A new thermal sensor fitted to survey aircraft is set to revolutionise the way local councils tackle energy inefficiency and fuel poverty in Britain’s towns and cities. Part of a new generation thermal mapping system unveiled by aerial survey company Bluesky, the system captures and maps highly accurate measurements of heat-loss from buildings.
The system includes a state-of-the-art thermal survey camera, advanced navigation and positioning system and improved sensor control and user interface. Older systems use instruments originally designed for use in a laboratory or industrial plant environment, but Bluesky’s new sensor has been specifically designed for airborne surveying and provides higher precision results.
Conventional systems require continuous cooling of the camera environment and this can lead to variations in results and subsequent issues during post survey analysis over large geographical areas. The Bluesky ‘microbolometer’ thermal camera can perform nearer to the real ambient temperature around the camera making it more suitable for use in aircraft flying at night.
“We are delighted to be the first to market with this superior thermal mapping system – it is the only fully integrated geospatial thermal infrared system in use in the UK,” commented Rachel Tidmarsh Managing Director of Bluesky International. “It will enable us to significantly improve the accuracy and efficiency of data capture. This will in turn benefit organisations such as Local Authorities and environmental consultants that are trying to reduce carbon emissions through more targeted and therefore effective energy efficiency campaigns.”
As well as being designed to operate under conditions of rapidly changing ambient temperature, the Bluesky sensor is also capable of measuring within the optimal spectral range required to assess the emissivity from building roofs. The sensor has a spectral range of 1.5-14 µm (1µm = 1 millionth of metre), a temperature range of -40ºC to +120ºC and a camera resolution of 1240 x 480 pixels. Combined with an advanced navigation and positioning system that allows geo-referencing of the resulting heat-loss image to a high degree of accuracy, allowing Bluesky to offer an unrivalled thermal mapping service.
“This is just another step in our commitment to capture and deliver the most accurate and up to date property level heat-loss map data,” continued Tidmarsh. “We pride ourselves on our track record and our team of vastly experienced reconnaissance, flight planners and post survey analysts ensured we achieved complete fulfilment of last winters surveys totalling in excess of 2000 sqkm including many towns and districts across the UK.”
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