12
Dead-Band Digit Allowable difference between target and actual application rate,
where rate correction is not performed.
Range: 1 to 9 1 = 1%
9 = 9%
5. CALCULATING "PROD 1 AND PROD 2 CAL"
1) Determine the target application rate at which the product should be sprayed for the PROD 1
and PROD 2 CAL. Write down these calibration numbers for future reference when program-
ming the Console. Consult with a Raven Dealer to ensure your spray nozzles are capable of
applying at this target rate.
Selecting Spray Nozzles:
To determine correct spray nozzles provide the following information:
1) Nominal Application Pressure PSI [kPa] {PSI}
2) Target Application Rate GPA [lit/ha] {GPK)
3) Target Speed MPH [km/ha] {MPH}
4) Nozzle Spacing inches [centimeters] {inches}
From this information calculate the volume per minute per nozzle as follows:
GPM = GPA {GPK} X MPH {MPH} X inches {inches}
5,940 {137}
lit/min = lit/ha x km/h x cm
60,000
Use GPM [lit/min] and pressure to select appropriate tip from tip chart.
EXAMPLE: 1) Application Pressure 30 PSI [200 kPa] {30 PSI}
2) Target Application Rate 20 GPA [200 lit/ha] {.46 GPK}
3) Target Speed 5.2 MPH [8.4 KM/H] {5.2 MPH}
4) Nozzle Spacing 20 inches [50 cm] {20 inches}
US (ENGLISH UNITS) GPM = 20 GPA X 5.2 MPH X 20 inches = 0.35
5,940
SI (METRIC UNITS) [lit/min] = 200 lit/ha X 8.4 km/h X 50 cm = 1.40
6,000
TU (TURF UNITS) GPM = .46 GPK X 5.2 MPH X 20 inches = 0.35
137
Using GPM .35 and pressure 30 select tip number XR8004 from the chart shown as Figure 8,
since it comes closest to providing the desired output.
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