List Of Figures - Siemens QGO21 Series Basic Documentation

Building Technologies Division

11 List of figures

Figure 1: Example General overview ............................................................................ 12
Figure 2: Functioning principle of the measuring cell .................................................... 15
Figure 3: Nernst voltage as a function of the oxygen concentration at a cell temperature
of 700 °C ................................................................................................................ 16
Figure 4: Impact of the cell's temperature on the oxygen value .................................... 17
Figure 5: Nernst voltage as a function of the reference gas .......................................... 18
Figure 6: Mechanical design of the oxygen sensor ....................................................... 19
Figure 7: Mounting position of QGO21 .......................................................................... 20
Figure 8: Connection QGO21 ........................................................................................ 21
Figure 9: Connection diagram ....................................................................................... 22
Figure 10: Dimension QGO21.000Dx7 .......................................................................... 23
Figure 11: Dimension AGO21... .................................................................................... 23
Figure 12: Dimension AGO742870012 ......................................................................... 23
Figure 13: Comparison table for different flue gas analysis devices (in %)! .................. 24
Oxygen Sensor QGO21...
11 List of figures
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CC1P7845en
06.12.2017