Campbell Scientific Sentek TriSCAN® Manual v 1.2a - Manual (Page 6)

TriSCAN Manual Version 1.2a
Copyright © 1991 – 2004 Sentek Pty Ltd All rights reserved Page i
List of Figures
Figure 1. Cut-away view of the TriSCAN probe ..............................................................................................................................5
Figure 2. Sensor output .........................................................................................................................................................................7
Figure 3. Example of sensor address 5.............................................................................................................................................11
Figure 4. Sensor addressing positions ..............................................................................................................................................11
Figure 5. Example Water DU test results.........................................................................................................................................25
Figure 6. Example of EC distribution uniformity in a potato field..............................................................................................26
Figure 7: Example of localized salt accumulation in furrow irrigation (from Ayars & Westcott)........................................27
Figure 8: Field Corre lation: Volumetric Ion Content vs. ECe .....................................................................................................36
Figure 9. Sensor response to fertigation...........................................................................................................................................37
Figure 10: Salinity response to incremental applications of fertilizer to a sand colunn ..........................................................38
Figure 11. Soil Water and Salinity Graph........................................................................................................................................39
Figure 12. Tracking movement of salts............................................................................................................................................40