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Calibration Principles

Calibration Principles. Calibrating a Sprayer. Understand variables Set variables Trial application with water Determine output Adjust Figure tank mix. Variables. Pressure Nozzle orifice size Travel speed Nozzle spacing. GPA x MPH X W (in.) 5940. GPM =. GPM — nozzle output

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Calibration Principles

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  1. Calibration Principles

  2. Calibrating a Sprayer • Understand variables • Set variables • Trial application with water • Determine output • Adjust • Figure tank mix

  3. Variables • Pressure • Nozzle orifice size • Travel speed • Nozzle spacing

  4. GPA x MPH X W (in.)5940 GPM = • GPM — nozzle output 1. Pressure 2. Nozzle orifice size • GPA — spray volume • MPH — travel speed • W — nozzle spacing

  5. GPM = GPA x MPH X W (in.)5940

  6. GPM = 40 GPA x MPH X W (in.)5940

  7. GPM = 40 GPA x 3 MPH X 10 W (in.)5940 GPM = .20 for one nozzle

  8. Nozzle Choice Factors GPM pressure fan angle / boom height

  9. Tip No. Pressure GPM 20 .14 25 .16 8002 30 .17 40 .20 50 .23 20 .21 25 .24 30 .26 40 .30 8003

  10. 8002

  11. Major Adjustment Nozzle orifice size Minor Adjustment Pressure travel speed

  12. You are trying to control dallisgrass in a bermudagrass turf and need to apply MSMA at a rate of 3 lbs. per acre. How much Daconate do you need to add to each tankful of spray mix? Assume you are using a 200 gal. Sprayer that applies 40 gals. per acre. (Daconate contains 6 lbs. MSMA per gallon).

  13. You are trying to control dallisgrass in a bermudagrass turf and need to apply MSMA at a rate of 3 lbs. per acre. How much Daconate do you need to add to each tankful of spray mix? Assume you are using a 200 gal. Sprayer that applies 40 gals. per acre. (Daconate contains 6 lbs. MSMA per gallon). 200 gals. / tank 40 gals. / acre = 5 acres / tank

  14. You are trying to control dallisgrass in a bermudagrass turf and need to apply MSMA at a rate of 3 lbs. per acre. How much Daconate do you need to add to each tankful of spray mix? Assume you are using a 200 gal. Sprayer that applies 40 gals. per acre. (Daconate contains 6 lbs. MSMA per gallon). 200 gals. / tank 40 gals. / acre = 5 acres / tank 5 acres/tank x 3 lbs. MSMA/A = 15 lbs. MSMA/tank 15 lbs. MSMA/tank 6 lbs. MSMA/gal. of Daconate 2.5 lbs. of Daconate/tank =

  15. You are trying to control dallisgrass in a bermudagrass turf and need to apply MSMA at a rate of 3 lbs. per acre. How much Daconate do you need to add to each tankful of spray mix? Assume you are using a 200 gal. Sprayer that applies 40 gals. per acre. (Daconate contains 6 lbs. MSMA per gallon). 200 gals. / tank 40 gals. / acre = 5 acres / tank 5 acres/tank x 3 lbs. MSMA/A = 15 lbs. MSMA/tank

  16. How much Barricade 65 WG do you add to a 150 gallon sprayer to apply 1.5 lbs. product per acre? The sprayer was calibrated to apply 25 gallons water per acre.

  17. How much Barricade 65 WG do you add to a 150 gallon sprayer to apply 1.5 lbs. product per acre? The sprayer was calibrated to apply 25 gallons water per acre. 150 gals. / tank 25 gals. / acre = 6 acres / tank

  18. How much Barricade 65 WG do you add to a 150 gallon sprayer to apply 1.5 lbs. product per acre? The sprayer was calibrated to apply 25 gallons water per acre. 150 gals. / tank 25 gals. / acre = 6 acres / tank 6 acres/tank x 1.5 lbs. Barricade 65 WG/acre = 9 lbs. Barricade 65 WG/acre

  19. You have had a severe problem with crabgrass in the past years and this year you decide to treat your fairways (30 acres) with the preemergent herbicide, Pre-M 60 DG at a rate of 3 lbs. of active ingredient per acre. Your 100 gal. capacity sprayer is calibrated to put out 25 gpa. How much Pre-M 60 DG do you add to each tankful of spray mix?

  20. You have had a severe problem with crabgrass in the past years and this year you decide to treat your fairways (30 acres) with the preemergent herbicide, Pre-M 60 DG at a rate of 3 lbs. of active ingredient per acre. Your 100 gal. capacity sprayer is calibrated to put out 25 gpa. How much Pre-M 60 DG do you add to each tankful of spray mix? 100 gals. / tank 25 gals. / acre = 4 acres / tank

  21. You have had a severe problem with crabgrass in the past years and this year you decide to treat your fairways (30 acres) with the preemergent herbicide, Pre-M 60 DG at a rate of 3 lbs. of active ingredient per acre. Your 100 gal. capacity sprayer is calibrated to put out 25 gpa. How much Pre-M 60 DG do you add to each tankful of spray mix? 100 gals. / tank 25 gals. / acre = 4 acres / tank 4 acres/tank x 3 lbs. a.i./A = 12 lbs. a.i./tank

  22. You have had a severe problem with crabgrass in the past years and this year you decide to treat your fairways (30 acres) with the preemergent herbicide, Pre-M 60 DG at a rate of 3 lbs. of active ingredient per acre. Your 100 gal. capacity sprayer is calibrated to put out 25 gpa. How much Pre-M 60 DG do you add to each tankful of spray mix? 100 gals. / tank 25 gals. / acre = 4 acres / tank 4 acres/tank x 3 lbs. a.i./A = 12 lbs. a.i./tank 12 lbs. a.i./tank 0.6 lbs. a.i./1 lb Pre-M 60 DG 20 lbs. Pre-M 60 DG/tank =

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