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Digital ORP sensor
Ceragel CPS72D

Ceragel CPS72D - Digital ORP glass sensor for demanding processes and sterile applications ©Endress+Hauser
Ceragel CPS72D - Memosens ORP glass sensor for the chemical and life sciences industries ©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 the chemical and life sciences industries

Ceragel CPS72D 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, CPS72D 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 ORP values
      - High proportion of electrode poisons such as H2S

    • Chemical processes

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

    With ATEX, FM, and CSA...

Features and specifications



  • Measuring principle

    Sensor ORP / Redox

  • Application

    - Hygiene and sterile applications.- Pharmaceuticals, biotechnology, fermenters, contaminating media.

  • Characteristic

    - Digital electrode with Memosens-Technology.- Gel-compact-electrode with ceramic diaphragm.- Platinum-cap- CIP/SIP and autoclavable- high accuracy

  • Measurement range

    -1500mV - +1500mV

  • Measuring principle

    - ceramic diaphragm- double chamber and double gel reference- Platinum-ring

  • Dimension

    Diameter : 12mmShaft length : 120,225,360mm

  • Process temperature

    -15°C - 140°C

  • Process pressure

    max. 16bar

  • Ex certification


  • Connection

    Inductive transmission of digital measuring signals.

  • Ingres protection


  • Additional certifications


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