HACH LANGE 9185sc User Manual

HACH LANGE 9185sc User Manual Manual pdf 8 page image

6General Information2.2 General Sensor InformationThe system consists of a controller with an integrated display, and a sensor (Figure 2).The choice can be made to use this instrument with the specifications and processes ofthe 9184sc, 9185sc, or 9187sc sensor. This is determined by selecting the parameterduring the initial sensor setup and the type of sensor being used. See 4.3 Sensor Setupon page 19.2.3 Theory of OperationRefer to the following Appendices.• Appendix A 9184sc Theory of Operation on page 37• Appendix B 9185sc Theory of Operation on page 39• Appendix C 9187sc Theory of Operation on page 41Figure 1 Sensor Cell Operation*1. Membrane 7. Electrolyte2. Membrane Holder 8. Probe Body3. Anode 9. Cathode4. Electrolyte Filling Plug11 A small hole exists in the plug to allow the instrument to maintain a consistent pressure regardless of changes in atmosphericpressure.10. Membrane/Interface Sample5. Electrolyte Filling Hole 11. Sample6. Assembled Electrode*See Replacement Parts and Accessories on page 31.