| Instrument | Status/
Accuracy | Instrument Description | Measurement Technology | Timeline |
| ABI | Operational | Detects clouds, cloud properties, water vapour, land and sea surface temperatures, dust, aerosols, volcanic ash, fires, total ozone, snow and ice cover, vegetation index. | n/a |  |
| CERES | Operational | Long term measurement of the Earth's radiation budget and atmospheric radiation from the top of the atmosphere to the surface; provision of an accurate and self-consistent cloud and radiation database. | n/a | |
| CLARA | Operational | CLARA is a scientific instrument that will be used to determine the total solar irradiance of the Sun. | n/a | |
| ERM-2 | Operational | Measures Earth radiation gains and losses on regional, zonal and global scales. | n/a | |
| GOME-2 | Operational | Measurement of total column amounts and stratospheric and tropospheric profiles of ozone. Also amounts of H20, NO2, OClO, BrO, SO2 and HCHO. | n/a | |
| SIM-2 | Operational | Solar irradiance monitoring. | n/a | |
| TSIS-1/SIM | Operational +/-0.2 % | Measures solar spectral irradiance in the 0.2 - 2 µm range. | n/a | |
| TSIS-1/TIM | Operational +/-0.035 % | Measurement of total solar irradiance directly traceable to SI units with an absolute accuracy of 0.035% and relative accuracy of 0.002% per year. | n/a | |
| CSAR | Being developed | Primary Standard for Solar radiation, traceable to SI units, provide very high accuracy (goal 0.03% ARA) TSI (Total Solar Irradiance) measurements | n/a | |
| FEI | Being developed | Provide images in a narrow spectral band centered at 10.5µm. | n/a | |
| GXI | Being developed | Detects clouds, cloud properties, water vapour, land and sea surface temperatures, dust, aerosols, volcanic ash, fires, total ozone, snow and ice cover, vegetation index. | n/a | |
| HIS | Being developed | Pushbroom-type dual-prism Imaging Spectrometer with high radiometric accuracy and medium Signal-to-noise Ratio, operating from UV (320 nm) to SWIR (2400 nm) , based on a single MCT Detector/focal plane. The HIS aims at accurate spectral imaging on land and ocean for climatological background radiometric data acquistion and supporting cross-calibration with other stellites/sensors and on PICS/instrumented sites with highest resolution (50 m) | n/a | |
| TSIS-2/SIM | Being developed +/-0.5 % | Measures spectral solar irradiance over three bands ranging from 200 to 2400 nm. | n/a | |
| TSIS-2/TIM | Being developed +/-0.02 % | Measures total solar irradiance over the full spectrum. | n/a | |