To ensure that sprayers are applying the correct rate of spray evenly through all nozzles regular checks should be made on calibrattion and patternation.

Hypro offer equipment to do this on farm.

Nozzle pressure testing kits

Instant calibrator gives instant accurate flow rate readings in litres per minute allowing adjustment of the pressure until the correct flow rate is obtained.

Portable patternator to check evenness across the boom. Spray into the channels then stand it up to measure spray distribution and highlight any variation in nozzle output or distribution.

Sprayer testing and monitoring equipment (pdf)