPY20-

      Technical buffer solution CPY20

      pH quality buffer solution, referenced to primary reference material of PTB and standard reference material of NIST. in DAkkS accredited buffer Laboratory.

    • Order code CPY4-

      KCL-Electrolyte solution CPY4

      For liquid filled electrodes

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