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Summary

     
Integrated electrochemical sensors
  
 
manufactured with wafer-scale selective membrane technology on insulated or conductive thin solid surfaces
  
             
  Ion - Sensitive Field-Effect Transistor - MSFET   Amperometric sensor - MAES  
Ion - Sensitive Field-Effect Transistor - MSFET 		 
 

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  Sensor Principle
Capacitive measurement of charged species on insulating surfaces 		  Sensor Principle
Amperometric measurement of oxido-reduction induced current 		   
  Measurement
pH, K+, Mg2+, Ca2+
other Ions
pCO2		   Measurement
pO2, H2O2 , REDOX reaction products
Free chlorine; HOCl
Ionic conductivity 		   
 

Key specifications

  • Typical concentration range
    • H+ : pH1-pH12
    • K+ : 10-7 - 1 mole/l
    • Ca2+ : 10-6 - 1 mole/l
  • Typical sensitivity :
    • 50mV/pH unit
    • 58mV/pK
    • 30mV/pCa
  • Fast response time;
    • 90% signal level : < 1 sec.
  

Key specifications

  • Typical concentration. range
    • O2 : 0.1% - 100% partial pressure
    • HOCl : 1ppb -10 mg/l
  • Sensitivity :
    • O2 : 10nA / torr
    • HOCl: 10 nA / 0.1 mg/l
  • Fast response time;
    • 90% signal level : < 30 sec.
  • Good linearity
  

 


Amperometric sensor - MAES

 
 

Applications

  • Environment control
  • Water quality
  • Chemical process control
  • Food quality control
  • Laboratories
  • Medical
  

Applications

  • Security
  • Water quality
  • Environment control
  • Bioengineering
  • Pharmaceutical industry
  • Food industry
  • Medical
      
 

Microsystem

  • Programmable output signal amplifier
  • Impedance conversion for signal/noise optimization
  • Multi-chemical species measurements
  • Temperature compensation
  • Sensor interchangeability using calibrated microsystem
 


Microsens SA - Rue Jaquet-Droz 1 - 2007 Neuchâtel/Switzerland - Tel. +41 32 720 5161 - Fax +41 32 720 5744 - info@microsens.ch