Measurements and Applications
Solar irradiance monitoring.
Full Name
Solar Spectral Irradiance Monitor
Status
Operational
Instrument Agencies
Maturity
Instrument Type
Earth radiation budget radiometers 
Geometry
Instrument Technology
Solar irradiance monitor
Sampling
Accuracy
3% from 165 to 240 nm and 2% from 240 to 1650 nm.
Waveband
165-1650nm: split in three bands: 165-320 nm (resolution 1 nm), 285-700 nm (resolution 1 nm) and 650-1650 nm (resolution 8 nm)
| UV (~0.01 µm - ~0.40 µm) |
| VIS (~0.40 µm - ~0.75 µm) |
| NIR (~0.75 µm - ~1.3 µm) |
| SWIR (~1.3 µm - ~3.0 µm) |
FY-3E - FY-3E Polar-orbiting Meteorological Satellite (2021 - 2026) |
FY-3J - FY-3J Polar-orbiting Meteorological Satellite (2026 - 2031) |