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Knick - SE 557

Knick – SE 557 Memosens pH Sensor

Product Description

Knick – SE 557 Memosens pH Sensor

For special requirements and high precision measurements with refillable liquid electrolyte, digital, with Memosens technology. Elimination of typical junction problems resulting in high measurement accuracy in ultrapure water as well as in heavily polluted media and high temperatures, integrated, refillable liquid electrolyte reservoir.


  • Boiler feed water
  • Water for injection (WFI)
  • Semiconductor production
  • Media containing proteins or sulfides


  • Perfect galvanic isolation thanks to Memosens technology
  • No influence of humidity in the connector
  • Precalibration in the lab
  • Digital data transfer