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EasyFerm Plus

EasyFerm Plus Arc

The EasyFerm Plus family of pH sensors is designed to withstand demanding applications in the Pharmaceutical and Chemical industries. All family members have the same reference electrolyte Phermlyte, the same type of diaphragm HP Coatramic but different pH glasses. The standard EasyFerm Plus, with its PHI glass, is directed at the BioPharm and Pharmaceutical industries because the glass has an excellent

chemical robustness and provides best results in applications where sterilization either in an autoclave or an SIP is performed frequently. The new versions with the HB glass show a very fast recovery after CIP and SIP cycles leading to a shortened set-up time.

The LEVP (LE = Liquid Earth) versions have a stabilized sensor signal and an extended sensor diagnosis.

The electrolyte of the EasyFerm Plus sensors is pre-pressurized to prevent the diffusion of sample into the sensor. The Everef-F reference cartridge ensures that the reference electrolyte remains free of silver and precipitation of proteins.


Typical Applications

  • Ceramic diaphragm is an improved barrier of the electrode
  • Highly reliable measurements after steam sterilization, autoclavation and CIP cleanings
  • Drift-free measurement
  • Pre-pressurized reference electrolyte ensures a clog-free diaphragm
  • Bioreactors
  • Downstream processes
  • Industrial processes