41HARDI
®
NAVIGATOR 550M, 800M, 1000M CENTRIFUGAL OPERATOR'S MANUAL
Calibration For Carriers Other Than Water
Use the following water rate conversion chart to determine the right
conversion factor. When you've determined the new converted GPM or
GPA, you can follow the steps on either the pressure or ounce method
of calibration.
Weight of solution Specifi c Gravity Conversion Factors
7.00 lbs/gal .84 .92
8.00 lbs/gal .96 .98
8.34 lbs/gal-water 1.00 1.00
9.00 lbs/gal 1.08 1.04
10.00 lbs/gal 1.20 1.10
10.65 lbs/gal-28% N 1.28 1.13
11.00 lbs/gal 1.32 1.15
12.00 lbs/gal 1.44 1.20
14.00 lbs/gal 1.68 1.30
Example: 20 GPA of 28% N
Then GPA (solution) x conversion factor = GPA (water)
20 GPA (28% N) x 1.13 = 22.6 GPA (water)
Calibrate for 22.6 GPA of water
For conversion to Imperial gallons per acre, multiply U.S. GPA by .833
For conversion to liters per hectare, multiply U.S. GPA by 9.34
For conversion to liters per acre, multiply U.S. GPA by 3.78
Formula for tractor speed: Distance (in feet) x .682
= MPH
Second
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