APPENDIX
C
P/N 016-0171-584 Rev. D 89
APPE NDIX C
CALIBRATION VALUES
SECTION WIDTHS
Use the following formulas to help calculate the section widths.
Calculate the section width with the formula:
Where T = the number of Tips in each section, S = the Spacing between tips, and SW = the Section Width.
FOR EXAMPLE:
20 tips in a section with spacing of 40 inches [50.8 cm] would yield:
or a Section Width of 800 inches [2032 cm] (approximately 67 feet [20 m]). Enter 800 [2032] as the width for
this section.
TARGET RATE CALIBRATION
The following information must be known in order to determine which spray nozzles to use with the sprayer:
• Nominal Application Pressure_________ PSI [kpa]
• Target Application Rate_________ GPA [lit/ha]
• Target Speed_________ MPH [km/h]
• Nozzle Spacing_________ inches [cm]
From this information, calculate the volume per minute per nozzle as follows:
NVPM = Nozzle Volume per Minute (gallons/acre [lit/ha]), Rate = Target Application Rate, Speed = Target Speed
of Application, and NS = Nozzle Spacing.
NVPM
Rate Speed× NS×
5 940 60 000,[],
--------------------------------------------------
=
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