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Note:
Record the amount of water collected
from each nozzle in the collection worksheet.
1. Graduated container
Collection Worksheet
Left sprayer
Center sprayer
nozzle
nozzle
Test
ml (fl oz)
1
Test
ml (fl oz)
2
Test
ml (fl oz)
3
8.
Repeat test step
2 times.
9.
Turn off the pump/tank agitation switch.
10.
Calculate the average quantity of water
discharged for each nozzle; use average
discharge formula.
Average Discharge Formula
test 1 + test 2
Formula
+ test 3
Example
475 ml (16.05
center
fl oz) + 507 ml
nozzle—narrow
(17.15 fl oz) + 504
pattern (red)
ml (17.05 fl oz)
•
Right nozzle—record the
average discharge quantity
here:
Figure 40
2. Personal protective
equipment—chemical
resistant gloves
Right sprayer
nozzle
ml (fl oz)
ml (fl oz)
ml (fl oz)
7
for each nozzle an additional
The average spray
=
nozzle discharge in
19.7 seconds
3
=
0.49 L (16.75 fl oz)
3
.
•
Center nozzle—record the
average discharge quantity
here:
•
Left nozzle—record the average discharge
quantity here:
Converting the Time and Collection Results
to Flow Rate
1.
Convert the milliliters (fluid ounce) quantities
that you calculated in step
Sprayer Nozzle Discharge (page 36)
gallons) using the quantity conversion formula.
Note:
1 US gallon = 128 fl oz
Quantity Conversion Formula
g027502
Formula
Example
center
nozzle—narrow
pattern (red)
A.
ml (fl oz)
B.
ml (fl oz)
ml (fl oz)
C.
2.
Calculate the flow rate of each nozzle using the
calculated flow-rate formula.
3.
Calculated Flow-Rate Formula
Formula
Example center
nozzle—narrow
pattern (red)
A.
B.
C.
37
1 L = 1000 ml
Result (X) ml (fl oz)
0.1 L (128 fl oz)
490 ml (16.75 fl oz)
0.1 L (128 fl oz)
Right nozzle—record the
converted collected-water quantity
here:
Center nozzle—record the
converted collected-water quantity
here:
Left nozzle—record the converted
collected-water quantity
here:
Result (X) L (US gallon)
x 60 seconds
19.7 seconds
.49 L (0.13 US gallon)
x 60 seconds
19.7 seconds
Right nozzle—record the calculated flow
rate here:
Center nozzle—record the calculated
flow rate here:
Left nozzle—record the calculated flow
rate here:
.
.
10
of
Testing the
to liters (US
=
(X) L (US gallon)
0.49 L (0.13 US
=
gallon)
.
.
.
(X) L (US
=
gallon)
3.07 L
(0.40 US
=
gallon) per
minute
.
.
.
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