Master Stockman Tools: Sprayer Calibration


1/128 Sprayer Calibration
Calibration Tool

Step 1 Measure an area equal to 1/128 of an acre - 340 sq ft. (18.5x18.5 or 10x34)
Step 2 Measure the time it takes to spray the measured area
Step 3 Spray into a container for the same amount of time. Measure the water collected in ounces

Your sprayer is spraying at a rate of		gallons per acre

Read the label how many quarts of herbicide should be applied per acre
In a hand sprayer you will need to ad		ounces per gallon of water
You will be able to spray an area of		square feet