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Integration of Spray Quality Information

Integration of Spray Quality Information. by Tim Stuenkel Applications Engineer,. Why Measure Drop Size?. Drift vs. Efficacy Pesticide labeling regulations Provide basic spray quality information to the end user . Drop Size Measurements. Reference tips are acquired and tested

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Integration of Spray Quality Information

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  1. Integration of Spray Quality Information by Tim Stuenkel Applications Engineer,

  2. Why Measure Drop Size? • Drift vs. Efficacy • Pesticide labeling regulations • Provide basic spray quality information to the end user

  3. Drop Size Measurements • Reference tips are acquired and tested periodically • In house laser equipment is used for measurements (Malvern, PMS, PDPA) • Tips are analyzed at various pressures and locations in the spray pattern

  4. PDPA Laser

  5. Droplet Size Calculations • Raw droplet size data is curve fitted • Curve fit data is used to create graphs for each individual tip • Graphs are overlaid on reference template to assign droplet size categories

  6. XC VC C M F VF

  7. TT11002-VP @ 30 psi XC VC C M F VF TT11002-VP @ 60 psi

  8. Droplet Size Categories

  9. XR TeeJet®

  10. Turbo TeeJet®

  11. AI TeeJet®

  12. How is Data Published? • Tabular Drop Size Charts DS37043-19.PDF • Graphical Drop Size Charts DS11825-81.pdf • Droplet Size Category Charts BG201-1-15.pdf

  13. Where is Data Published? • Hard copies available • Catalogs and Buyer’s Guides • Websites

  14. Conclusion • Data is necessary to educate the end user • Droplet size charts are becoming the accepted standard • Drop size data is available in various formats

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