Tophit CPS491D

Tophit CPS491D

Memosens ISFET electrode for highly turbid media in chemical processes, paper or paint production

Tophit CPS491D is the digital specialist for heavily soiled or fibrous media, suspensions, emulsions, or precipitations. Its unbreakable shaft ensures a long operating life while the open aperture guarantees reliable measurement under harsh process conditions. Thanks to Memosens digital technology, CPS491D combines maximum process and data integrity with simple operation. It resists corrosion and moisture, enables lab calibration and facilitates predictive maintenance.


  • Resistant to breaking or cracking
  • Application possible in heavily soiled media
  • Application possible at low temperatures
  • Longer calibration intervals than glass electrodes
  • Maximum process safety through non-contact inductive signal transmission
  • Easy handling due to storage of sensor-specific data

Field of application

  • Process applications with:
    - Quickly changing pH values
    - Alternating temperatures and pressures
  • Water purification and wastewater
  • Media with high dirt loads:
    - Solids
    - Emulsions
    - Precipitation processes

With ATEX, FM, and CSA approval for application in hazardous areas.

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