Digital pH Sensor for Drinking Water and Water Treatment

The Endress+Hauser CPS31E is a digital pH sensor specially designed for reliable pH measurement in drinking water, swimming pools and water treatment applications.

The sensor combines proven pH measurement technology with Memosens 2.0 digital communication, providing reliable data management and simplified maintenance.

It is optimized for applications where accurate pH monitoring is essential for maintaining water quality and effective disinfection control.

Designed for Water Quality Monitoring

The CPS31E is developed for applications requiring stable pH measurement in clean water environments.

Typical measurement tasks include:

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  Drinking water monitoring
  
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  Swimming pool water control
  
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  Disinfection process monitoring
  
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  Water treatment processes
  

Accurate pH measurement helps maintain effective treatment conditions and supports reliable water quality management.

Memosens 2.0 Digital Technology

The CPS31E uses Memosens 2.0 technology, allowing digital storage and transfer of important sensor information.

Benefits include:

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  Calibration data stored inside the sensor
  
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  Easy sensor exchange
  
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  Improved measurement traceability
  
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  Reduced commissioning time
  
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  Simplified maintenance management
  

The sensor can be calibrated under controlled conditions before installation, reducing service time at the measurement point.

Reliable Performance with Low Maintenance

The CPS31E is designed for long-term operation in water applications where reliable measurement and reduced maintenance are important.

Advantages include:

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  Stable pH measurement
  
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  Robust sensor construction
  
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  Long service intervals
  
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  Reliable operation in continuous monitoring applications
  

Easy Integration with Liquiline Systems

The CPS31E can be connected to compatible Endress+Hauser Liquiline transmitters through Memosens digital communication.

This provides a complete liquid analysis solution with:

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  Digital sensor management
  
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  Reliable data transmission
  
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  Efficient calibration workflows
  
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  Simplified maintenance procedures
  

Key Features

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  Digital pH sensor
  
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  Designed for drinking water and swimming pool applications
  
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  Memosens 2.0 digital technology
  
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  Reliable pH measurement for water treatment
  
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  Stable performance in low-conductivity water
  
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  Long operating life
  
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  Easy calibration and sensor replacement
  
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  Reduced maintenance effort
  
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  Compatible with Liquiline transmitters
  
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  Suitable for continuous water quality monitoring
  

Technical Specifications

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  Measurement parameter: pH value
  
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  Sensor type: Digital glass pH electrode
  
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  Communication technology: Memosens 2.0
  
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  Application: Drinking water, swimming pools and water treatment
  
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  Temperature measurement: Integrated temperature sensor
  
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  Sensor connection: Memosens plug-in connection
  
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  Installation: Immersion, flow or retractable assemblies
  
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  Compatible transmitters: Endress+Hauser Liquiline transmitters
  

Typical Applications

Drinking Water Treatment

The CPS31E is used for continuous pH monitoring in drinking water processes.

Typical applications:

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  Water quality control
  
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  Disinfection monitoring
  
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  Treatment process optimization
  

Swimming Pool Water Monitoring

The sensor supports reliable pH measurement for maintaining proper water conditions in swimming pools.

Applications include:

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  Chlorine dosing control
  
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  Water balance monitoring
  
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  Pool water quality management
  

Water Treatment Plants

Suitable for monitoring pH values in:

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  Filtration processes
  
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  Chemical dosing systems
  
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  Clean water treatment processes
  

Utility Water Systems

Used in industrial and municipal water systems where stable pH measurement is required.

FAQ

What is Endress+Hauser CPS31E?

The CPS31E is a digital pH sensor designed for drinking water, swimming pools and water treatment applications.

What does CPS31E measure?

CPS31E measures the pH value of water-based liquids.

Does CPS31E use Memosens technology?

Yes. CPS31E uses Memosens 2.0 technology for digital communication, calibration data storage and easier sensor management.

What is the difference between CPS31E and CPS11E?

CPS31E is optimized for drinking water and pool water applications, while CPS11E is a more general-purpose pH sensor for standard industrial applications.

Where is CPS31E commonly used?

It is mainly used in drinking water treatment, swimming pools, water quality monitoring and disinfection processes.