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Digital pH sensor
Ceragel CPS71D

Ceragel CPS71D - Digital pH glass sensor for demanding processes and hygienic applications ©Endress+Hauser
Ceragel CPS71D - Memosens pH glass sensor for the chemical and life sciences industries ©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 the chemical and life sciences industries

Ceragel CPS71D is the digital specialist for demanding processes and hygienic applications. Its contamination-resistant gel guarantees stable measurement even in flowing media or low conductivity. The sensor measures reliably at high temperatures and is non-toxic assuring highest safety. Thanks to Memosens digital technology, CPS71D combines maximum process and data integrity with simple operation. It resists corrosion and moisture, enables lab calibration and simplifies predictive maintenance.

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  • Benefits

    • Sensor resists strong acids and bases and high organic loads

    • Suitable for CIP/SIP and autoclaving maintaining high accuracy

    • Free from animal-based materials and from acrylamide

    • Maximum process safety through non-contact inductive signal transmission

    • ...

  • Field of application

    • Process technology and monitoring of processes with:
      - Quickly changing pH values
      - High proportion of electrode poisons such as H2S

    • Chemical industry

    • Hygienic and sterile applications:
      - Fermenters
      - Biotechnology
      - Life sciences

    With ATEX, FM, and CSA...

Features and specifications

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Details

  • Measuring principle

    Glass electrode

  • Application

    Aggressive chemical and hygienic applications, process

  • Characteristic

    Analog, digital pH single-rod measuring cells
    For chemical process, hygienic and sterile applications with an ion trap for poison-resistant reference

  • Measurement range

    pH 0 to 14

  • Measuring principle

    Ceramic diaphragm, ion-trap

  • Design

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

  • Material

    Glass and ceramic

  • Dimension

    Diameter: 12 mm (0.47 inch)
    Shaft lengths: 120, 225, 360 and 425 mm
    (4.72, 8.86, 14.2 and 16.7 inch)

  • Process temperature

    0 to 140 °C (32 to 284 °F)

  • Process pressure

    1 to 14 bar (15 to 203 psi)

  • Temperature sensor

    NTC 30k

  • Ex certification

    ATEX, FM, CSA

  • Connection

    Inductive, digital connection head with Memosens technology

  • Ingres protection

    IP68

  • Additional certifications

    3A, biocompatibility

Documents / Manuals / Software

Accessories / Spare parts

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