ASD-FR
Analytical Spectral Devices Full Range Spectroradiometer

The Analytical Spectral Device Full Range (ASD-FR) is a ground-based passive spectroradiometer made by Malvern PANalytical. It measures reflectance, transmittance, radiance, and irradiance spectra of vegetation, soils, rocks, and bodies of water. It operates across the entire solar irradiance spectrum (350-2500 nm). It has a spectral resolution of 3 nm in the visible and near-infrared (VNIR) region and 8 nm in the shortwave infrared (SWIR). ASD-FR is used for collecting ground truth data, geology research, plant physiology, ecology studies, and other atmospheric remote sensing applications.