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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.

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  • Overzicht specificaties

    • Measurement range

      pH 1 to 13

    • Process temperature

      –15 to 80 °C (5 to 176 °F)

    • Process pressure

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

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Individuele configuratie

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  • Voordelen

    • 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...

  • Toepassingsgebied

    • Drinking water

    • Swimming pool water

    • pH compensation for free chlorine and free bromine measurement

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Details

  • Meetprincipe

    Potentiometric

  • Application

    • Drinking water

    • Swimming pool water

    • pH compensation during the measurement of free chlorine

  • Characteristic

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

  • Measurement range

    pH 1 to 13

  • Measuring principle

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

  • Design

    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

  • Dimension

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

  • Process temperature

    –15 to 80 °C (5 to 176 °F)

  • Process pressure

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

  • Temperature sensor

    NTC 30k

  • Ex certification

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

  • Connection

    Inductive, contactless connection head with Memosens 2.0 technology

  • Ingres protection

    IP68

Documenten / handleidingen / software

Accessoires / Spare parts

Nr
Order code
Specification
    • Order code 71038228

      Memoclip label Memosens sensor

      Voor het toewijzen van sensoren aan meetkringen: - 100 plastic sensorclips met beschrijfbare labels - 2 labelbladen met 240 labels elk - autoklaveerbaar

    • 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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