radiometer
device for measuring the radiant flux (power) of electromagnetic radiation
Crookes radiometer
device that rotates under influence of light
POLDER
environmental satellite radiometer developed by CNES
Lyman Alpha Radiometer
ultraviolet radiometer on the Proba-2 spacecraft
microwave radiometer
radiometer that measures energy in the one millimetre to meter wavelengths
Infrared interferometer spectrometer and radiometer
device built into the Voyager space probe
Measurements of Pollution in the Troposphere
Canadian scientific instrument aboard NASA's Terra satellite
Advanced Along Track Scanning Radiometer
radiometer instrument on board the European Space Agency (ESA)'s Envisat satellite
spectroradiometer
light measurement tool
Descent Imager/Spectral Radiometer
science instrument on the Huygens probe
Diviner Lunar Radiometer Experiment
multi-channel radiometer on the Lunar Reconnaissance Orbiter
Visible Infrared Imaging Radiometer Suite
spacecraft instrument