SE 555 pH Sensor MEMO SENS

The SE 555 digital pH sensor comes with a special pH glass with high impedance for high-temperature applications and a low alkali error. The sensor is CIP- and SIP-capable. The silver ion trap prevents silver sulfide precipitation and junction fouling in media containing sulfides. This makes the sensor ideal for routine applications in food processing and biotechnology. Additionally, Memosens technology offers all well-known advantages concerning the operation and sensor diagnostics.


  • Gel electrolyte, pressurized
  • Ceramic junction
  • Silver ion trap
  • Integrated temperature detector
  • pH glass with high impedance for high-temperature applications, low alkali error
  • CIP/SIP-capable, safe sterilization with temperature monitoring
  • Also available as a version without paint-wetting impairment substances (PWIS-free)
  • Perfect galvanic isolation thanks to Memosens technology
  • No influence of humidity in the connector
  • Pre calibration in the lab
  • Digital data transfer
  • Integrated sensor diagnostics
pH : 0 … 14
Temperature : 0 … +135 °C
Pressure, relative : -1 … 6 bar
Reference system : Ag/AgCl with silver ion trap
Electrolyte : Pre-pressurized gel electrolyte


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