CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- ScaRaB
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Full Name
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Scanner for Earth's Radiation Budget
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Status
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No longer operational
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Instrument Agencies
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CNES
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Maturity
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Instrument Type
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Earth radiation budget radiometers 
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Geometry
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Cross-track scanning
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Instrument Technology
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Broad-band radiometer
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Sampling
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Imaging
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Data Access
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Constrained Access
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Data Format
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Measurements and Applications
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Measures top-of-atmosphere shortwave radiation (0.2 - 4.0 µm) and total radiation (0.2 - 50 µm). Two additional narrow-band channels (0.5 - 0.7 µm and 11 - 12 µm) allow cloud detection and scene identification.
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Resolution Summary
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40 km
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Swath Summary
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2200 km
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Accuracy Summary
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Absolute: ± 2.5 W/m2/sr, Relative: ± 0.7 W/m2/sr
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Waveband Summary
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VIS window channel: 0.5 - 0.7 µm, Solar channel UV - SWIR: 0.2 - 4 µm, Total channel UV - FIR: 0.2 - 50 µm, Thermal window channel: 10.5 - 12.5 µm
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| UV (~0.01 µm - ~0.40 µm) |
| VIS (~0.40 µm - ~0.75 µm) |
| TIR (~6.0 µm - ~15.0 µm) |
| FIR (~15.0 µm - ~0.1 cm) |
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Instrument Measurements
Measurements Overview
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Instrument Missions
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