BIRAL

Bristol Industrial & Research Associates Ltd (Biral) designs, manufactures and distributes high quality meteorological sensors for professional markets, including aviation, offshore platforms and wind energy.


  • Warns of overhead lightning risk even before the first lightning discharge
  • Detects cloud-to-ground and as well as weaker but more common cloud-to-cloud lightning
  • Detects charged precipitation
  • Meets FAA performance requirements for aerodrome use
  • Provides information for enhanced CAP437 reporting of thunderstorms
  • Developed for marine applications both on and offshore
  • Certified for marine operation for salt spray, vibration and EMC
  • Meets EN50536:2011+A1:2012 requirments for a Class 1 detector
  • Meets IEC 62793 performance requirements for a Class A detector


Technical Datasheet
  • Warns of overhead lightning risk even before the first lightning discharge
  • Detects cloud-to-cloud as well as weaker but more common cloud-to-ground lightning
  • Observes charged precipitation
  • Meets FAA performance requirements for aerodrome use
  • Meets EN50536:2011+A1:2012 requirements for a Class 1 detector
  • Meets IEC 62793 performance requirements for a Class A detector


Technical Datasheet
  • Complete, out-of-the-box warning system with minimal installation.
  • Remote access via an internet connection to view the status and warnings  
  • 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    
  • Professional Lightning Detector; 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


Technical Datasheet
  • 10m to 99.99km measurement range (other ranges available)
  • Instantaneous and averaged visibility outputs
  • Transmissometer equivalent
  • EXCO output (TEXCO) 39 WMO 4680 present weather codes
  • Compact forward scatter design
  • Hood heating for use in extreme environments
  • Window heating and contamination monitoring
  • Serial data output (RS232, RS422 or RS485)
  • Comprehensive self-test capabilities


Technical Datasheet
  • 47 WMO Table 4680 present weather codes
  • Reports freezing precipitation
  • Designed for aviation, research and general met use
  • Reliable measurement in all weather conditions
  • Highly corrosion resistant hard coat anodised finish
  • Window contamination monitoring and compensation
  • Unaffected by obstacle warning lights
  • Easy integration of Biral ALS-2 Ambient Light Sensor
  • DC powered
  • 10m to 99.99km measurement range

Technical Datasheet