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Safety, time registration… an appropriate solution for every go-kart track! De Haardt specialises in safety systems for go-kart tracks. We also supply a complete time registration system. See below for a full summary of all available products.


Xtra.Remote Control

Lightweight and user-friendly remote control for your track personnel

  • Monitor the speed of one go-kart, a particular group of go-karts or all go-karts at the same time
  • Operate the race lamps and/or other devices in the Xtra.series
  • Assign go-kart numbers and adapt customer-specific settings


Xtra.Mini Remote Control

An additional mini remote control for your track personnel

  • Monitor the speed of all go-karts
  • Possibility to operate the race lamps


Xtra.CDI Shutdown Transponder

This transponder has been designed for petrol-driven go-karts

  • For petrol engines in the range of GX120 to GX 390
  • Communicates with the Xtra.(Mini) Remote control
  • Checks the speeds of the go-karts


Xtra.EV Shutdown Transponder

This transponder was designed for electric go-karts

  • For all types of motor controllers
  • Communicates with the mini or regular remote control
  • Checks the speeds of the go-karts


Xtra.Range Extender

A range extender can be used to obtain the full range on your go-kart track

  • Increase the range of the products in the Xtra.series by copying messages
  • Ready to use, installation not necessary
  • Can also be used as PC interface/access port



With an Xtra.Beacon, you can divide your track into sectors

  • Marks specific sectors using electromagnetic loops
  • Every loop has its own ID and/or function, which is picked up by the Xtra.Sensor



The Xtra.Sensor must be used in combination with one of the available transponders - Detects the loops of the Xtra.Beacon - Measure the lap time when the go-kart passes the loop - Also includes functionalities for sector protection


Xtra.Timing Host

An Xtra.Timing Host organises the communication between the Xtra.sensors and transponders on the go-kart and the software on your computer.

  • Receives the lap times from every Xtra.Sensor linked to a shutdown transponder, as soon as it passes the loop of an Xtra.Beacon
  • Communicates the lap and/or split times to the PC Software through the Xtra.Timing Host