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Observator 100 years

BTD-200 Lightning Warning System

The BTD-200 Lightning Warning System is a complete detection and warning system which has been developed from the Biral range of professional, aviation-grade lightning detection systems. It reliably detects the local presence of all forms of lightning out to a range of 35km (22 miles) from the sensor.

The BTD-200 has been specifically designed for land applications, such as sporting and leisure facilities, industrial sites, agriculture, infrastructures, etc. However, there are many applications where the ability to reliably warn of the presence of thunderstorms can increase both safety and productivity. For example: the leisure industry must consider and manage the risks posed by thunderstorms to both customers and staff at outdoor events whether they are golf courses, sports stadia, concerts or theme parks. And in case of, for example industrial sites, reliable thunderstorm detection make it possible to take the appropriate safety precautions in a timely manner and only when necessary. Once the storm threat has passed, normal operations can be resumed quickly and safely, so protecting both life and revenues.


  • Complete, out-of-the-box warning system with minimal installation (power and data cables available separately)
  • Fully automatic alarm triggering
  • Warns of the most dangerous (overhead) lightning risk even before the first lightning strike
  • Advanced, automatic self-test to ensure system operation
  • Accurate 35km (22miles) detection range
  • Detects cloud-to-ground, intra-cloud and cloud-to-cloud lightning
  • Detects charged precipitation and strong atmospheric electric fields
  • Compliance with EN50536:2011+/A1:2012 for a class 1 detector
  • Performs in accordance with IEC62793 for a class A detector

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