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Digital pH sensor
Memosens CPS31E

Memosens CPS31E - Digital pH sensor for pH compensation in disinfection processes ©Endress+Hauser
Memosens CPS31E - Digital pH sensor with extra salt storage for long operating life ©Endress+Hauser
Memosens CPS31E - Digital pH sensor for drinking water and swimming pools, hazardous area version ©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 2.0 glass electrode for application in drinking water and swimming pools

Memosens CPS31E is the expert for pH compensation in disinfection processes. It delivers stable measurement results, ensuring safe swimming pool and drinking water. Thanks to Memosens 2.0 digital technology, CPS31E provides the perfect data basis for predictive maintenance, offers easy operation and more process uptime since it can be calibrated in the laboratory and quickly exchanged on site. The sensor resists moisture and its 3 optional junctions make it suitable for minimum conductivity.

  • Simple products

  • Easy to select, install and operate

Excelencia técnica

Simplicidad

  • Productos estándar

  • Seguros, resistentes y con poco mantenimiento

Excelencia técnica

Simplicidad

  • Productos de alta gama

  • Altamente funcionales y prácticos

Excelencia técnica

Simplicidad

  • Productos especializados

  • Diseñados para aplicaciones exigentes

Excelencia técnica

Simplicidad

Variable

Gamas FLEX Excelencia técnica Simplicidad
  • F
  • L
  • E
  • X

Gama Fundamental

Satisfaga sus necesidades básicas de medición

Excelencia técnica
Simplicidad
  • F
  • L
  • E
  • X

Gama Lean

Maneje los principales procesos fácilmente

Excelencia técnica
Simplicidad
  • F
  • L
  • E
  • X

Gama Extended

Optimice sus procesos con tecnologías innovadoras

Excelencia técnica
Simplicidad
  • F
  • L
  • E
  • X

Gama Xpert

Domine las aplicaciones más exigentes

Excelencia técnica
Simplicidad

Variable

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  • Resumen de especificaciones

    • Rango de medición

      pH 1 to 13

    • Temperatura del proceso

      –15 to 80 °C (5 to 176 °F)

    • Presión de proceso

      0.8 to 4 bar (11.6 to 58 psi) (absolute)

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  • Ventajas

    • Reliable: Ceramic junction ensures reliable measurement at low conductivities. For minimum conductivities, 3 junctions are the best choice.

    • Robust: The optional salt storage provides for extended operating time.

    • Precise: The sensor shows minimum drift...

  • Ámbito de aplicación

    • Drinking water

    • Swimming pool water

    • pH compensation for free chlorine and free bromine measurement

Características y especificaciones

Atrás

Details

  • Measuring principle

    Electrodo de vidrio

  • Aplicación

    • Drinking water

    • Swimming pool water

    • pH compensation during the measurement of free chlorine

  • Característica

    Digital pH electrode for standard applications in drinking
    water and swimming pool water

  • Rango de medición

    pH 1 to 13

  • Principio de medición

    Gel filled reference with one or three ceramic junctions with optional salt storage

  • Diseño

    All shaft lengths with temperature sensor

  • Material

    Sensor shaft: Glass to suit process

    pH membrane: glass Type A

    Metal lead Ag/AgCl

    Open aperture: Ceramic junction

    O-ring: FKM

    Process coupling: PPS fiber-glass reinforced

    Nameplate: Ceramic metal oxide

  • Dimensión

    Diameter: 12 mm (0.47 inch)
    Shaft length: 120 mm (4.70 inch)

  • Temperatura del proceso

    –15 to 80 °C (5 to 176 °F)

  • Presión de proceso

    0.8 to 4 bar (11.6 to 58 psi) (absolute)

  • sensor de temperatura

    NTC 30k

  • Certificación Ex

    With ATEX, IECEx, CSA C/US, NEPSI, Japan Ex and INMETRO approvals for use in
    hazardous areas Zone 0, Zone 1 and Zone 2.

  • Conexión

    Inductive, contactless connection head with Memosens 2.0 technology

  • Protección contra ingreso

    IP68

Documentos / Manuales / Software

Accesorios / Piezas de repuesto

Nr
Order code
Specification
    • Order code 71038228

      Memoclip label Memosens sensor

      for assignment of sensors to measuring loop. 100 sensor clips with printable labels

    • Order code CPY20-

      Technical buffer solution CPY20

      pH quality buffer solution, referenced to primary reference material of PTB and standard reference material of NIST. in DAkkS accredited buffer Laboratory.

    • Order code CPY4-

      KCL-Electrolyte solution CPY4

      For liquid filled electrodes

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