Biral - Bristol Industrial & Research Associates Ltd

Biral specialises in the design, manufacture and distribution of high quality meteorological sensors for the professional market. Biral manufacturers the VPF and SWS range of Visibility and Present Weather sensors as well as the unique BTD-300 Thunderstorm Detector. Our meteorological products are used in the most demanding applications such as aviation, offshore platforms and wind energy. The Biral name has long been associated with aerosol research and this connection is continued with the development of our Aerosol Optical Tweezers in association with Bristol University. The company was established in 1975 and is in private ownership.

Company details

Business Type:
Industry Type:
Monitoring and Testing - Meteorological Monitoring
Market Focus:
Globally (various continents)
Year Founded:

From our world leading HSS and SWS range of Visibility and Present Weather sensors to our state-of-the-art BTD300 Thunderstorm detector, Biral brings benefits to a wide range of applications including in:

- Offshore helicopter platform operation

- Airport weather and operations

- Road weather monitoring

- Wind turbine aviation

- Marine warning light control

- National weather service monitoring systems and research.

The Biral HSS Visibility and Present Weather sensors provide outstanding levels of accuracy and performance. The unmatched reliability and durability is reflected in their extensive use in critical applications such as marine navigational aids, roadside fog warning and airport RVR systems. The first sensors to use forward scatter in combination with an infra-red LED light source, the HSS range remains at the forefront of visibility and present weather measurement and are the sensor of choice in extreme environments. 

In 2009, Biral launched the SWS range of present weather sensors which are based on the same successful HSS technology but which have been designed for use in RWIS applications, by wind energy producers and for general meteorological data collection.

In 2014, Biral developed a unique standalone lightning detector called the BTD-300,                                        based upon the changes in atmospheric electrostatic field. Designed to meet US Federal Aviation Authority performance requirements for aerodrome lightning detectors, the BTD-300 has a very high detection and provide accurate range estimation up to 45 Nautical Miles (83 km).   

'Our aim is to remain an internationally respected supplier and manufacturer of scientific and industrial measuring instruments, with a reputation for commercial and technical expertise, focused on the needs of our customers.'