BackForwardInstrument:  SREM-particles 

Instrument details
Acronym SREM-particles
Full name Standard Radiation Environment Monitor - particles
Purpose Space weather - Observation of energetic electrons, protons and heavy ions
Short description Package of units: 3 particle detectors for the spectroscopy of directional electrons (energy range 0.3-6 MeV) and protons (energy range 8-300 MeV). Also, detection of heavy ions and cosmic rays
Background Major part of the Standard Radiation Environment Monitor (SREM), complemented by a subsystem for the total dose accumulated on the platform
Scanning Technique N/A (in-situ measurement in the platform environment)
Resolution N/A
Coverage / Cycle N/A
Mass 2.5 kg Power Data Rate


Providing Agency ESA
Instrument Maturity Flown on an R&D satellite
Utilization Period: 2002 to 2014-09-15
Last update: 2017-06-05
Detailed characteristics
Satellites this instrument is flying on

Note: a red tag indicates satellites no longer operational, a green tag indicates operational satellites, a blue tag indicates future satellites

Instrument classification
  • Solar and space environment monitors
  • Energetic particle spectrometer
WIGOS Subcomponents No WIGOS subcomponents have been defined.
Mission objectives
Primary mission objectives
  • Electron differential directional flux
  • Proton differential directional flux
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Tentative Evaluation of Measurements

The following list indicates which measurements can typically be retrieved from this category of instrument. To see a full Gap Analysis by Variable, click on the respective variable.

Note: table can be sorted by clicking on the column headers
VariableRelevance for measuring this variableOperational limitationsExplanation
Electron differential directional flux2 - very highNo specific limitation.Magnetosphere, medium and high energy (over 40 to over 400 keV)
Proton differential directional flux2 - very highNo specific limitation.Magnetosphere, high energy (over 1000 keV)