1. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS 855 & 802 ppm Galvanic Dissolved Oxygen System CONTROLS

2. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS DISSOLVED OXYGEN – MAKING IT WORK

3. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Accuracy DISSOLVED OXYGEN – MAKING IT WORK

4. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Accuracy Cleaning DISSOLVED OXYGEN – MAKING IT WORK

5. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Accuracy Cleaning Maintenance DISSOLVED OXYGEN – MAKING IT WORK

6. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Accuracy DISSOLVED OXYGEN – MAKING IT WORK

7. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Accuracy Technology Comparison Polarographic vs Fluorescence vs IC Controls Galvanic

8. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Accuracy Technology Comparison Polarographic vs Fluorescence vs IC Controls Galvanic Accuracy Between Calibrations Internal Chemistry of the Sensor

9. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Polarographic vs Fluorescence vs IC Controls Galvanic What's the difference?

10. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Polarographic Technology using Gold Cathode & Silver Anode

11. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Polarographic Applied voltage from the cathode to the anode. Reaction of oxygen at the cathode generates a current. Output can go below zero; a value that does not exist. Therefore, decreased accuracy in calibration and measurement V O2O2 O2O2 O2O2 O2O2 Anode Internal Fill Solution Membrane Cathode

12. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Fluorescence Technology using a Light Source

13. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Fluorescence Light detector responds based on concentration of oxygen in contact with a permeable membrane Oxygen Permeable Fluorescing Sensor Element Fluorescent Light Detector Light Emitter

14. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS IC Controls Galvanic Technology using Gold Cathode & Lead Anode

15. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Galvanic No applied voltage. Oxygen is the fuel for the battery. Therefore, absolute zero and better accuracy. O2O2 O2O2 O2O2 O2O2 Anode Internal Fill Solution Membrane Cathode

16. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Accuracy Technology Comparison Polarographic vs Fluoresence vs IC Controls Galvanic Accuracy Between Calibrations Internal Chemistry of the Sensor

17. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Internal Electrolyte Chemistry for IC Controls Galvanic Cell Cathode O 2 + 2H 2 O + 4e - 4OH - Anode Pb Pb 2+ + 2e - Total Reaction O 2 + 2H 2 O + 2Pb 2Pb(OH) 2

18. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Internal Electrolyte Chemistry The electrolyte used for the IC Controls Model 802 galvanic sensor is potassium hydroxide and the reaction at the anode consumes hydroxide. With the IC Controls technology the hydroxide is consumed at exactly the same rate it is produced at the cathode. Therefore, the electrolyte concentration remains constant and reduces electrode drift. Also, sensor life is extended so membrane replacement is only necessary every 1 to 5 years. SELF REGENERATIVE ELECTROLYTE

19. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS IC Controls Galvanic Sensor Provides better Accuracy Absolute Zero Less Drift Better Stability Less Maintenance

20. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Accuracy Cleaning DISSOLVED OXYGEN – MAKING IT WORK

21. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS For any dissolved oxygen technology, reliable, accurate measurements are only possible if the sensor tip is clean. If the tip is not clean oxygen cannot diffuse through the membrane and false low readings will result. Importance of Cleaning

22. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Self Cleaning Sensor In any application, the more mechanical pieces there are, the greater the number of points of maintenance and repair there are in the system. IC Controls model 802 uses NO mechanical cleaning, therefore, the sensor provides increased reliability and reduced maintenance.

23. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS 802 Side View Self Cleaning is accomplished by using the shearing action of the water to clean the surface of the membrane and to keep particulate from damaging the surface

24. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS 802 Tip Design The tip of the 802 is designed to create shearing action on the membrane tip. The membrane is CONVEX so that it protrudes slightly into the process. Also, the three FLUTES channel the flow across the membrane increasing the shearing action. The combination of the CONVEX shape, the FLUTES, and the sensor MOVEMENT provide superior cleaning action. Flutes Convex Membrane

25. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS

26. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Self Cleaning Action The self cleaning action takes place because of the turbulence in the water and the movement of the sensor. As the 802 moves the shearing action of the water cleans the tip. The greater the turbulence the greater the cleaning action.

27. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS IC Controls Self-Cleaning Provides lower Maintenance No Mechanical Parts Reliable Cleaning Membrane Protection

28. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Accuracy Cleaning Maintenance DISSOLVED OXYGEN – MAKING IT WORK

29. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Recharging the Sensor Over time the sensor internal will deplete and the membrane and fill solution will need replacement. Historically, this was a difficult process with creases being formed in the membrane and air bubbles in the fill solution which cause false high readings. The process could take up to 1 hour to replace a membrane and put a sensor back on line. The Model 802 provides ease of use which includes fast, reliable and simple maintenance.

30. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Membrane Module Tip Retainer Maintenance is made easy with the pre-tensioned membrane cap. This system ensures there are no air bubbles or creases in the membrane cap which will cause false high readings. Recharging is an easy process that allows re-installation in less than 5 minutes. Pre-Tensioned Membrane Cap

31. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS Pre-Tensioned Membrane Cap Provides Ease of Use Fast Membrane Replacement No Air Bubbles or Creases Reliable performance

32. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS IC Controls Dissolved Oxygen Galvanic Technology Self Regenerative Electrolyte Self Cleaning Design Pre-Tensioned Membrane Cap Proven Technology Superior Design Better Results

33. IC Controls 855 & 802 ppm Dissolved Oxygen System pH / ORP Conductivity Dissolved Oxygen Chlorine Standards www.iccontrols.com R1.0 © 2004 IC CONTROLS For more information: Call: 519-941-8161 800-265-9161 Email:sales@iccontrols.comsales@iccontrols.com or www.iccontrols.comwww.iccontrols.com We will be happy to help you directly or put you in contact with your local representative of IC Controls Quality Water Products Model 855 Model 802