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"NORAC offers a superior product It's faster, it's accurate and it maintains boom height, making my life easier in the sprayer." - Warren Stevenson

NORAC’s Spray Height Control Systems use ultrasonic sensors mounted on the
left, right and center sections to automatically maintain a preset height
of the entire boom above the ground or crop.


The UC4.5™ is NORAC's entry level spray height control system. 


NORAC's UC4.5™ is a two sensor system that may be upgraded by adding an ultrasonic sensor to the center section. Standard kits provide automatic control of sprayer boom wings and main lift control is sold separately. UC4.5™ system is NORAC's low-cost stand-alone Boom Height Control System. 

The UC4.5™ System offers:

  • An independent and stand-alone system.
  • The same user interface and menu structure as UC4+™.
  • Quick and easy set-up.



The UC5™ Boom Height Control System is ISOBUS 11783 certified and can be operated through any Virtual Terminal including the Pulse™, Topcon X30 and X25 displays. The UC5™ system is the most advanced boom height control system offered on the market today.

The UC5™ System offers:

  • New functionality.
  • User friendly diagnostics.
  • Integration with existing control electronics OR a compact stand-alone display.