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Hardi Nozzle Callibration

 
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General Details

Precise, safe, applications in the field demand that the sprayer is effectively calibrated. Calibration must always be done with clean water and before the use of any crop protection product. Follow these three steps to calibrate your sprayer.

Check Driving Speed

1) Half fill the spray tank with water.

2) Mark out 100 m – note time to drive the distance. 3) Driving speed formula

3) Driving Speed Formula

Example: if it takes 50 seconds to drive 100 metres then the spraying speed is 7.2 km/hour.

Select volume rate, nozzle and pressure

1) For easy selection of nozzles and pressure, use the HARDI calibration disc

Volume rate 250 l/ha

Driving speed 7.5 km/h

Nozzle ISO F-04-110

Pressure 2.90 bar

100 m Nozzle flow 1.56 l/min

ALL CALIBRATION FORMULAS

Check nozzle output

1) If actual output is not equal to desired output: Readjust pressure (alternatively: change nozzle or driving speed)

2) If output has increased more than 10% from table value: Change all nozzles

3) Nozzle output formula


https://itunes.apple.com/gb/app/hardi-nozzles/id419320717?mt=8&ign-mpt=uo%3D4

Technical Specification

Hardi

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