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Digital pH sensor
Memosens CPS91E

Memosens CPS91E - Digital pH sensor for chemical processes, paper or paint production ©Endress+Hauser
Memosens CPS91E - Digital pH sensor for dispersions, emulsions, precipitations, hazardous areas ©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 pH electrode for heavily soiled media in chemical processes, paper or paint production

Memosens CPS91E is equipped with Memosens 2.0 digital technology, offering enhanced data storage for predictive maintenance and IIoT. The sensor features an open aperture that prevents fouling and ensures the most reliable measurement in fibrous media or media with a high content of suspended solids such as dispersions, precipitations or emulsions. Memosens CPS91E is completely resistant to moisture and can be pre-calibrated in the lab which facilitates operation and improves process integrity.

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  • Overzicht specificaties

    • Measurement range

      1 to 14 pH

    • Process temperature

      0 to 110 °C (32 to 230 °F)

    • Process pressure

      0.8 to 14 bar (11.6 to 203 psi) absolute

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  • Voordelen

    • Reliable measurement in heavily soiled media: Open aperture cannot be blocked by fibres or suspended solids.

    • Not affected by fluctuations in pressure and temperature: Thanks to open aperture no diffusion potential can build up at the junction.

    • ...

  • Toepassingsgebied

    • Chemical processes

    • Pulp and paper industry

    • Contaminated media and suspended solids
      - Dispersions
      - Precipitations
      - Emulsions

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

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Details

  • Meetprincipe

    Potentiometric

  • Application

    • Chemical processes

    • Pulp and paper industry

    • Flue gas cleaning

    • Contaminated media:

    • Solids

    • Emulsions

    • Precipitation reactions

  • Characteristic

    Digital pH electrodes with open aperture for contaminated media and integrated temperature sensor

  • Measurement range

    1 to 14 pH

  • Measuring principle

    Gel compact electrode wit open aperture and double gel reference

  • Design

    All shaft lengths with temperature sensor
    Advanced gel technology

  • Material

    Sensor shaft: Glass to suit process

    pH membrane glass:Type B

    Metal lead: Ag/AgCl

    O-ring: FKM

    Process coupling: PPS fiber-glass reinforced

    Nameplate: Ceramic metal oxide

  • Dimension

    Diameter: 12 mm (0.47 inch)
    Shaft lengths: 120, 225, 360 and 425 mm
    (4.72, 8.86, 14.17 and 16.73 inch)

  • Process temperature

    0 to 110 °C (32 to 230 °F)

  • Process pressure

    0.8 to 14 bar (11.6 to 203 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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