Endress+Hauser Memosens CPS11E Digital pH Sensor

$335.00


The Endress+Hauser Memosens CPS11E is a digital pH sensor for standard applications, featuring Memosens 2.0 technology, 0–14 pH measuring range, and a -15 to 140°C process temperature range. Designed for reliable long-term operation, it is suitable for water, wastewater, chemical and general process measurement applications.

🕑 Lead time: 6-8 weeks
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Reliable pH Measurement for Everyday Process Applications

The Memosens CPS11E is designed for standard pH measurement tasks where stable performance, easy maintenance and reliable diagnostics are important.

As part of the Memosens digital sensor family, it stores calibration data inside the sensor and transfers measurement information digitally to compatible Liquiline transmitters, helping simplify commissioning and maintenance.

Built on Proven Memosens Technology

The CPS11E uses Memosens 2.0 digital technology, providing a secure and contactless connection between sensor and transmitter.

Calibration data, operating hours and sensor information are stored directly in the sensor, allowing quick replacement and reducing the need for repeated manual configuration.

Designed for Water and Industrial Processes

The CPS11E is suitable for a wide range of standard applications, including:


  • Water and wastewater treatment

  • Chemical processing

  • Utilities

  • General industrial process monitoring

Its robust construction allows reliable operation in many common liquid measurement applications.

Stable Measurement with Low Maintenance Requirements

The sensor features a durable glass electrode design and is available with options for different reference systems depending on the application requirements.

The integrated sensor diagnostics help monitor sensor condition and provide information for predictive maintenance.

Flexible Installation Options

The CPS11E is available with different process connection options and cable lengths, allowing integration into various measuring assemblies.

It can be installed using compatible Endress+Hauser assemblies for immersion, flow-through or retractable measurement points.

Key Features


  • Digital pH sensor for standard process applications

  • Memosens 2.0 technology

  • pH measuring range 0 to 14 pH

  • Process temperature range -15 to 140°C

  • Reliable glass electrode technology

  • Digital data storage inside the sensor

  • Predictive maintenance through sensor diagnostics

  • Suitable for water and wastewater applications

  • Suitable for chemical and industrial processes

  • Compatible with Liquiline transmitters

  • Available with different process connections and cable lengths

Typical Applications

Water Treatment

Continuous pH monitoring in drinking water, process water and wastewater treatment systems.

Chemical Processing

Suitable for monitoring pH values in various chemical production and treatment processes.

Utilities

Used for general process water monitoring and supporting stable operation of utility systems.

Industrial Process Control

Suitable for standard industrial applications where reliable pH measurement is required.

Frequently Asked Questions

What is the Endress+Hauser Memosens CPS11E used for?

The CPS11E is a digital pH sensor designed for standard process applications, including water treatment, wastewater and industrial liquid measurement.

What is the measuring range of CPS11E?

The CPS11E supports a pH measuring range of 0 to 14 pH.

What technology does CPS11E use?

The CPS11E uses Memosens 2.0 digital technology, which enables contactless signal transmission and stores calibration information inside the sensor.

What is the maximum process temperature?

The CPS11E supports process temperatures up to 140°C, depending on the selected configuration.

Is CPS11E suitable for wastewater applications?

Yes. The CPS11E is suitable for many water and wastewater measurement applications where reliable pH monitoring is required.

Which transmitter works with CPS11E?

The CPS11E is designed for use with compatible Endress+Hauser Liquiline transmitters.

What are the advantages of Memosens technology?

Memosens technology stores calibration and sensor data digitally, making sensor replacement, commissioning and maintenance easier.

Measuring Principle
Measuring principlePotentiometric
Electrode principleGel compact electrode with PTFE ring junction
Application & Characteristic
ApplicationLong-term monitoring and limit control in processes with stable process conditions; water and wastewater treatment
CharacteristicDigital pH electrode for standard applications in process and environmental technology with dirt-repellent PTFE ring junction and built-in temperature sensor
Measuring Range
Application ApH 1 to 12
Application BpH 0 to 14
Application FpH 0 to 10
Design & Materials
DesignAll shaft lengths with temperature sensor; advanced gel technology
Sensor shaftGlass to suit process
pH membrane glassType A, B, F
Metal leadAg/AgCl
ApertureRing-shaped PTFE junction
O-ringFKM
Process couplingPPS, fibre-glass reinforced
NameplateCeramic metal oxide
Diameter12 mm (0.47 inch)
Shaft length120, 225, 360 and 425 mm (4.72, 8.86, 14.17 and 16.73 inch)
Process Conditions
Process temperatureApplication 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 pressureApplications 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
Sensor & Connection
Temperature sensorNTC 30K
ConnectionInductive, digital connection head with Memosens 2.0 technology
Ingress protectionIP68
Certificates & Approvals
Ex certificationATEX, IECEx, CSA C/US, NEPSI, Japan Ex and INMETRO approvals for use in hazardous areas Zone 0, Zone 1 and Zone 2