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Digital pH sensor Memosens CPS91E

Brand: Endress+Hauser Group Services AG

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.Features
  • 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.
  • Stabilized gel filling allows for low maintenance and a long sensor lifetime.
  • Memosens 2.0 offers extended storage of calibration and process data, enabling better trend identification and providing a future-proof basis for predictive maintenance and enhanced IIoT services.
  • Non-contact, inductive signal transmission eliminates disturbances caused by moisture or corrosion, ensuring highest process safety.
  • Lab calibration and quick sensor exchange in the process maximize process uptime and reduce operating costs.

Specifications

Measuring principle

  • 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

Measuring range

  • 0 to 14 pH

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

Ingress protection

  • IP68

  • Chemical Processes
  • Pulp and Paper
  • Contaminated Media & Suspended Solids
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