Calibration chart for gravity flow equipment
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Calibration Chart for Gravity Flow Equipment
Vehicle or spreader number: Date:
Material Type: Calibrated by
A B C D E
Speed Lever position or gate setting Lbs. Material recovered in 10 feet Spread width in feet Square feet covered with material (B x 10) Application rate in lbs./1000 ft2 (1000/C x A) Application rate in lbs./lane mile (12’ width) (D x 63.4)