Hygienic Digital pH Sensor with ISFET Technology

The Endress+Hauser CPS77E is a digital pH sensor based on ISFET (Ion Sensitive Field Effect Transistor) technology, designed specifically for hygienic applications.

Unlike conventional glass pH electrodes, ISFET sensors use a semiconductor measuring element instead of glass, providing excellent mechanical robustness and making them suitable for applications where glass breakage must be avoided.

The CPS77E combines ISFET technology with Memosens 2.0 digital communication, providing reliable measurement performance and simplified sensor management.

Designed for Food, Pharmaceutical and Biotechnology Applications

The CPS77E is optimized for hygienic processes where cleanliness, safety and reliability are critical.

Typical applications include:

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  Food and beverage production
  
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  Pharmaceutical manufacturing
  
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  Biotechnology processes
  
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  Fermentation applications
  
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  Hygienic process monitoring
  

Its robust design makes it suitable for applications requiring frequent cleaning and sterilization cycles.

ISFET Technology for Safe and Fast Measurement

The ISFET measuring principle replaces the traditional glass membrane with a semiconductor-based sensor element.

Key advantages include:

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  No risk of glass breakage
  
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  Fast response characteristics
  
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  High mechanical stability
  
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  Suitable for hygienic applications
  
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  Reliable performance during temperature changes
  

This makes the CPS77E especially suitable for processes where product contamination risks must be minimized.

CIP and SIP Compatible Design

The CPS77E is designed for hygienic processes involving cleaning and sterilization procedures.

Benefits include:

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  Suitable for CIP (Clean-in-Place) processes
  
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  Suitable for SIP (Sterilization-in-Place) processes
  
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  Reliable operation under repeated cleaning cycles
  
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  Reduced maintenance requirements
  

Memosens 2.0 Digital Technology

With Memosens 2.0 technology, the CPS77E provides advanced digital sensor management.

Advantages include:

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  Calibration data stored in the sensor
  
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  Easy sensor replacement
  
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  Secure digital data transmission
  
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  Improved measurement traceability
  
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  Simplified maintenance planning
  

Key Features

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  Digital ISFET pH sensor
  
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  Designed for hygienic applications
  
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  Glass-free semiconductor measuring element
  
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  Memosens 2.0 digital technology
  
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  High mechanical stability
  
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  Fast response time
  
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  CIP and SIP compatible
  
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  Suitable for food, pharmaceutical and biotechnology industries
  
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  Easy calibration and sensor replacement
  
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  Compatible with Liquiline transmitters
  

Technical Specifications

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  Measurement parameter: pH value
  
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  Sensor type: Digital ISFET pH sensor
  
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  Measuring principle: ISFET semiconductor technology
  
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  Communication technology: Memosens 2.0
  
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  Application: Hygienic and sterile processes
  
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  Cleaning compatibility: CIP and SIP processes
  
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  Temperature measurement: Integrated temperature sensor
  
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  Sensor connection: Memosens plug-in connection
  
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  Installation: Flow, immersion or retractable assemblies
  
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  Compatible transmitters: Endress+Hauser Liquiline transmitters
  

Typical Applications

Food and Beverage Industry

The CPS77E is suitable for hygienic food production processes requiring safe pH measurement.

Applications include:

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  Fermentation monitoring
  
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  Beverage production
  
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  Dairy processing
  
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  Cleaning process control
  

Pharmaceutical Industry

Used in pharmaceutical processes where contamination prevention and reliable measurement are essential.

Typical applications:

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  Bioreactors
  
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  Process monitoring
  
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  Cleaning validation processes
  

Biotechnology

The CPS77E supports pH monitoring in sensitive bioprocess applications.

Applications include:

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  Fermentation processes
  
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  Cell culture monitoring
  
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  Bioprocess control
  

Hygienic Process Systems

Suitable for applications requiring:

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  Frequent cleaning cycles
  
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  Sterile operation
  
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  High measurement reliability
  

FAQ

What is Endress+Hauser CPS77E?

The CPS77E is a digital ISFET pH sensor designed for hygienic applications in food, pharmaceutical and biotechnology industries.

What is ISFET technology?

ISFET technology uses a semiconductor-based measuring element instead of a traditional glass pH membrane, providing high mechanical stability and resistance to breakage.

What is the difference between CPS77E and conventional pH sensors?

Compared with glass pH sensors, CPS77E provides higher mechanical robustness and is suitable for applications where glass breakage is a concern.

Is CPS77E suitable for CIP and SIP?

Yes. CPS77E is designed for hygienic applications requiring cleaning and sterilization processes.

Does CPS77E use Memosens technology?

Yes. CPS77E uses Memosens 2.0 technology for digital communication and sensor management.